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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/newkirk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-no-stdlib-2.0.4/src/allocated_memory/index_macro.rs`."><title>index_macro.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="alloc_no_stdlib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">alloc_no_stdlib/allocated_memory/</div>index_macro.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="attr">#[macro_export]
<a href=#2 id=2 data-nosnippet>2</a></span><span class="macro">macro_rules!</span> define_index_ops_mut {
<a href=#3 id=3 data-nosnippet>3</a> (<span class="macro-nonterminal">$T</span>:ident, <span class="macro-nonterminal">$MemoryType</span>:ty) =&gt; {
<a href=#4 id=4 data-nosnippet>4</a> <span class="kw">impl</span>&lt;<span class="macro-nonterminal">$T</span>&gt; ::core::ops::Index&lt;usize&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#5 id=5 data-nosnippet>5</a> </span>{
<a href=#6 id=6 data-nosnippet>6</a> <span class="kw">type </span>Output = T;
<a href=#7 id=7 data-nosnippet>7</a>
<a href=#8 id=8 data-nosnippet>8</a> <span class="attr">#[inline]
<a href=#9 id=9 data-nosnippet>9</a> </span><span class="kw">fn </span>index(<span class="kw-2">&amp;</span><span class="self">self</span>, index: usize) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Output {
<a href=#10 id=10 data-nosnippet>10</a> ::core::ops::Index::index(<span class="kw-2">&amp;**</span><span class="self">self</span>, index)
<a href=#11 id=11 data-nosnippet>11</a> }
<a href=#12 id=12 data-nosnippet>12</a> }
<a href=#13 id=13 data-nosnippet>13</a>
<a href=#14 id=14 data-nosnippet>14</a> <span class="kw">impl</span>&lt;<span class="macro-nonterminal">$T</span>&gt; ::core::ops::IndexMut&lt;usize&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#15 id=15 data-nosnippet>15</a> </span>{
<a href=#16 id=16 data-nosnippet>16</a> <span class="attr">#[inline]
<a href=#17 id=17 data-nosnippet>17</a> </span><span class="kw">fn </span>index_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>, index: usize) -&gt; <span class="kw-2">&amp;mut </span><span class="self">Self</span>::Output {
<a href=#18 id=18 data-nosnippet>18</a> ::core::ops::IndexMut::index_mut(<span class="kw-2">&amp;mut **</span><span class="self">self</span>, index)
<a href=#19 id=19 data-nosnippet>19</a> }
<a href=#20 id=20 data-nosnippet>20</a> }
<a href=#21 id=21 data-nosnippet>21</a>
<a href=#22 id=22 data-nosnippet>22</a>
<a href=#23 id=23 data-nosnippet>23</a> <span class="kw">impl</span>&lt;<span class="macro-nonterminal">$T</span>&gt; ::core::ops::Index&lt;::core::ops::Range&lt;usize&gt;&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#24 id=24 data-nosnippet>24</a> </span>{
<a href=#25 id=25 data-nosnippet>25</a> <span class="kw">type </span>Output = [T];
<a href=#26 id=26 data-nosnippet>26</a> <span class="attr">#[inline]
<a href=#27 id=27 data-nosnippet>27</a> </span><span class="kw">fn </span>index(<span class="kw-2">&amp;</span><span class="self">self</span>, index: ::core::ops::Range&lt;usize&gt;) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Output {
<a href=#28 id=28 data-nosnippet>28</a> ::core::ops::Index::index(<span class="kw-2">&amp;**</span><span class="self">self</span>, index)
<a href=#29 id=29 data-nosnippet>29</a> }
<a href=#30 id=30 data-nosnippet>30</a> }
<a href=#31 id=31 data-nosnippet>31</a>
<a href=#32 id=32 data-nosnippet>32</a> <span class="kw">impl</span>&lt;<span class="macro-nonterminal">$T</span>&gt; ::core::ops::IndexMut&lt;::core::ops::Range&lt;usize&gt;&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#33 id=33 data-nosnippet>33</a> </span>{
<a href=#34 id=34 data-nosnippet>34</a> <span class="attr">#[inline]
<a href=#35 id=35 data-nosnippet>35</a> </span><span class="kw">fn </span>index_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>, index: ::core::ops::Range&lt;usize&gt;) -&gt; <span class="kw-2">&amp;mut </span><span class="self">Self</span>::Output {
<a href=#36 id=36 data-nosnippet>36</a> ::core::ops::IndexMut::index_mut(<span class="kw-2">&amp;mut **</span><span class="self">self</span>, index)
<a href=#37 id=37 data-nosnippet>37</a> }
<a href=#38 id=38 data-nosnippet>38</a> }
<a href=#39 id=39 data-nosnippet>39</a>
<a href=#40 id=40 data-nosnippet>40</a>
<a href=#41 id=41 data-nosnippet>41</a> <span class="kw">impl</span>&lt;<span class="macro-nonterminal">$T</span>&gt; ::core::ops::Deref <span class="kw">for </span><span class="macro-nonterminal">$MemoryType </span>{
<a href=#42 id=42 data-nosnippet>42</a> <span class="kw">type </span>Target = [T];
<a href=#43 id=43 data-nosnippet>43</a>
<a href=#44 id=44 data-nosnippet>44</a> <span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>[T] {
<a href=#45 id=45 data-nosnippet>45</a> <span class="self">self</span>.slice()
<a href=#46 id=46 data-nosnippet>46</a> }
<a href=#47 id=47 data-nosnippet>47</a> }
<a href=#48 id=48 data-nosnippet>48</a>
<a href=#49 id=49 data-nosnippet>49</a> <span class="kw">impl</span>&lt;T&gt; ::core::ops::DerefMut <span class="kw">for </span><span class="macro-nonterminal">$MemoryType </span>{
<a href=#50 id=50 data-nosnippet>50</a> <span class="kw">fn </span>deref_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>[T] {
<a href=#51 id=51 data-nosnippet>51</a> <span class="self">self</span>.slice_mut()
<a href=#52 id=52 data-nosnippet>52</a> }
<a href=#53 id=53 data-nosnippet>53</a> }
<a href=#54 id=54 data-nosnippet>54</a> };
<a href=#55 id=55 data-nosnippet>55</a> (<span class="macro-nonterminal">$T0</span>: ident, <span class="macro-nonterminal">$T</span>:ident, <span class="macro-nonterminal">$MemoryType</span>:ty) =&gt; {
<a href=#56 id=56 data-nosnippet>56</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::Index&lt;usize&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#57 id=57 data-nosnippet>57</a> </span>{
<a href=#58 id=58 data-nosnippet>58</a> <span class="kw">type </span>Output = T;
<a href=#59 id=59 data-nosnippet>59</a>
<a href=#60 id=60 data-nosnippet>60</a> <span class="attr">#[inline]
<a href=#61 id=61 data-nosnippet>61</a> </span><span class="kw">fn </span>index(<span class="kw-2">&amp;</span><span class="self">self</span>, index: usize) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Output {
<a href=#62 id=62 data-nosnippet>62</a> ::core::ops::Index::index(<span class="kw-2">&amp;**</span><span class="self">self</span>, index)
<a href=#63 id=63 data-nosnippet>63</a> }
<a href=#64 id=64 data-nosnippet>64</a> }
<a href=#65 id=65 data-nosnippet>65</a>
<a href=#66 id=66 data-nosnippet>66</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::IndexMut&lt;usize&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#67 id=67 data-nosnippet>67</a> </span>{
<a href=#68 id=68 data-nosnippet>68</a> <span class="attr">#[inline]
<a href=#69 id=69 data-nosnippet>69</a> </span><span class="kw">fn </span>index_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>, index: usize) -&gt; <span class="kw-2">&amp;mut </span><span class="self">Self</span>::Output {
<a href=#70 id=70 data-nosnippet>70</a> ::core::ops::IndexMut::index_mut(<span class="kw-2">&amp;mut **</span><span class="self">self</span>, index)
<a href=#71 id=71 data-nosnippet>71</a> }
<a href=#72 id=72 data-nosnippet>72</a> }
<a href=#73 id=73 data-nosnippet>73</a>
<a href=#74 id=74 data-nosnippet>74</a>
<a href=#75 id=75 data-nosnippet>75</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::Index&lt;::core::ops::Range&lt;usize&gt;&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#76 id=76 data-nosnippet>76</a> </span>{
<a href=#77 id=77 data-nosnippet>77</a> <span class="kw">type </span>Output = [T];
<a href=#78 id=78 data-nosnippet>78</a>
<a href=#79 id=79 data-nosnippet>79</a> <span class="attr">#[inline]
<a href=#80 id=80 data-nosnippet>80</a> </span><span class="kw">fn </span>index(<span class="kw-2">&amp;</span><span class="self">self</span>, index: ::core::ops::Range&lt;usize&gt;) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Output {
<a href=#81 id=81 data-nosnippet>81</a> ::core::ops::Index::index(<span class="kw-2">&amp;**</span><span class="self">self</span>, index)
<a href=#82 id=82 data-nosnippet>82</a> }
<a href=#83 id=83 data-nosnippet>83</a> }
<a href=#84 id=84 data-nosnippet>84</a>
<a href=#85 id=85 data-nosnippet>85</a>
<a href=#86 id=86 data-nosnippet>86</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::IndexMut&lt;::core::ops::Range&lt;usize&gt;&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#87 id=87 data-nosnippet>87</a> </span>{
<a href=#88 id=88 data-nosnippet>88</a> <span class="attr">#[inline]
<a href=#89 id=89 data-nosnippet>89</a> </span><span class="kw">fn </span>index_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>, index: ::core::ops::Range&lt;usize&gt;) -&gt; <span class="kw-2">&amp;mut </span><span class="self">Self</span>::Output {
<a href=#90 id=90 data-nosnippet>90</a> ::core::ops::IndexMut::index_mut(<span class="kw-2">&amp;mut **</span><span class="self">self</span>, index)
<a href=#91 id=91 data-nosnippet>91</a> }
<a href=#92 id=92 data-nosnippet>92</a> }
<a href=#93 id=93 data-nosnippet>93</a>
<a href=#94 id=94 data-nosnippet>94</a>
<a href=#95 id=95 data-nosnippet>95</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::Deref <span class="kw">for </span><span class="macro-nonterminal">$MemoryType </span>{
<a href=#96 id=96 data-nosnippet>96</a> <span class="kw">type </span>Target = [T];
<a href=#97 id=97 data-nosnippet>97</a>
<a href=#98 id=98 data-nosnippet>98</a> <span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>[T] {
<a href=#99 id=99 data-nosnippet>99</a> <span class="self">self</span>.slice()
<a href=#100 id=100 data-nosnippet>100</a> }
<a href=#101 id=101 data-nosnippet>101</a> }
<a href=#102 id=102 data-nosnippet>102</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::DerefMut <span class="kw">for </span><span class="macro-nonterminal">$MemoryType </span>{
<a href=#103 id=103 data-nosnippet>103</a> <span class="kw">fn </span>deref_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>[T] {
<a href=#104 id=104 data-nosnippet>104</a> <span class="self">self</span>.slice_mut()
<a href=#105 id=105 data-nosnippet>105</a> }
<a href=#106 id=106 data-nosnippet>106</a> }
<a href=#107 id=107 data-nosnippet>107</a> }
<a href=#108 id=108 data-nosnippet>108</a>}
<a href=#109 id=109 data-nosnippet>109</a><span class="attr">#[macro_export]
<a href=#110 id=110 data-nosnippet>110</a></span><span class="macro">macro_rules!</span> define_index_ops {
<a href=#111 id=111 data-nosnippet>111</a> (<span class="macro-nonterminal">$T</span>:ident, <span class="macro-nonterminal">$MemoryType</span>:ty) =&gt; {
<a href=#112 id=112 data-nosnippet>112</a> <span class="kw">impl</span>&lt;<span class="macro-nonterminal">$T</span>&gt; ::core::ops::Index&lt;usize&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#113 id=113 data-nosnippet>113</a> </span>{
<a href=#114 id=114 data-nosnippet>114</a> <span class="kw">type </span>Output = T;
<a href=#115 id=115 data-nosnippet>115</a>
<a href=#116 id=116 data-nosnippet>116</a> <span class="attr">#[inline]
<a href=#117 id=117 data-nosnippet>117</a> </span><span class="kw">fn </span>index(<span class="kw-2">&amp;</span><span class="self">self</span>, index: usize) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Output {
<a href=#118 id=118 data-nosnippet>118</a> ::core::ops::Index::index(<span class="kw-2">&amp;**</span><span class="self">self</span>, index)
<a href=#119 id=119 data-nosnippet>119</a> }
<a href=#120 id=120 data-nosnippet>120</a> }
<a href=#121 id=121 data-nosnippet>121</a>
<a href=#122 id=122 data-nosnippet>122</a>
<a href=#123 id=123 data-nosnippet>123</a> <span class="kw">impl</span>&lt;<span class="macro-nonterminal">$T</span>&gt; ::core::ops::Index&lt;::core::ops::Range&lt;usize&gt;&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#124 id=124 data-nosnippet>124</a> </span>{
<a href=#125 id=125 data-nosnippet>125</a> <span class="kw">type </span>Output = [T];
<a href=#126 id=126 data-nosnippet>126</a>
<a href=#127 id=127 data-nosnippet>127</a> <span class="attr">#[inline]
<a href=#128 id=128 data-nosnippet>128</a> </span><span class="kw">fn </span>index(<span class="kw-2">&amp;</span><span class="self">self</span>, index: ::core::ops::Range&lt;usize&gt;) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Output {
<a href=#129 id=129 data-nosnippet>129</a> ::core::ops::Index::index(<span class="kw-2">&amp;**</span><span class="self">self</span>, index)
<a href=#130 id=130 data-nosnippet>130</a> }
<a href=#131 id=131 data-nosnippet>131</a> }
<a href=#132 id=132 data-nosnippet>132</a>
<a href=#133 id=133 data-nosnippet>133</a> <span class="kw">impl</span>&lt;<span class="macro-nonterminal">$T</span>&gt; ::core::ops::Deref <span class="kw">for </span><span class="macro-nonterminal">$MemoryType </span>{
<a href=#134 id=134 data-nosnippet>134</a> <span class="kw">type </span>Target = [T];
<a href=#135 id=135 data-nosnippet>135</a>
<a href=#136 id=136 data-nosnippet>136</a> <span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>[T] {
<a href=#137 id=137 data-nosnippet>137</a> <span class="self">self</span>.slice()
<a href=#138 id=138 data-nosnippet>138</a> }
<a href=#139 id=139 data-nosnippet>139</a> }
<a href=#140 id=140 data-nosnippet>140</a>
<a href=#141 id=141 data-nosnippet>141</a> };
<a href=#142 id=142 data-nosnippet>142</a> (<span class="macro-nonterminal">$T0</span>: tt, <span class="macro-nonterminal">$T</span>:ident, <span class="macro-nonterminal">$MemoryType</span>:ty) =&gt; {
<a href=#143 id=143 data-nosnippet>143</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::Index&lt;usize&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#144 id=144 data-nosnippet>144</a> </span>{
<a href=#145 id=145 data-nosnippet>145</a> <span class="kw">type </span>Output = T;
<a href=#146 id=146 data-nosnippet>146</a>
<a href=#147 id=147 data-nosnippet>147</a> <span class="attr">#[inline]
<a href=#148 id=148 data-nosnippet>148</a> </span><span class="kw">fn </span>index(<span class="kw-2">&amp;</span><span class="self">self</span>, index: usize) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Output {
<a href=#149 id=149 data-nosnippet>149</a> ::core::ops::Index::index(<span class="kw-2">&amp;**</span><span class="self">self</span>, index)
<a href=#150 id=150 data-nosnippet>150</a> }
<a href=#151 id=151 data-nosnippet>151</a> }
<a href=#152 id=152 data-nosnippet>152</a>
<a href=#153 id=153 data-nosnippet>153</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::Index&lt;::core::ops::Range&lt;usize&gt;&gt; <span class="kw">for </span><span class="macro-nonterminal">$MemoryType
<a href=#154 id=154 data-nosnippet>154</a> </span>{
<a href=#155 id=155 data-nosnippet>155</a> <span class="kw">type </span>Output = [T];
<a href=#156 id=156 data-nosnippet>156</a>
<a href=#157 id=157 data-nosnippet>157</a> <span class="attr">#[inline]
<a href=#158 id=158 data-nosnippet>158</a> </span><span class="kw">fn </span>index(<span class="kw-2">&amp;</span><span class="self">self</span>, index: ::core::ops::Range&lt;usize&gt;) -&gt; <span class="kw-2">&amp;</span><span class="self">Self</span>::Output {
<a href=#159 id=159 data-nosnippet>159</a> ::core::ops::Index::index(<span class="kw-2">&amp;**</span><span class="self">self</span>, index)
<a href=#160 id=160 data-nosnippet>160</a> }
<a href=#161 id=161 data-nosnippet>161</a> }
<a href=#162 id=162 data-nosnippet>162</a>
<a href=#163 id=163 data-nosnippet>163</a>
<a href=#164 id=164 data-nosnippet>164</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, <span class="macro-nonterminal">$T</span>&gt; ::core::ops::Deref <span class="kw">for </span><span class="macro-nonterminal">$MemoryType </span>{
<a href=#165 id=165 data-nosnippet>165</a> <span class="kw">type </span>Target = [T];
<a href=#166 id=166 data-nosnippet>166</a>
<a href=#167 id=167 data-nosnippet>167</a> <span class="kw">fn </span>deref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>[T] {
<a href=#168 id=168 data-nosnippet>168</a> <span class="self">self</span>.slice()
<a href=#169 id=169 data-nosnippet>169</a> }
<a href=#170 id=170 data-nosnippet>170</a> }
<a href=#171 id=171 data-nosnippet>171</a> }
<a href=#172 id=172 data-nosnippet>172</a>}
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/newkirk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-no-stdlib-2.0.4/src/allocated_memory/mod.rs`."><title>mod.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="alloc_no_stdlib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="../../../static.files/src-script-813739b1.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">alloc_no_stdlib/allocated_memory/</div>mod.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">extern crate </span>core;
<a href=#2 id=2 data-nosnippet>2</a><span class="attr">#[macro_use]
<a href=#3 id=3 data-nosnippet>3</a></span><span class="kw">mod </span>index_macro;
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span>core::default::Default;
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">pub use </span>core::ops::IndexMut;
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">pub use </span>core::ops::Index;
<a href=#7 id=7 data-nosnippet>7</a><span class="kw">pub use </span>core::ops::Range;
<a href=#8 id=8 data-nosnippet>8</a><span class="kw">pub trait </span>SliceWrapper&lt;T&gt; {
<a href=#9 id=9 data-nosnippet>9</a> <span class="kw">fn </span>slice(&amp; <span class="self">self</span>) -&gt; &amp; [T];
<a href=#10 id=10 data-nosnippet>10</a> <span class="kw">fn </span>len(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; usize{
<a href=#11 id=11 data-nosnippet>11</a> <span class="self">self</span>.slice().len()
<a href=#12 id=12 data-nosnippet>12</a> }
<a href=#13 id=13 data-nosnippet>13</a>}
<a href=#14 id=14 data-nosnippet>14</a>
<a href=#15 id=15 data-nosnippet>15</a><span class="kw">pub trait </span>SliceWrapperMut&lt;T&gt; : SliceWrapper&lt;T&gt; {
<a href=#16 id=16 data-nosnippet>16</a> <span class="kw">fn </span>slice_mut (<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; &amp; <span class="kw-2">mut </span>[T];
<a href=#17 id=17 data-nosnippet>17</a>}
<a href=#18 id=18 data-nosnippet>18</a>
<a href=#19 id=19 data-nosnippet>19</a><span class="kw">pub trait </span>AllocatedSlice&lt;T&gt;
<a href=#20 id=20 data-nosnippet>20</a> : SliceWrapperMut&lt;T&gt; + SliceWrapper&lt;T&gt; + Default {
<a href=#21 id=21 data-nosnippet>21</a>}
<a href=#22 id=22 data-nosnippet>22</a>
<a href=#23 id=23 data-nosnippet>23</a><span class="kw">impl</span>&lt;T, U&gt; AllocatedSlice&lt;T&gt; <span class="kw">for </span>U <span class="kw">where </span>U : SliceWrapperMut&lt;T&gt; + SliceWrapper&lt;T&gt; + Default {
<a href=#24 id=24 data-nosnippet>24</a>
<a href=#25 id=25 data-nosnippet>25</a>}
</code></pre></div></section></main></body></html>

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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/newkirk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-no-stdlib-2.0.4/src/allocated_stack_memory.rs`."><title>allocated_stack_memory.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="alloc_no_stdlib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">alloc_no_stdlib/</div>allocated_stack_memory.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">extern crate </span>core;
<a href=#2 id=2 data-nosnippet>2</a>
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span><span class="kw">super</span>::allocated_memory::SliceWrapper;
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span><span class="kw">super</span>::allocated_memory::SliceWrapperMut;
<a href=#5 id=5 data-nosnippet>5</a>
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">pub struct </span>AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T:<span class="lifetime">'a</span>&gt; {
<a href=#7 id=7 data-nosnippet>7</a> <span class="kw">pub </span>mem : <span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T],
<a href=#8 id=8 data-nosnippet>8</a>}
<a href=#9 id=9 data-nosnippet>9</a>
<a href=#10 id=10 data-nosnippet>10</a><span class="macro">define_index_ops_mut!</span>(a, T, AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt;);
<a href=#11 id=11 data-nosnippet>11</a>
<a href=#12 id=12 data-nosnippet>12</a><span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; core::default::Default <span class="kw">for </span>AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#13 id=13 data-nosnippet>13</a> <span class="kw">fn </span>default() -&gt; <span class="self">Self </span>{
<a href=#14 id=14 data-nosnippet>14</a> <span class="kw">return </span>AllocatedStackMemory::&lt;<span class="lifetime">'a</span>, T&gt;{mem : <span class="kw-2">&amp;mut</span>[]};
<a href=#15 id=15 data-nosnippet>15</a> }
<a href=#16 id=16 data-nosnippet>16</a>}
<a href=#17 id=17 data-nosnippet>17</a>
<a href=#18 id=18 data-nosnippet>18</a>
<a href=#19 id=19 data-nosnippet>19</a><span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; SliceWrapper&lt;T&gt; <span class="kw">for </span>AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#20 id=20 data-nosnippet>20</a> <span class="kw">fn </span>slice(&amp; <span class="self">self</span>) -&gt; &amp; [T] {
<a href=#21 id=21 data-nosnippet>21</a> <span class="kw">return </span>&amp; <span class="self">self</span>.mem;
<a href=#22 id=22 data-nosnippet>22</a> }
<a href=#23 id=23 data-nosnippet>23</a>}
<a href=#24 id=24 data-nosnippet>24</a>
<a href=#25 id=25 data-nosnippet>25</a><span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; SliceWrapperMut&lt;T&gt; <span class="kw">for </span>AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#26 id=26 data-nosnippet>26</a> <span class="kw">fn </span>slice_mut(&amp; <span class="kw-2">mut </span><span class="self">self</span>) -&gt;&amp; <span class="kw-2">mut </span>[T] {
<a href=#27 id=27 data-nosnippet>27</a> <span class="kw">return </span><span class="kw-2">&amp;mut </span><span class="self">self</span>.mem;
<a href=#28 id=28 data-nosnippet>28</a> }
<a href=#29 id=29 data-nosnippet>29</a>}
<a href=#30 id=30 data-nosnippet>30</a>
<a href=#31 id=31 data-nosnippet>31</a>
<a href=#32 id=32 data-nosnippet>32</a>
</code></pre></div></section></main></body></html>

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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/newkirk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-no-stdlib-2.0.4/src/init.rs`."><title>init.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="alloc_no_stdlib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">alloc_no_stdlib/</div>init.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="attr">#[macro_export]
<a href=#2 id=2 data-nosnippet>2</a></span><span class="macro">macro_rules!</span> static_array {
<a href=#3 id=3 data-nosnippet>3</a> (@accum (<span class="number">0</span>, $(<span class="macro-nonterminal">$_ignored</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#4 id=4 data-nosnippet>4</a> =&gt; {<span class="macro">static_array!</span>(@as_expr [$(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>])};
<a href=#5 id=5 data-nosnippet>5</a> (@accum (<span class="number">1</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#6 id=6 data-nosnippet>6</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">0</span>, $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)* $(<span class="macro-nonterminal">$expr</span>,)<span class="kw-2">*</span>))};
<a href=#7 id=7 data-nosnippet>7</a> (@accum (<span class="number">2</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#8 id=8 data-nosnippet>8</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">0</span>, $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)* $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>,)<span class="kw-2">*</span>))};
<a href=#9 id=9 data-nosnippet>9</a> (@accum (<span class="number">4</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#10 id=10 data-nosnippet>10</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">2</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#11 id=11 data-nosnippet>11</a> (@accum (<span class="number">8</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#12 id=12 data-nosnippet>12</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">4</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#13 id=13 data-nosnippet>13</a> (@accum (<span class="number">16</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#14 id=14 data-nosnippet>14</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">8</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#15 id=15 data-nosnippet>15</a> (@accum (<span class="number">32</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#16 id=16 data-nosnippet>16</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">16</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#17 id=17 data-nosnippet>17</a> (@accum (<span class="number">64</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#18 id=18 data-nosnippet>18</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">32</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#19 id=19 data-nosnippet>19</a> (@accum (<span class="number">128</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#20 id=20 data-nosnippet>20</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">64</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#21 id=21 data-nosnippet>21</a> (@accum (<span class="number">256</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#22 id=22 data-nosnippet>22</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">128</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#23 id=23 data-nosnippet>23</a> (@accum (<span class="number">512</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#24 id=24 data-nosnippet>24</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">256</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#25 id=25 data-nosnippet>25</a> (@accum (<span class="number">1024</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#26 id=26 data-nosnippet>26</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">512</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#27 id=27 data-nosnippet>27</a> (@accum (<span class="number">2048</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#28 id=28 data-nosnippet>28</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">1024</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#29 id=29 data-nosnippet>29</a> (@accum (<span class="number">4096</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#30 id=30 data-nosnippet>30</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">2048</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#31 id=31 data-nosnippet>31</a> (@accum (<span class="number">8192</span>, $(<span class="macro-nonterminal">$expr</span>:expr),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>:tt)<span class="kw-2">*</span>))
<a href=#32 id=32 data-nosnippet>32</a> =&gt; {<span class="macro">static_array!</span>(@accum (<span class="number">4096</span>, $(<span class="macro-nonterminal">$expr</span>,)* $(<span class="macro-nonterminal">$expr</span>),<span class="kw-2">*</span>) -&gt; ($(<span class="macro-nonterminal">$body</span>)<span class="kw-2">*</span>))};
<a href=#33 id=33 data-nosnippet>33</a>
<a href=#34 id=34 data-nosnippet>34</a> (@as_expr <span class="macro-nonterminal">$expr</span>:expr) =&gt; {<span class="macro-nonterminal">$expr</span>};
<a href=#35 id=35 data-nosnippet>35</a>
<a href=#36 id=36 data-nosnippet>36</a> (<span class="macro-nonterminal">$expr</span>:expr; <span class="macro-nonterminal">$n</span>:tt) =&gt; { <span class="macro">static_array!</span>(@accum (<span class="macro-nonterminal">$n</span>, <span class="macro-nonterminal">$expr</span>) -&gt; ()) };
<a href=#37 id=37 data-nosnippet>37</a>}
<a href=#38 id=38 data-nosnippet>38</a>
<a href=#39 id=39 data-nosnippet>39</a>
<a href=#40 id=40 data-nosnippet>40</a><span class="attr">#[macro_export]
<a href=#41 id=41 data-nosnippet>41</a></span><span class="macro">macro_rules!</span> define_stack_allocator_traits(
<a href=#42 id=42 data-nosnippet>42</a> (<span class="macro-nonterminal">$name </span>: ident, global) =&gt; {
<a href=#43 id=43 data-nosnippet>43</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; Default <span class="kw">for </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#44 id=44 data-nosnippet>44</a> <span class="kw">fn </span>default() -&gt; <span class="self">Self </span>{
<a href=#45 id=45 data-nosnippet>45</a> <span class="kw">return </span><span class="macro-nonterminal">$name</span>::&lt;<span class="lifetime">'a</span>, T&gt;{freelist : <span class="kw-2">&amp;mut</span>[],};
<a href=#46 id=46 data-nosnippet>46</a> }
<a href=#47 id=47 data-nosnippet>47</a> }
<a href=#48 id=48 data-nosnippet>48</a> <span class="macro">define_stack_allocator_traits!</span>(<span class="macro-nonterminal">$name</span>, generic);
<a href=#49 id=49 data-nosnippet>49</a> };
<a href=#50 id=50 data-nosnippet>50</a> (<span class="macro-nonterminal">$name </span>: ident, <span class="macro-nonterminal">$freelist_size </span>: tt, stack) =&gt; {
<a href=#51 id=51 data-nosnippet>51</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; Default <span class="kw">for </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#52 id=52 data-nosnippet>52</a> <span class="kw">fn </span>default() -&gt; <span class="self">Self </span>{
<a href=#53 id=53 data-nosnippet>53</a> <span class="kw">return </span><span class="macro-nonterminal">$name</span>::&lt;<span class="lifetime">'a</span>, T&gt;{freelist : <span class="macro">static_array!</span>(<span class="kw-2">&amp;mut</span>[]; <span class="macro-nonterminal">$freelist_size</span>)};
<a href=#54 id=54 data-nosnippet>54</a> }
<a href=#55 id=55 data-nosnippet>55</a> }
<a href=#56 id=56 data-nosnippet>56</a> <span class="macro">define_stack_allocator_traits!</span>(<span class="macro-nonterminal">$name</span>, generic);
<a href=#57 id=57 data-nosnippet>57</a> };
<a href=#58 id=58 data-nosnippet>58</a> (<span class="macro-nonterminal">$name </span>: ident, heap) =&gt; {
<a href=#59 id=59 data-nosnippet>59</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; Default <span class="kw">for </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#60 id=60 data-nosnippet>60</a> <span class="kw">fn </span>default() -&gt; <span class="self">Self </span>{
<a href=#61 id=61 data-nosnippet>61</a> <span class="kw">let </span>v : Vec&lt;<span class="kw-2">&amp;mut </span>[T]&gt; = Vec::new();
<a href=#62 id=62 data-nosnippet>62</a> <span class="kw">let </span>b = v.into_boxed_slice();
<a href=#63 id=63 data-nosnippet>63</a> <span class="kw">return </span><span class="macro-nonterminal">$name</span>::&lt;<span class="lifetime">'a</span>, T&gt;{freelist : b};
<a href=#64 id=64 data-nosnippet>64</a> }
<a href=#65 id=65 data-nosnippet>65</a> }
<a href=#66 id=66 data-nosnippet>66</a> <span class="macro">define_stack_allocator_traits!</span>(<span class="macro-nonterminal">$name</span>, generic);
<a href=#67 id=67 data-nosnippet>67</a> };
<a href=#68 id=68 data-nosnippet>68</a> (<span class="macro-nonterminal">$name </span>: ident, <span class="macro-nonterminal">$freelist_size </span>: tt, malloc) =&gt; {
<a href=#69 id=69 data-nosnippet>69</a> <span class="macro">define_stack_allocator_traits!</span>(<span class="macro-nonterminal">$name</span>, calloc);
<a href=#70 id=70 data-nosnippet>70</a> };
<a href=#71 id=71 data-nosnippet>71</a> (<span class="macro-nonterminal">$name </span>: ident, <span class="macro-nonterminal">$freelist_size </span>: tt, calloc) =&gt; {
<a href=#72 id=72 data-nosnippet>72</a>
<a href=#73 id=73 data-nosnippet>73</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; Default <span class="kw">for </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#74 id=74 data-nosnippet>74</a> <span class="kw">fn </span>default() -&gt; <span class="self">Self </span>{
<a href=#75 id=75 data-nosnippet>75</a> <span class="kw">return </span><span class="macro-nonterminal">$name</span>::&lt;<span class="lifetime">'a</span>, T&gt;{freelist : <span class="macro">static_array!</span>(<span class="kw-2">&amp;mut</span>[]; <span class="macro-nonterminal">$freelist_size</span>)};
<a href=#76 id=76 data-nosnippet>76</a> }
<a href=#77 id=77 data-nosnippet>77</a> }
<a href=#78 id=78 data-nosnippet>78</a> <span class="macro">define_stack_allocator_traits!</span>(<span class="macro-nonterminal">$name</span>, generic);
<a href=#79 id=79 data-nosnippet>79</a> };
<a href=#80 id=80 data-nosnippet>80</a> (<span class="macro-nonterminal">$name </span>: ident, generic) =&gt; {
<a href=#81 id=81 data-nosnippet>81</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; SliceWrapper&lt;<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut</span>[T]&gt; <span class="kw">for </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#82 id=82 data-nosnippet>82</a> <span class="kw">fn </span>slice(&amp; <span class="self">self</span>) -&gt; &amp; [<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut</span>[T]] {
<a href=#83 id=83 data-nosnippet>83</a> <span class="kw">return </span>&amp; <span class="self">self</span>.freelist;
<a href=#84 id=84 data-nosnippet>84</a> }
<a href=#85 id=85 data-nosnippet>85</a> }
<a href=#86 id=86 data-nosnippet>86</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; SliceWrapperMut&lt;<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T]&gt; <span class="kw">for </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#87 id=87 data-nosnippet>87</a> <span class="kw">fn </span>slice_mut(&amp; <span class="kw-2">mut </span><span class="self">self</span>) -&gt;<span class="kw-2">&amp;mut </span>[<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T]] {
<a href=#88 id=88 data-nosnippet>88</a> <span class="kw">return </span><span class="kw-2">&amp;mut </span><span class="self">self</span>.freelist;
<a href=#89 id=89 data-nosnippet>89</a> }
<a href=#90 id=90 data-nosnippet>90</a> }
<a href=#91 id=91 data-nosnippet>91</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; ops::Index&lt;usize&gt; <span class="kw">for </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#92 id=92 data-nosnippet>92</a> <span class="kw">type </span>Output = [T];
<a href=#93 id=93 data-nosnippet>93</a> <span class="kw">fn </span>index&lt;<span class="lifetime">'b</span>&gt; (<span class="kw-2">&amp;</span><span class="lifetime">'b </span><span class="self">self</span>, _index : usize) -&gt; <span class="kw-2">&amp;</span><span class="lifetime">'b </span>[T] {
<a href=#94 id=94 data-nosnippet>94</a> <span class="kw">return </span><span class="kw-2">&amp;</span><span class="self">self</span>.freelist[_index];
<a href=#95 id=95 data-nosnippet>95</a> }
<a href=#96 id=96 data-nosnippet>96</a> }
<a href=#97 id=97 data-nosnippet>97</a>
<a href=#98 id=98 data-nosnippet>98</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; ops::IndexMut&lt;usize&gt; <span class="kw">for </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#99 id=99 data-nosnippet>99</a> <span class="kw">fn </span>index_mut&lt;<span class="lifetime">'b</span>&gt;(<span class="kw-2">&amp;</span><span class="lifetime">'b </span><span class="kw-2">mut </span><span class="self">self</span>, _index : usize) -&gt; <span class="kw-2">&amp;</span><span class="lifetime">'b </span><span class="kw-2">mut </span>[T] {
<a href=#100 id=100 data-nosnippet>100</a> <span class="kw">return </span><span class="kw-2">&amp;mut </span><span class="self">self</span>.freelist[_index];
<a href=#101 id=101 data-nosnippet>101</a> }
<a href=#102 id=102 data-nosnippet>102</a> }
<a href=#103 id=103 data-nosnippet>103</a> };
<a href=#104 id=104 data-nosnippet>104</a>);
<a href=#105 id=105 data-nosnippet>105</a>
<a href=#106 id=106 data-nosnippet>106</a><span class="attr">#[macro_export]
<a href=#107 id=107 data-nosnippet>107</a></span><span class="macro">macro_rules!</span> declare_stack_allocator_struct(
<a href=#108 id=108 data-nosnippet>108</a> (@as_expr <span class="macro-nonterminal">$expr </span>: expr) =&gt; {<span class="macro-nonterminal">$expr</span>};
<a href=#109 id=109 data-nosnippet>109</a> (@new_method <span class="macro-nonterminal">$name </span>: ident, <span class="macro-nonterminal">$freelist_size </span>: tt) =&gt; {
<a href=#110 id=110 data-nosnippet>110</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; <span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#111 id=111 data-nosnippet>111</a> <span class="kw">fn </span>new_allocator(global_buffer : <span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T],
<a href=#112 id=112 data-nosnippet>112</a> initializer : <span class="kw">fn</span>(<span class="kw-2">&amp;mut</span>[T])) -&gt; StackAllocator&lt;<span class="lifetime">'a</span>, T, <span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; &gt; {
<a href=#113 id=113 data-nosnippet>113</a> <span class="kw">let </span><span class="kw-2">mut </span>retval = StackAllocator::&lt;T, <span class="macro-nonterminal">$name</span>&lt;T&gt; &gt; {
<a href=#114 id=114 data-nosnippet>114</a> nop : <span class="kw-2">&amp;mut </span>[],
<a href=#115 id=115 data-nosnippet>115</a> system_resources : <span class="macro-nonterminal">$name</span>::&lt;T&gt;::default(),
<a href=#116 id=116 data-nosnippet>116</a> free_list_start : <span class="macro">declare_stack_allocator_struct!</span>(@as_expr <span class="macro-nonterminal">$freelist_size</span>),
<a href=#117 id=117 data-nosnippet>117</a> free_list_overflow_count : <span class="number">0</span>,
<a href=#118 id=118 data-nosnippet>118</a> initialize : initializer,
<a href=#119 id=119 data-nosnippet>119</a> };
<a href=#120 id=120 data-nosnippet>120</a> retval.free_cell(AllocatedStackMemory::&lt;T&gt;{mem:global_buffer});
<a href=#121 id=121 data-nosnippet>121</a> <span class="kw">return </span>retval;
<a href=#122 id=122 data-nosnippet>122</a> }
<a href=#123 id=123 data-nosnippet>123</a> }
<a href=#124 id=124 data-nosnippet>124</a> };
<a href=#125 id=125 data-nosnippet>125</a>
<a href=#126 id=126 data-nosnippet>126</a> (@new_calloc_method <span class="macro-nonterminal">$name </span>: ident, <span class="macro-nonterminal">$freelist_size </span>: tt) =&gt; {
<a href=#127 id=127 data-nosnippet>127</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; <span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#128 id=128 data-nosnippet>128</a> <span class="kw">fn </span>new_allocator(<span class="kw-2">mut </span>global_buffer : <span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T],
<a href=#129 id=129 data-nosnippet>129</a> initializer : <span class="kw">fn</span>(<span class="kw-2">&amp;mut</span>[T])) -&gt; StackAllocator&lt;<span class="lifetime">'a</span>, T, <span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; &gt; {
<a href=#130 id=130 data-nosnippet>130</a> <span class="kw">let </span><span class="kw-2">mut </span>retval = StackAllocator::&lt;T, <span class="macro-nonterminal">$name</span>&lt;T&gt; &gt; {
<a href=#131 id=131 data-nosnippet>131</a> nop : <span class="kw-2">&amp;mut </span>[],
<a href=#132 id=132 data-nosnippet>132</a> system_resources : <span class="macro-nonterminal">$name</span>::&lt;T&gt;::default(),
<a href=#133 id=133 data-nosnippet>133</a> free_list_start : <span class="macro">declare_stack_allocator_struct!</span>(@as_expr <span class="macro-nonterminal">$freelist_size</span>),
<a href=#134 id=134 data-nosnippet>134</a> free_list_overflow_count : <span class="number">0</span>,
<a href=#135 id=135 data-nosnippet>135</a> initialize : initializer,
<a href=#136 id=136 data-nosnippet>136</a> };
<a href=#137 id=137 data-nosnippet>137</a> retval.free_cell(AllocatedStackMemory::&lt;T&gt;{mem:core::mem::replace(<span class="kw-2">&amp;mut </span>global_buffer, <span class="kw-2">&amp;mut</span>[])});
<a href=#138 id=138 data-nosnippet>138</a> <span class="kw">return </span>retval;
<a href=#139 id=139 data-nosnippet>139</a> }
<a href=#140 id=140 data-nosnippet>140</a> }
<a href=#141 id=141 data-nosnippet>141</a> };
<a href=#142 id=142 data-nosnippet>142</a> (<span class="macro-nonterminal">$name </span>:ident, <span class="macro-nonterminal">$freelist_size </span>: tt, malloc) =&gt; {
<a href=#143 id=143 data-nosnippet>143</a> <span class="macro">declare_stack_allocator_struct!</span>(<span class="macro-nonterminal">$name</span>, <span class="macro-nonterminal">$freelist_size</span>, calloc);
<a href=#144 id=144 data-nosnippet>144</a> };
<a href=#145 id=145 data-nosnippet>145</a> (<span class="macro-nonterminal">$name </span>:ident, <span class="macro-nonterminal">$freelist_size </span>: tt, calloc) =&gt; {
<a href=#146 id=146 data-nosnippet>146</a> <span class="kw">struct </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T : <span class="lifetime">'a</span>&gt; {
<a href=#147 id=147 data-nosnippet>147</a> freelist : [<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T]; <span class="macro">declare_stack_allocator_struct!</span>(@as_expr <span class="macro-nonterminal">$freelist_size</span>)],
<a href=#148 id=148 data-nosnippet>148</a> }
<a href=#149 id=149 data-nosnippet>149</a> <span class="macro">define_stack_allocator_traits!</span>(<span class="macro-nonterminal">$name</span>,
<a href=#150 id=150 data-nosnippet>150</a> <span class="macro-nonterminal">$freelist_size</span>,
<a href=#151 id=151 data-nosnippet>151</a> calloc);
<a href=#152 id=152 data-nosnippet>152</a> <span class="macro">declare_stack_allocator_struct!</span>( @new_calloc_method <span class="macro-nonterminal">$name</span>, <span class="macro-nonterminal">$freelist_size</span>);
<a href=#153 id=153 data-nosnippet>153</a> };
<a href=#154 id=154 data-nosnippet>154</a> (<span class="macro-nonterminal">$name </span>:ident, <span class="macro-nonterminal">$freelist_size </span>: tt, stack) =&gt; {
<a href=#155 id=155 data-nosnippet>155</a> <span class="kw">struct </span><span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T : <span class="lifetime">'a</span>&gt; {
<a href=#156 id=156 data-nosnippet>156</a> freelist : [<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T];<span class="macro">declare_stack_allocator_struct!</span>(@as_expr <span class="macro-nonterminal">$freelist_size</span>)],
<a href=#157 id=157 data-nosnippet>157</a> <span class="comment">// can't borrow here: make it on stack-- heap : core::cell::RefCell&lt;[T; $heap_size]&gt;
<a href=#158 id=158 data-nosnippet>158</a> </span>}
<a href=#159 id=159 data-nosnippet>159</a> <span class="macro">define_stack_allocator_traits!</span>(<span class="macro-nonterminal">$name</span>,
<a href=#160 id=160 data-nosnippet>160</a> <span class="macro-nonterminal">$freelist_size</span>,
<a href=#161 id=161 data-nosnippet>161</a> stack);
<a href=#162 id=162 data-nosnippet>162</a> <span class="macro">declare_stack_allocator_struct!</span>( @new_method <span class="macro-nonterminal">$name</span>, <span class="macro-nonterminal">$freelist_size</span>);
<a href=#163 id=163 data-nosnippet>163</a> };
<a href=#164 id=164 data-nosnippet>164</a> (<span class="macro-nonterminal">$name </span>:ident, <span class="macro-nonterminal">$freelist_size </span>: expr, global) =&gt; {
<a href=#165 id=165 data-nosnippet>165</a> <span class="kw">struct </span><span class="macro-nonterminal">$name </span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; {freelist : <span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T]]}
<a href=#166 id=166 data-nosnippet>166</a> <span class="macro">define_stack_allocator_traits!</span>(<span class="macro-nonterminal">$name</span>, global);
<a href=#167 id=167 data-nosnippet>167</a> <span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T: <span class="lifetime">'a</span>&gt; <span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#168 id=168 data-nosnippet>168</a> <span class="kw">fn </span>new_allocator(initializer : <span class="kw">fn </span>(<span class="kw-2">&amp;mut</span>[T])) -&gt; StackAllocator&lt;<span class="lifetime">'a</span>, T, <span class="macro-nonterminal">$name</span>&lt;<span class="lifetime">'a</span>, T&gt; &gt; {
<a href=#169 id=169 data-nosnippet>169</a> <span class="kw">return </span>StackAllocator::&lt;T, <span class="macro-nonterminal">$name</span>&lt;T&gt; &gt; {
<a href=#170 id=170 data-nosnippet>170</a> nop : <span class="kw-2">&amp;mut </span>[],
<a href=#171 id=171 data-nosnippet>171</a> system_resources : <span class="macro-nonterminal">$name</span>::&lt;T&gt;::default(),
<a href=#172 id=172 data-nosnippet>172</a> free_list_start : <span class="number">0</span>,
<a href=#173 id=173 data-nosnippet>173</a> free_list_overflow_count : <span class="number">0</span>,
<a href=#174 id=174 data-nosnippet>174</a> initialize : initializer,
<a href=#175 id=175 data-nosnippet>175</a> };
<a href=#176 id=176 data-nosnippet>176</a> }
<a href=#177 id=177 data-nosnippet>177</a> }
<a href=#178 id=178 data-nosnippet>178</a> };
<a href=#179 id=179 data-nosnippet>179</a>);
<a href=#180 id=180 data-nosnippet>180</a><span class="attr">#[macro_export]
<a href=#181 id=181 data-nosnippet>181</a></span><span class="macro">macro_rules!</span> bind_global_buffers_to_allocator(
<a href=#182 id=182 data-nosnippet>182</a> (<span class="macro-nonterminal">$allocator </span>: expr, <span class="macro-nonterminal">$buffer </span>: ident, <span class="macro-nonterminal">$T </span>: ty) =&gt; {
<a href=#183 id=183 data-nosnippet>183</a> <span class="macro-nonterminal">$allocator</span>.free_list_start = <span class="macro-nonterminal">$buffer::FREELIST</span>.len();
<a href=#184 id=184 data-nosnippet>184</a> <span class="macro-nonterminal">$allocator</span>.system_resources.freelist = <span class="kw-2">&amp;mut </span><span class="macro-nonterminal">$buffer::FREELIST</span>;
<a href=#185 id=185 data-nosnippet>185</a> <span class="macro-nonterminal">$allocator</span>.free_cell(AllocatedStackMemory::&lt;<span class="macro-nonterminal">$T</span>&gt;{mem:<span class="kw-2">&amp;mut </span><span class="macro-nonterminal">$buffer::HEAP</span>});
<a href=#186 id=186 data-nosnippet>186</a> };
<a href=#187 id=187 data-nosnippet>187</a>);
<a href=#188 id=188 data-nosnippet>188</a>
<a href=#189 id=189 data-nosnippet>189</a><span class="attr">#[macro_export]
<a href=#190 id=190 data-nosnippet>190</a></span><span class="macro">macro_rules!</span> define_allocator_memory_pool(
<a href=#191 id=191 data-nosnippet>191</a> (@as_expr <span class="macro-nonterminal">$expr</span>:expr) =&gt; {<span class="macro-nonterminal">$expr</span>};
<a href=#192 id=192 data-nosnippet>192</a>
<a href=#193 id=193 data-nosnippet>193</a>
<a href=#194 id=194 data-nosnippet>194</a> (<span class="macro-nonterminal">$freelist_size </span>: tt, <span class="macro-nonterminal">$T </span>: ty, [<span class="number">0</span>; <span class="macro-nonterminal">$heap_size </span>: expr], calloc) =&gt; {
<a href=#195 id=195 data-nosnippet>195</a> alloc_no_stdlib::CallocBackingStore::&lt;<span class="macro-nonterminal">$T</span>&gt;::new(<span class="macro-nonterminal">$heap_size</span>, alloc_no_stdlib::AllocatorC::Calloc(calloc), free, <span class="bool-val">true</span>);
<a href=#196 id=196 data-nosnippet>196</a> };
<a href=#197 id=197 data-nosnippet>197</a> (<span class="macro-nonterminal">$freelist_size </span>: tt, <span class="macro-nonterminal">$T </span>: ty, [<span class="number">0</span>; <span class="macro-nonterminal">$heap_size </span>: expr], calloc_no_free) =&gt; {
<a href=#198 id=198 data-nosnippet>198</a> alloc_no_stdlib::CallocBackingStore::&lt;<span class="macro-nonterminal">$T</span>&gt;::new(<span class="macro-nonterminal">$heap_size</span>, alloc_no_stdlib::AllocatorC::Calloc(calloc), free, <span class="bool-val">false</span>);
<a href=#199 id=199 data-nosnippet>199</a> };
<a href=#200 id=200 data-nosnippet>200</a> (<span class="macro-nonterminal">$freelist_size </span>: tt, <span class="macro-nonterminal">$T </span>: ty, [<span class="number">0</span>; <span class="macro-nonterminal">$heap_size </span>: expr], malloc) =&gt; {
<a href=#201 id=201 data-nosnippet>201</a> alloc_no_stdlib::CallocBackingStore::&lt;<span class="macro-nonterminal">$T</span>&gt;::new(<span class="macro-nonterminal">$heap_size</span>, alloc_no_stdlib::AllocatorC::Malloc(malloc), free, <span class="bool-val">true</span>);
<a href=#202 id=202 data-nosnippet>202</a> };
<a href=#203 id=203 data-nosnippet>203</a> (<span class="macro-nonterminal">$freelist_size </span>: tt, <span class="macro-nonterminal">$T </span>: ty, [<span class="number">0</span>; <span class="macro-nonterminal">$heap_size </span>: expr], malloc_no_free) =&gt; {
<a href=#204 id=204 data-nosnippet>204</a> alloc_no_stdlib::CallocBackingStore::&lt;<span class="macro-nonterminal">$T</span>&gt;::new(<span class="macro-nonterminal">$heap_size</span>, alloc_no_stdlib::AllocatorC::Malloc(malloc), free, <span class="bool-val">false</span>);
<a href=#205 id=205 data-nosnippet>205</a> };
<a href=#206 id=206 data-nosnippet>206</a> (<span class="macro-nonterminal">$freelist_size </span>: tt, <span class="macro-nonterminal">$T </span>: ty, [<span class="macro-nonterminal">$default_value </span>: expr; <span class="macro-nonterminal">$heap_size </span>: expr], heap) =&gt; {
<a href=#207 id=207 data-nosnippet>207</a> (<span class="macro">vec!</span>[<span class="macro-nonterminal">$default_value</span>; <span class="macro-nonterminal">$heap_size</span>]).into_boxed_slice();
<a href=#208 id=208 data-nosnippet>208</a> };
<a href=#209 id=209 data-nosnippet>209</a> (<span class="macro-nonterminal">$freelist_size </span>: tt, <span class="macro-nonterminal">$T </span>: ty, [<span class="macro-nonterminal">$default_value </span>: expr; <span class="macro-nonterminal">$heap_size </span>: expr], stack) =&gt; {
<a href=#210 id=210 data-nosnippet>210</a> [<span class="macro-nonterminal">$default_value</span>; <span class="macro-nonterminal">$heap_size</span>];
<a href=#211 id=211 data-nosnippet>211</a> };
<a href=#212 id=212 data-nosnippet>212</a> (<span class="macro-nonterminal">$freelist_size </span>: tt, <span class="macro-nonterminal">$T </span>: ty, [<span class="macro-nonterminal">$default_value </span>: expr; <span class="macro-nonterminal">$heap_size </span>: expr], global, <span class="macro-nonterminal">$name </span>: ident) =&gt; {
<a href=#213 id=213 data-nosnippet>213</a> <span class="kw">pub mod </span><span class="macro-nonterminal">$name </span>{
<a href=#214 id=214 data-nosnippet>214</a> <span class="kw">pub static </span><span class="kw-2">mut </span>FREELIST : [<span class="kw-2">&amp;</span><span class="lifetime">'static </span><span class="kw-2">mut </span>[<span class="macro-nonterminal">$T</span>];
<a href=#215 id=215 data-nosnippet>215</a> <span class="macro">define_allocator_memory_pool!</span>(@as_expr <span class="macro-nonterminal">$freelist_size</span>)]
<a href=#216 id=216 data-nosnippet>216</a> = <span class="macro">static_array!</span>(<span class="kw-2">&amp;mut</span>[]; <span class="macro-nonterminal">$freelist_size</span>);
<a href=#217 id=217 data-nosnippet>217</a> <span class="kw">pub static </span><span class="kw-2">mut </span>HEAP : [<span class="macro-nonterminal">$T</span>; <span class="macro-nonterminal">$heap_size</span>] = [<span class="macro-nonterminal">$default_value</span>; <span class="macro-nonterminal">$heap_size</span>];
<a href=#218 id=218 data-nosnippet>218</a> }
<a href=#219 id=219 data-nosnippet>219</a> };
<a href=#220 id=220 data-nosnippet>220</a>
<a href=#221 id=221 data-nosnippet>221</a>);
<a href=#222 id=222 data-nosnippet>222</a>
<a href=#223 id=223 data-nosnippet>223</a>
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/newkirk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-no-stdlib-2.0.4/src/lib.rs`."><title>lib.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="alloc_no_stdlib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">alloc_no_stdlib/</div>lib.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-2"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="attr">#![no_std]
<a href=#2 id=2 data-nosnippet>2</a>
<a href=#3 id=3 data-nosnippet>3</a>#[macro_use]
<a href=#4 id=4 data-nosnippet>4</a></span><span class="kw">mod </span>allocated_memory;
<a href=#5 id=5 data-nosnippet>5</a><span class="kw">mod </span>stack_allocator;
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">mod </span>allocated_stack_memory;
<a href=#7 id=7 data-nosnippet>7</a><span class="attr">#[macro_use]
<a href=#8 id=8 data-nosnippet>8</a></span><span class="kw">pub mod </span>init;
<a href=#9 id=9 data-nosnippet>9</a><span class="kw">pub use </span>allocated_memory::SliceWrapper;
<a href=#10 id=10 data-nosnippet>10</a><span class="kw">pub use </span>allocated_memory::SliceWrapperMut;
<a href=#11 id=11 data-nosnippet>11</a><span class="kw">pub use </span>allocated_memory::AllocatedSlice;
<a href=#12 id=12 data-nosnippet>12</a>
<a href=#13 id=13 data-nosnippet>13</a><span class="kw">pub use </span>allocated_stack_memory::AllocatedStackMemory;
<a href=#14 id=14 data-nosnippet>14</a><span class="kw">pub use </span>stack_allocator::Allocator;
<a href=#15 id=15 data-nosnippet>15</a><span class="kw">pub use </span>stack_allocator::StackAllocator;
<a href=#16 id=16 data-nosnippet>16</a>
<a href=#17 id=17 data-nosnippet>17</a><span class="kw">use </span>core::default::Default;
<a href=#18 id=18 data-nosnippet>18</a><span class="kw">pub fn </span>bzero&lt;T : Default&gt; (data : <span class="kw-2">&amp;mut </span>[T]) {
<a href=#19 id=19 data-nosnippet>19</a> <span class="kw">for </span>iter <span class="kw">in </span>data.iter_mut() {
<a href=#20 id=20 data-nosnippet>20</a> <span class="kw-2">*</span>iter = T::default();
<a href=#21 id=21 data-nosnippet>21</a> }
<a href=#22 id=22 data-nosnippet>22</a>}
<a href=#23 id=23 data-nosnippet>23</a>
<a href=#24 id=24 data-nosnippet>24</a><span class="kw">pub fn </span>uninitialized&lt;T&gt; (_data : <span class="kw-2">&amp;mut</span>[T]) {}
<a href=#25 id=25 data-nosnippet>25</a>
<a href=#26 id=26 data-nosnippet>26</a>
<a href=#27 id=27 data-nosnippet>27</a>
<a href=#28 id=28 data-nosnippet>28</a><span class="attr">#[derive(Debug)]
<a href=#29 id=29 data-nosnippet>29</a></span><span class="kw">pub struct </span>CallocBackingStore&lt;<span class="lifetime">'a</span>, T : <span class="lifetime">'a</span>&gt; {
<a href=#30 id=30 data-nosnippet>30</a> <span class="kw">pub </span>raw_data : <span class="kw-2">*mut </span>u8,
<a href=#31 id=31 data-nosnippet>31</a> <span class="kw">pub </span>data : <span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut</span>[T],
<a href=#32 id=32 data-nosnippet>32</a> free : <span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>(<span class="kw-2">*mut </span>u8),
<a href=#33 id=33 data-nosnippet>33</a>}
<a href=#34 id=34 data-nosnippet>34</a>
<a href=#35 id=35 data-nosnippet>35</a><span class="kw">pub enum </span>AllocatorC {
<a href=#36 id=36 data-nosnippet>36</a> Calloc(<span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>(usize, usize) -&gt; <span class="kw-2">*mut </span>u8),
<a href=#37 id=37 data-nosnippet>37</a> Malloc(<span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn</span>(usize) -&gt; <span class="kw-2">*mut </span>u8),
<a href=#38 id=38 data-nosnippet>38</a> Custom(<span class="kw">fn</span>(usize) -&gt; <span class="kw-2">*mut </span>u8),
<a href=#39 id=39 data-nosnippet>39</a>}
<a href=#40 id=40 data-nosnippet>40</a><span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T : <span class="lifetime">'a</span>&gt; CallocBackingStore&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#41 id=41 data-nosnippet>41</a> <span class="kw">pub unsafe fn </span>new(num_elements : usize, alloc : AllocatorC, free : <span class="kw">unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>(<span class="kw-2">*mut </span>u8), should_free : bool) -&gt; <span class="self">Self</span>{
<a href=#42 id=42 data-nosnippet>42</a> <span class="kw">let </span>retval : <span class="kw-2">*mut </span>u8 = <span class="kw">if </span>num_elements == <span class="number">0 </span>{core::ptr::null_mut()} <span class="kw">else </span>{
<a href=#43 id=43 data-nosnippet>43</a> <span class="kw">match </span>alloc {
<a href=#44 id=44 data-nosnippet>44</a> AllocatorC::Calloc(calloc) =&gt; calloc(num_elements, core::mem::size_of::&lt;T&gt;()),
<a href=#45 id=45 data-nosnippet>45</a> AllocatorC::Malloc(malloc) =&gt; malloc(num_elements <span class="kw-2">*</span>core::mem::size_of::&lt;T&gt;()),
<a href=#46 id=46 data-nosnippet>46</a> AllocatorC::Custom(malloc) =&gt; malloc(num_elements <span class="kw-2">*</span>core::mem::size_of::&lt;T&gt;()),
<a href=#47 id=47 data-nosnippet>47</a> }
<a href=#48 id=48 data-nosnippet>48</a> };
<a href=#49 id=49 data-nosnippet>49</a> <span class="kw">if </span>num_elements == <span class="number">0 </span>|| retval.is_null() {
<a href=#50 id=50 data-nosnippet>50</a> <span class="kw">return </span>CallocBackingStore::&lt;<span class="lifetime">'a</span>, T&gt;{
<a href=#51 id=51 data-nosnippet>51</a> raw_data : core::ptr::null_mut(),
<a href=#52 id=52 data-nosnippet>52</a> data : <span class="kw-2">&amp;mut</span>[],
<a href=#53 id=53 data-nosnippet>53</a> free : free,
<a href=#54 id=54 data-nosnippet>54</a> }
<a href=#55 id=55 data-nosnippet>55</a> }
<a href=#56 id=56 data-nosnippet>56</a> <span class="kw">let </span>raw_data : <span class="kw-2">*mut </span>T = core::mem::transmute(retval);
<a href=#57 id=57 data-nosnippet>57</a> <span class="kw">if </span>should_free {
<a href=#58 id=58 data-nosnippet>58</a> <span class="kw">return </span>CallocBackingStore::&lt;<span class="lifetime">'a</span>, T&gt;{
<a href=#59 id=59 data-nosnippet>59</a> raw_data : retval,
<a href=#60 id=60 data-nosnippet>60</a> data : core::slice::from_raw_parts_mut(raw_data,
<a href=#61 id=61 data-nosnippet>61</a> num_elements),
<a href=#62 id=62 data-nosnippet>62</a> free : free,
<a href=#63 id=63 data-nosnippet>63</a> };
<a href=#64 id=64 data-nosnippet>64</a> } <span class="kw">else </span>{
<a href=#65 id=65 data-nosnippet>65</a> <span class="kw">let </span>null_ptr : <span class="kw-2">*const </span>u8 = core::ptr::null();
<a href=#66 id=66 data-nosnippet>66</a> <span class="kw">return </span>CallocBackingStore::&lt;<span class="lifetime">'a</span>, T&gt;{
<a href=#67 id=67 data-nosnippet>67</a> raw_data : core::mem::transmute(null_ptr),<span class="comment">//retval,
<a href=#68 id=68 data-nosnippet>68</a> </span>data : core::slice::from_raw_parts_mut(raw_data,
<a href=#69 id=69 data-nosnippet>69</a> num_elements),
<a href=#70 id=70 data-nosnippet>70</a> free : free,
<a href=#71 id=71 data-nosnippet>71</a> };
<a href=#72 id=72 data-nosnippet>72</a> }
<a href=#73 id=73 data-nosnippet>73</a> }
<a href=#74 id=74 data-nosnippet>74</a>}
<a href=#75 id=75 data-nosnippet>75</a><span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T:<span class="lifetime">'a</span>&gt; Drop <span class="kw">for </span>CallocBackingStore&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#76 id=76 data-nosnippet>76</a> <span class="kw">fn </span>drop(<span class="self">self </span>:<span class="kw-2">&amp;mut </span><span class="self">Self</span>) {
<a href=#77 id=77 data-nosnippet>77</a><span class="comment">// core::mem::forget(core::mem::replace(self.data, &amp;mut[]));
<a href=#78 id=78 data-nosnippet>78</a> </span>core::mem::forget(core::mem::replace(<span class="kw-2">&amp;mut </span><span class="self">self</span>.data, <span class="kw-2">&amp;mut</span>[]));
<a href=#79 id=79 data-nosnippet>79</a> <span class="kw">if </span>!<span class="self">self</span>.raw_data.is_null() {
<a href=#80 id=80 data-nosnippet>80</a> <span class="kw">let </span>local_free = <span class="self">self</span>.free;
<a href=#81 id=81 data-nosnippet>81</a> <span class="kw">unsafe </span>{(local_free)(<span class="self">self</span>.raw_data)};
<a href=#82 id=82 data-nosnippet>82</a>
<a href=#83 id=83 data-nosnippet>83</a> }
<a href=#84 id=84 data-nosnippet>84</a> }
<a href=#85 id=85 data-nosnippet>85</a>}
</code></pre></div></section></main></body></html>

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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/home/newkirk/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-no-stdlib-2.0.4/src/stack_allocator.rs`."><title>stack_allocator.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="alloc_no_stdlib" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../../static.files/src-script-813739b1.js"></script><script defer src="../../src-files.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc src"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><section id="main-content" class="content"><div class="main-heading"><h1><div class="sub-heading">alloc_no_stdlib/</div>stack_allocator.rs</h1><rustdoc-toolbar></rustdoc-toolbar></div><div class="example-wrap digits-3"><pre class="rust"><code><a href=#1 id=1 data-nosnippet>1</a><span class="kw">extern crate </span>core;
<a href=#2 id=2 data-nosnippet>2</a><span class="kw">use </span><span class="kw">super</span>::allocated_memory;
<a href=#3 id=3 data-nosnippet>3</a><span class="kw">use </span><span class="kw">super</span>::allocated_stack_memory::AllocatedStackMemory;
<a href=#4 id=4 data-nosnippet>4</a><span class="kw">use </span><span class="kw">super</span>::SliceWrapper;
<a href=#5 id=5 data-nosnippet>5</a>
<a href=#6 id=6 data-nosnippet>6</a><span class="kw">pub trait </span>Allocator&lt;T&gt; {
<a href=#7 id=7 data-nosnippet>7</a> <span class="kw">type </span>AllocatedMemory : allocated_memory::AllocatedSlice&lt;T&gt;;
<a href=#8 id=8 data-nosnippet>8</a> <span class="kw">fn </span>alloc_cell(<span class="kw-2">&amp;mut </span><span class="self">self</span>, len : usize) -&gt; <span class="self">Self</span>::AllocatedMemory;
<a href=#9 id=9 data-nosnippet>9</a> <span class="kw">fn </span>free_cell(<span class="kw-2">&amp;mut </span><span class="self">self</span>, data : <span class="self">Self</span>::AllocatedMemory);
<a href=#10 id=10 data-nosnippet>10</a>}
<a href=#11 id=11 data-nosnippet>11</a>
<a href=#12 id=12 data-nosnippet>12</a>
<a href=#13 id=13 data-nosnippet>13</a><span class="kw">pub struct </span>StackAllocator&lt;<span class="lifetime">'a</span>,
<a href=#14 id=14 data-nosnippet>14</a> T :<span class="lifetime">'a</span>,
<a href=#15 id=15 data-nosnippet>15</a> U : allocated_memory::AllocatedSlice&lt;<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T]&gt;&gt; {
<a href=#16 id=16 data-nosnippet>16</a> <span class="kw">pub </span>nop : <span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>[T],
<a href=#17 id=17 data-nosnippet>17</a> <span class="kw">pub </span>system_resources : U,
<a href=#18 id=18 data-nosnippet>18</a> <span class="kw">pub </span>free_list_start : usize,
<a href=#19 id=19 data-nosnippet>19</a> <span class="kw">pub </span>free_list_overflow_count : usize,
<a href=#20 id=20 data-nosnippet>20</a> <span class="kw">pub </span>initialize : <span class="kw">fn</span>(<span class="kw-2">&amp;mut</span>[T]),
<a href=#21 id=21 data-nosnippet>21</a>}
<a href=#22 id=22 data-nosnippet>22</a>
<a href=#23 id=23 data-nosnippet>23</a><span class="kw">impl </span>&lt;<span class="lifetime">'a</span>, T : <span class="lifetime">'a</span>, U : allocated_memory::AllocatedSlice&lt;<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut</span>[T]&gt; &gt;
<a href=#24 id=24 data-nosnippet>24</a> StackAllocator &lt;<span class="lifetime">'a</span>, T, U&gt; {
<a href=#25 id=25 data-nosnippet>25</a> <span class="kw">fn </span>clear_if_necessary(<span class="self">self </span>: <span class="kw-2">&amp;</span><span class="self">Self</span>, index : usize, data : AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt;)
<a href=#26 id=26 data-nosnippet>26</a> -&gt; AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#27 id=27 data-nosnippet>27</a> <span class="kw">if </span>index + <span class="number">1 </span>!= <span class="self">self</span>.system_resources.slice().len() {
<a href=#28 id=28 data-nosnippet>28</a> <span class="kw">let </span>fnp = <span class="self">self</span>.initialize;
<a href=#29 id=29 data-nosnippet>29</a> fnp(data.mem);
<a href=#30 id=30 data-nosnippet>30</a> }
<a href=#31 id=31 data-nosnippet>31</a> <span class="kw">return </span>data;
<a href=#32 id=32 data-nosnippet>32</a> }
<a href=#33 id=33 data-nosnippet>33</a>}
<a href=#34 id=34 data-nosnippet>34</a><span class="kw">impl</span>&lt;<span class="lifetime">'a</span>, T : <span class="lifetime">'a</span>, U : allocated_memory::AllocatedSlice&lt;<span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut</span>[T]&gt; &gt;
<a href=#35 id=35 data-nosnippet>35</a> Allocator&lt;T&gt; <span class="kw">for </span>StackAllocator &lt;<span class="lifetime">'a</span>, T, U&gt; {
<a href=#36 id=36 data-nosnippet>36</a> <span class="kw">type </span>AllocatedMemory = AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt;;
<a href=#37 id=37 data-nosnippet>37</a> <span class="kw">fn </span>alloc_cell(<span class="self">self </span>: <span class="kw-2">&amp;mut </span>StackAllocator&lt;<span class="lifetime">'a</span>, T, U&gt;,
<a href=#38 id=38 data-nosnippet>38</a> len : usize) -&gt; AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt; {
<a href=#39 id=39 data-nosnippet>39</a> <span class="kw">if </span>len == <span class="number">0 </span>{
<a href=#40 id=40 data-nosnippet>40</a> <span class="kw">return </span>AllocatedStackMemory::&lt;<span class="lifetime">'a</span>, T&gt;::default();
<a href=#41 id=41 data-nosnippet>41</a> }
<a href=#42 id=42 data-nosnippet>42</a> <span class="kw">let </span><span class="kw-2">mut </span>index : usize = <span class="self">self</span>.free_list_start;
<a href=#43 id=43 data-nosnippet>43</a> <span class="kw">let </span><span class="kw-2">mut </span>found : bool = <span class="bool-val">false</span>;
<a href=#44 id=44 data-nosnippet>44</a> <span class="kw">for </span>free_resource <span class="kw">in </span><span class="self">self</span>.system_resources.slice()[<span class="self">self</span>.free_list_start..].iter() {
<a href=#45 id=45 data-nosnippet>45</a> <span class="kw">if </span>free_resource.len() &gt;= len {
<a href=#46 id=46 data-nosnippet>46</a> found = <span class="bool-val">true</span>;
<a href=#47 id=47 data-nosnippet>47</a> <span class="kw">break</span>;
<a href=#48 id=48 data-nosnippet>48</a> }
<a href=#49 id=49 data-nosnippet>49</a> index += <span class="number">1</span>;
<a href=#50 id=50 data-nosnippet>50</a> }
<a href=#51 id=51 data-nosnippet>51</a> <span class="kw">if </span>!found {
<a href=#52 id=52 data-nosnippet>52</a> <span class="macro">panic!</span>(<span class="string">"OOM"</span>);
<a href=#53 id=53 data-nosnippet>53</a> }
<a href=#54 id=54 data-nosnippet>54</a> <span class="kw">let </span>available_slice = core::mem::replace(<span class="kw-2">&amp;mut </span><span class="self">self</span>.system_resources.slice_mut()[index],
<a href=#55 id=55 data-nosnippet>55</a> <span class="kw-2">&amp;mut</span>[]);
<a href=#56 id=56 data-nosnippet>56</a> <span class="kw">if </span>available_slice.len() == len
<a href=#57 id=57 data-nosnippet>57</a> || (available_slice.len() &lt; len + <span class="number">32
<a href=#58 id=58 data-nosnippet>58</a> </span>&amp;&amp; index + <span class="number">1 </span>!= <span class="self">self</span>.system_resources.slice().len()) {
<a href=#59 id=59 data-nosnippet>59</a> <span class="comment">// we don't want really small wasted slices
<a href=#60 id=60 data-nosnippet>60</a> // we must assign free_list_start
<a href=#61 id=61 data-nosnippet>61</a> </span><span class="kw">if </span><span class="macro">index !</span>= <span class="self">self</span>.free_list_start {
<a href=#62 id=62 data-nosnippet>62</a> <span class="macro">assert!</span>(index &gt; <span class="self">self</span>.free_list_start);
<a href=#63 id=63 data-nosnippet>63</a> <span class="kw">let </span>farthest_free_list = core::mem::replace(
<a href=#64 id=64 data-nosnippet>64</a> <span class="kw-2">&amp;mut </span><span class="self">self</span>.system_resources.slice_mut()[<span class="self">self</span>.free_list_start],
<a href=#65 id=65 data-nosnippet>65</a> <span class="kw-2">&amp;mut </span>[]);
<a href=#66 id=66 data-nosnippet>66</a> <span class="kw">let _ </span>= core::mem::replace(<span class="kw-2">&amp;mut </span><span class="self">self</span>.system_resources.slice_mut()[index],
<a href=#67 id=67 data-nosnippet>67</a> farthest_free_list);
<a href=#68 id=68 data-nosnippet>68</a> }
<a href=#69 id=69 data-nosnippet>69</a> <span class="self">self</span>.free_list_start += <span class="number">1</span>;
<a href=#70 id=70 data-nosnippet>70</a> <span class="kw">return </span><span class="self">self</span>.clear_if_necessary(index,
<a href=#71 id=71 data-nosnippet>71</a> AllocatedStackMemory::&lt;<span class="lifetime">'a</span>, T&gt;{mem:available_slice});
<a href=#72 id=72 data-nosnippet>72</a> } <span class="kw">else </span>{ <span class="comment">// the memory allocated was not the entire range of items. Split and move on
<a href=#73 id=73 data-nosnippet>73</a> </span><span class="kw">let </span>(retval, return_to_sender) = available_slice.split_at_mut(len);
<a href=#74 id=74 data-nosnippet>74</a> <span class="kw">let _ </span>= core::mem::replace(<span class="kw-2">&amp;mut </span><span class="self">self</span>.system_resources.slice_mut()[index], return_to_sender);
<a href=#75 id=75 data-nosnippet>75</a> <span class="kw">return </span><span class="self">self</span>.clear_if_necessary(index, AllocatedStackMemory::&lt;<span class="lifetime">'a</span>, T&gt;{mem:retval});
<a href=#76 id=76 data-nosnippet>76</a> }
<a href=#77 id=77 data-nosnippet>77</a> }
<a href=#78 id=78 data-nosnippet>78</a> <span class="kw">fn </span>free_cell(<span class="self">self </span>: <span class="kw-2">&amp;mut </span>StackAllocator&lt;<span class="lifetime">'a</span>, T, U&gt;,
<a href=#79 id=79 data-nosnippet>79</a> val : AllocatedStackMemory&lt;<span class="lifetime">'a</span>, T&gt;) {
<a href=#80 id=80 data-nosnippet>80</a> <span class="kw">if </span>val.slice().len() == <span class="number">0 </span>{
<a href=#81 id=81 data-nosnippet>81</a> <span class="kw">return</span>;
<a href=#82 id=82 data-nosnippet>82</a> }
<a href=#83 id=83 data-nosnippet>83</a> <span class="kw">if </span><span class="self">self</span>.free_list_start &gt; <span class="number">0 </span>{
<a href=#84 id=84 data-nosnippet>84</a> <span class="self">self</span>.free_list_start -=<span class="number">1</span>;
<a href=#85 id=85 data-nosnippet>85</a> <span class="kw">let _ </span>= core::mem::replace(<span class="kw-2">&amp;mut </span><span class="self">self</span>.system_resources.slice_mut()[<span class="self">self</span>.free_list_start],
<a href=#86 id=86 data-nosnippet>86</a> val.mem);
<a href=#87 id=87 data-nosnippet>87</a>
<a href=#88 id=88 data-nosnippet>88</a> } <span class="kw">else </span>{
<a href=#89 id=89 data-nosnippet>89</a> <span class="kw">for </span>_i <span class="kw">in </span><span class="number">0</span>..<span class="number">3 </span>{
<a href=#90 id=90 data-nosnippet>90</a> <span class="self">self</span>.free_list_overflow_count += <span class="number">1</span>;
<a href=#91 id=91 data-nosnippet>91</a> <span class="self">self</span>.free_list_overflow_count %= <span class="self">self</span>.system_resources.slice().len();
<a href=#92 id=92 data-nosnippet>92</a> <span class="kw">if </span><span class="self">self</span>.system_resources.slice()[<span class="self">self</span>.free_list_overflow_count].len() &lt; val.mem.len() {
<a href=#93 id=93 data-nosnippet>93</a> <span class="kw">let _ </span>= core::mem::replace(<span class="kw-2">&amp;mut </span><span class="self">self</span>.system_resources.slice_mut()[<span class="self">self</span>.free_list_overflow_count],
<a href=#94 id=94 data-nosnippet>94</a> val.mem);
<a href=#95 id=95 data-nosnippet>95</a> <span class="kw">return</span>;
<a href=#96 id=96 data-nosnippet>96</a> }
<a href=#97 id=97 data-nosnippet>97</a> }
<a href=#98 id=98 data-nosnippet>98</a> }
<a href=#99 id=99 data-nosnippet>99</a> }
<a href=#100 id=100 data-nosnippet>100</a>}
</code></pre></div></section></main></body></html>