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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/tinystr-0.8.2/src/asciibyte.rs`."><title>asciibyte.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="tinystr" 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">tinystr/</div>asciibyte.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="comment">// This file is part of ICU4X. For terms of use, please see the file
<a href=#2 id=2 data-nosnippet>2</a>// called LICENSE at the top level of the ICU4X source tree
<a href=#3 id=3 data-nosnippet>3</a>// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
<a href=#4 id=4 data-nosnippet>4</a>
<a href=#5 id=5 data-nosnippet>5</a></span><span class="attr">#[repr(u8)]
<a href=#6 id=6 data-nosnippet>6</a>#[allow(dead_code)]
<a href=#7 id=7 data-nosnippet>7</a>#[derive(PartialEq, Eq, Ord, PartialOrd, Copy, Clone, Hash)]
<a href=#8 id=8 data-nosnippet>8</a></span><span class="kw">pub enum </span>AsciiByte {
<a href=#9 id=9 data-nosnippet>9</a> B0 = <span class="number">0</span>,
<a href=#10 id=10 data-nosnippet>10</a> B1 = <span class="number">1</span>,
<a href=#11 id=11 data-nosnippet>11</a> B2 = <span class="number">2</span>,
<a href=#12 id=12 data-nosnippet>12</a> B3 = <span class="number">3</span>,
<a href=#13 id=13 data-nosnippet>13</a> B4 = <span class="number">4</span>,
<a href=#14 id=14 data-nosnippet>14</a> B5 = <span class="number">5</span>,
<a href=#15 id=15 data-nosnippet>15</a> B6 = <span class="number">6</span>,
<a href=#16 id=16 data-nosnippet>16</a> B7 = <span class="number">7</span>,
<a href=#17 id=17 data-nosnippet>17</a> B8 = <span class="number">8</span>,
<a href=#18 id=18 data-nosnippet>18</a> B9 = <span class="number">9</span>,
<a href=#19 id=19 data-nosnippet>19</a> B10 = <span class="number">10</span>,
<a href=#20 id=20 data-nosnippet>20</a> B11 = <span class="number">11</span>,
<a href=#21 id=21 data-nosnippet>21</a> B12 = <span class="number">12</span>,
<a href=#22 id=22 data-nosnippet>22</a> B13 = <span class="number">13</span>,
<a href=#23 id=23 data-nosnippet>23</a> B14 = <span class="number">14</span>,
<a href=#24 id=24 data-nosnippet>24</a> B15 = <span class="number">15</span>,
<a href=#25 id=25 data-nosnippet>25</a> B16 = <span class="number">16</span>,
<a href=#26 id=26 data-nosnippet>26</a> B17 = <span class="number">17</span>,
<a href=#27 id=27 data-nosnippet>27</a> B18 = <span class="number">18</span>,
<a href=#28 id=28 data-nosnippet>28</a> B19 = <span class="number">19</span>,
<a href=#29 id=29 data-nosnippet>29</a> B20 = <span class="number">20</span>,
<a href=#30 id=30 data-nosnippet>30</a> B21 = <span class="number">21</span>,
<a href=#31 id=31 data-nosnippet>31</a> B22 = <span class="number">22</span>,
<a href=#32 id=32 data-nosnippet>32</a> B23 = <span class="number">23</span>,
<a href=#33 id=33 data-nosnippet>33</a> B24 = <span class="number">24</span>,
<a href=#34 id=34 data-nosnippet>34</a> B25 = <span class="number">25</span>,
<a href=#35 id=35 data-nosnippet>35</a> B26 = <span class="number">26</span>,
<a href=#36 id=36 data-nosnippet>36</a> B27 = <span class="number">27</span>,
<a href=#37 id=37 data-nosnippet>37</a> B28 = <span class="number">28</span>,
<a href=#38 id=38 data-nosnippet>38</a> B29 = <span class="number">29</span>,
<a href=#39 id=39 data-nosnippet>39</a> B30 = <span class="number">30</span>,
<a href=#40 id=40 data-nosnippet>40</a> B31 = <span class="number">31</span>,
<a href=#41 id=41 data-nosnippet>41</a> B32 = <span class="number">32</span>,
<a href=#42 id=42 data-nosnippet>42</a> B33 = <span class="number">33</span>,
<a href=#43 id=43 data-nosnippet>43</a> B34 = <span class="number">34</span>,
<a href=#44 id=44 data-nosnippet>44</a> B35 = <span class="number">35</span>,
<a href=#45 id=45 data-nosnippet>45</a> B36 = <span class="number">36</span>,
<a href=#46 id=46 data-nosnippet>46</a> B37 = <span class="number">37</span>,
<a href=#47 id=47 data-nosnippet>47</a> B38 = <span class="number">38</span>,
<a href=#48 id=48 data-nosnippet>48</a> B39 = <span class="number">39</span>,
<a href=#49 id=49 data-nosnippet>49</a> B40 = <span class="number">40</span>,
<a href=#50 id=50 data-nosnippet>50</a> B41 = <span class="number">41</span>,
<a href=#51 id=51 data-nosnippet>51</a> B42 = <span class="number">42</span>,
<a href=#52 id=52 data-nosnippet>52</a> B43 = <span class="number">43</span>,
<a href=#53 id=53 data-nosnippet>53</a> B44 = <span class="number">44</span>,
<a href=#54 id=54 data-nosnippet>54</a> B45 = <span class="number">45</span>,
<a href=#55 id=55 data-nosnippet>55</a> B46 = <span class="number">46</span>,
<a href=#56 id=56 data-nosnippet>56</a> B47 = <span class="number">47</span>,
<a href=#57 id=57 data-nosnippet>57</a> B48 = <span class="number">48</span>,
<a href=#58 id=58 data-nosnippet>58</a> B49 = <span class="number">49</span>,
<a href=#59 id=59 data-nosnippet>59</a> B50 = <span class="number">50</span>,
<a href=#60 id=60 data-nosnippet>60</a> B51 = <span class="number">51</span>,
<a href=#61 id=61 data-nosnippet>61</a> B52 = <span class="number">52</span>,
<a href=#62 id=62 data-nosnippet>62</a> B53 = <span class="number">53</span>,
<a href=#63 id=63 data-nosnippet>63</a> B54 = <span class="number">54</span>,
<a href=#64 id=64 data-nosnippet>64</a> B55 = <span class="number">55</span>,
<a href=#65 id=65 data-nosnippet>65</a> B56 = <span class="number">56</span>,
<a href=#66 id=66 data-nosnippet>66</a> B57 = <span class="number">57</span>,
<a href=#67 id=67 data-nosnippet>67</a> B58 = <span class="number">58</span>,
<a href=#68 id=68 data-nosnippet>68</a> B59 = <span class="number">59</span>,
<a href=#69 id=69 data-nosnippet>69</a> B60 = <span class="number">60</span>,
<a href=#70 id=70 data-nosnippet>70</a> B61 = <span class="number">61</span>,
<a href=#71 id=71 data-nosnippet>71</a> B62 = <span class="number">62</span>,
<a href=#72 id=72 data-nosnippet>72</a> B63 = <span class="number">63</span>,
<a href=#73 id=73 data-nosnippet>73</a> B64 = <span class="number">64</span>,
<a href=#74 id=74 data-nosnippet>74</a> B65 = <span class="number">65</span>,
<a href=#75 id=75 data-nosnippet>75</a> B66 = <span class="number">66</span>,
<a href=#76 id=76 data-nosnippet>76</a> B67 = <span class="number">67</span>,
<a href=#77 id=77 data-nosnippet>77</a> B68 = <span class="number">68</span>,
<a href=#78 id=78 data-nosnippet>78</a> B69 = <span class="number">69</span>,
<a href=#79 id=79 data-nosnippet>79</a> B70 = <span class="number">70</span>,
<a href=#80 id=80 data-nosnippet>80</a> B71 = <span class="number">71</span>,
<a href=#81 id=81 data-nosnippet>81</a> B72 = <span class="number">72</span>,
<a href=#82 id=82 data-nosnippet>82</a> B73 = <span class="number">73</span>,
<a href=#83 id=83 data-nosnippet>83</a> B74 = <span class="number">74</span>,
<a href=#84 id=84 data-nosnippet>84</a> B75 = <span class="number">75</span>,
<a href=#85 id=85 data-nosnippet>85</a> B76 = <span class="number">76</span>,
<a href=#86 id=86 data-nosnippet>86</a> B77 = <span class="number">77</span>,
<a href=#87 id=87 data-nosnippet>87</a> B78 = <span class="number">78</span>,
<a href=#88 id=88 data-nosnippet>88</a> B79 = <span class="number">79</span>,
<a href=#89 id=89 data-nosnippet>89</a> B80 = <span class="number">80</span>,
<a href=#90 id=90 data-nosnippet>90</a> B81 = <span class="number">81</span>,
<a href=#91 id=91 data-nosnippet>91</a> B82 = <span class="number">82</span>,
<a href=#92 id=92 data-nosnippet>92</a> B83 = <span class="number">83</span>,
<a href=#93 id=93 data-nosnippet>93</a> B84 = <span class="number">84</span>,
<a href=#94 id=94 data-nosnippet>94</a> B85 = <span class="number">85</span>,
<a href=#95 id=95 data-nosnippet>95</a> B86 = <span class="number">86</span>,
<a href=#96 id=96 data-nosnippet>96</a> B87 = <span class="number">87</span>,
<a href=#97 id=97 data-nosnippet>97</a> B88 = <span class="number">88</span>,
<a href=#98 id=98 data-nosnippet>98</a> B89 = <span class="number">89</span>,
<a href=#99 id=99 data-nosnippet>99</a> B90 = <span class="number">90</span>,
<a href=#100 id=100 data-nosnippet>100</a> B91 = <span class="number">91</span>,
<a href=#101 id=101 data-nosnippet>101</a> B92 = <span class="number">92</span>,
<a href=#102 id=102 data-nosnippet>102</a> B93 = <span class="number">93</span>,
<a href=#103 id=103 data-nosnippet>103</a> B94 = <span class="number">94</span>,
<a href=#104 id=104 data-nosnippet>104</a> B95 = <span class="number">95</span>,
<a href=#105 id=105 data-nosnippet>105</a> B96 = <span class="number">96</span>,
<a href=#106 id=106 data-nosnippet>106</a> B97 = <span class="number">97</span>,
<a href=#107 id=107 data-nosnippet>107</a> B98 = <span class="number">98</span>,
<a href=#108 id=108 data-nosnippet>108</a> B99 = <span class="number">99</span>,
<a href=#109 id=109 data-nosnippet>109</a> B100 = <span class="number">100</span>,
<a href=#110 id=110 data-nosnippet>110</a> B101 = <span class="number">101</span>,
<a href=#111 id=111 data-nosnippet>111</a> B102 = <span class="number">102</span>,
<a href=#112 id=112 data-nosnippet>112</a> B103 = <span class="number">103</span>,
<a href=#113 id=113 data-nosnippet>113</a> B104 = <span class="number">104</span>,
<a href=#114 id=114 data-nosnippet>114</a> B105 = <span class="number">105</span>,
<a href=#115 id=115 data-nosnippet>115</a> B106 = <span class="number">106</span>,
<a href=#116 id=116 data-nosnippet>116</a> B107 = <span class="number">107</span>,
<a href=#117 id=117 data-nosnippet>117</a> B108 = <span class="number">108</span>,
<a href=#118 id=118 data-nosnippet>118</a> B109 = <span class="number">109</span>,
<a href=#119 id=119 data-nosnippet>119</a> B110 = <span class="number">110</span>,
<a href=#120 id=120 data-nosnippet>120</a> B111 = <span class="number">111</span>,
<a href=#121 id=121 data-nosnippet>121</a> B112 = <span class="number">112</span>,
<a href=#122 id=122 data-nosnippet>122</a> B113 = <span class="number">113</span>,
<a href=#123 id=123 data-nosnippet>123</a> B114 = <span class="number">114</span>,
<a href=#124 id=124 data-nosnippet>124</a> B115 = <span class="number">115</span>,
<a href=#125 id=125 data-nosnippet>125</a> B116 = <span class="number">116</span>,
<a href=#126 id=126 data-nosnippet>126</a> B117 = <span class="number">117</span>,
<a href=#127 id=127 data-nosnippet>127</a> B118 = <span class="number">118</span>,
<a href=#128 id=128 data-nosnippet>128</a> B119 = <span class="number">119</span>,
<a href=#129 id=129 data-nosnippet>129</a> B120 = <span class="number">120</span>,
<a href=#130 id=130 data-nosnippet>130</a> B121 = <span class="number">121</span>,
<a href=#131 id=131 data-nosnippet>131</a> B122 = <span class="number">122</span>,
<a href=#132 id=132 data-nosnippet>132</a> B123 = <span class="number">123</span>,
<a href=#133 id=133 data-nosnippet>133</a> B124 = <span class="number">124</span>,
<a href=#134 id=134 data-nosnippet>134</a> B125 = <span class="number">125</span>,
<a href=#135 id=135 data-nosnippet>135</a> B126 = <span class="number">126</span>,
<a href=#136 id=136 data-nosnippet>136</a> B127 = <span class="number">127</span>,
<a href=#137 id=137 data-nosnippet>137</a>}
<a href=#138 id=138 data-nosnippet>138</a>
<a href=#139 id=139 data-nosnippet>139</a><span class="kw">impl </span>AsciiByte {
<a href=#140 id=140 data-nosnippet>140</a> <span class="doccomment">/// Convert [u8; N] to [AsciiByte; N]
<a href=#141 id=141 data-nosnippet>141</a> ///
<a href=#142 id=142 data-nosnippet>142</a> /// # Safety
<a href=#143 id=143 data-nosnippet>143</a> ///
<a href=#144 id=144 data-nosnippet>144</a> /// All bytes MUST be in the range 0 to 127 inclusive.
<a href=#145 id=145 data-nosnippet>145</a> </span><span class="attr">#[inline]
<a href=#146 id=146 data-nosnippet>146</a> </span><span class="kw">pub const unsafe fn </span>to_ascii_byte_array&lt;<span class="kw">const </span>N: usize&gt;(bytes: <span class="kw-2">&amp;</span>[u8; N]) -&gt; [AsciiByte; N] {
<a href=#147 id=147 data-nosnippet>147</a> <span class="kw-2">*</span>(bytes <span class="kw">as </span><span class="kw-2">*const </span>[u8; N] <span class="kw">as </span><span class="kw-2">*const </span>[AsciiByte; N])
<a href=#148 id=148 data-nosnippet>148</a> }
<a href=#149 id=149 data-nosnippet>149</a>
<a href=#150 id=150 data-nosnippet>150</a> <span class="attr">#[inline]
<a href=#151 id=151 data-nosnippet>151</a> </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>from_decimal_digit(digit: u8) -&gt; AsciiByte {
<a href=#152 id=152 data-nosnippet>152</a> <span class="comment">// Note: This code optimizes nicely with no branches.
<a href=#153 id=153 data-nosnippet>153</a> </span><span class="kw">match </span>digit {
<a href=#154 id=154 data-nosnippet>154</a> <span class="number">0 </span>=&gt; AsciiByte::B48,
<a href=#155 id=155 data-nosnippet>155</a> <span class="number">1 </span>=&gt; AsciiByte::B49,
<a href=#156 id=156 data-nosnippet>156</a> <span class="number">2 </span>=&gt; AsciiByte::B50,
<a href=#157 id=157 data-nosnippet>157</a> <span class="number">3 </span>=&gt; AsciiByte::B51,
<a href=#158 id=158 data-nosnippet>158</a> <span class="number">4 </span>=&gt; AsciiByte::B52,
<a href=#159 id=159 data-nosnippet>159</a> <span class="number">5 </span>=&gt; AsciiByte::B53,
<a href=#160 id=160 data-nosnippet>160</a> <span class="number">6 </span>=&gt; AsciiByte::B54,
<a href=#161 id=161 data-nosnippet>161</a> <span class="number">7 </span>=&gt; AsciiByte::B55,
<a href=#162 id=162 data-nosnippet>162</a> <span class="number">8 </span>=&gt; AsciiByte::B56,
<a href=#163 id=163 data-nosnippet>163</a> <span class="number">9 </span>=&gt; AsciiByte::B57,
<a href=#164 id=164 data-nosnippet>164</a> <span class="kw">_ </span>=&gt; {
<a href=#165 id=165 data-nosnippet>165</a> <span class="macro">debug_assert!</span>(<span class="bool-val">false</span>, <span class="string">"not a single digit: {digit}"</span>);
<a href=#166 id=166 data-nosnippet>166</a> AsciiByte::B32 <span class="comment">// Space
<a href=#167 id=167 data-nosnippet>167</a> </span>}
<a href=#168 id=168 data-nosnippet>168</a> }
<a href=#169 id=169 data-nosnippet>169</a> }
<a href=#170 id=170 data-nosnippet>170</a>}
</code></pre></div></section></main></body></html>