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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_5f536ab1985a8dcd28bcfd618bc58e92.html">basics</a></li> </ul>
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<div class="title">safe_cast.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Copyright (c) 2018 Ripple Labs Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#ifndef RIPPLE_BASICS_SAFE_CAST_H_INCLUDED</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#define RIPPLE_BASICS_SAFE_CAST_H_INCLUDED</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;ripple/beast/cxx17/type_traits.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/type_traits.html">type_traits</a>&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// safe_cast adds compile-time checks to a static_cast to ensure that</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">// the destination can hold all values of the source. This is particularly</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="comment">// handy when the source or destination is an enumeration type.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">class</span> Dest, <span class="keyword">class</span> Src&gt;</div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="namespaceripple.html#a5adbc123c2d72443b7efd2ab8df961b1"> 33</a></span>&#160;<span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="namespaceripple.html#a5adbc123c2d72443b7efd2ab8df961b1">is_safetocasttovalue_v</a> =</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; ( std::is_integral_v&lt;Src&gt; &amp;&amp;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; std::is_integral_v&lt;Dest&gt; ) &amp;&amp;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; ( <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/is_signed.html">std::is_signed&lt;Src&gt;::value</a> ||</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/is_unsigned.html">std::is_unsigned&lt;Dest&gt;::value</a> ) &amp;&amp;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; ( <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/is_signed.html">std::is_signed&lt;Src&gt;::value</a> !=</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/is_signed.html">std::is_signed&lt;Dest&gt;::value</a> ?</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">sizeof</span>(Dest) &gt; <span class="keyword">sizeof</span>(Src) :</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; sizeof(Dest) &gt;= sizeof(Src) );</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Dest, <span class="keyword">class</span> Src&gt;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="keyword">inline</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;constexpr</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/enable_if.html">std::enable_if_t</a></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;&lt;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; std::is_integral_v&lt;Dest&gt; &amp;&amp; std::is_integral_v&lt;Src&gt;,</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; Dest</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;&gt;</div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="namespaceripple.html#adea557558897534dc8f79edf5f1c10ce"> 51</a></span>&#160;<a class="code" href="namespaceripple.html#a6f30ee31f9359c69a5294921d5c10d0b">safe_cast</a>(Src s) noexcept</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;{</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; static_assert(std::is_signed_v&lt;Dest&gt; || std::is_unsigned_v&lt;Src&gt;,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="stringliteral">&quot;Cannot cast signed to unsigned&quot;</span>);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; constexpr <span class="keywordtype">unsigned</span> not_same = std::is_signed_v&lt;Dest&gt; !=</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; std::is_signed_v&lt;Src&gt;;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; static_assert(<span class="keyword">sizeof</span>(Dest) &gt;= <span class="keyword">sizeof</span>(Src) + not_same,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="stringliteral">&quot;Destination is too small to hold all values of source&quot;</span>);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>Dest<span class="keyword">&gt;</span>(s);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;}</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Dest, <span class="keyword">class</span> Src&gt;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="keyword">inline</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;constexpr</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/enable_if.html">std::enable_if_t</a></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;&lt;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; std::is_enum_v&lt;Dest&gt; &amp;&amp; std::is_integral_v&lt;Src&gt;,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; Dest</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;&gt;</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="namespaceripple.html#aff448b0a13e5ef9852d5f0babe9b652f"> 70</a></span>&#160;<a class="code" href="namespaceripple.html#a6f30ee31f9359c69a5294921d5c10d0b">safe_cast</a>(Src s) noexcept</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;{</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>Dest<span class="keyword">&gt;</span>(safe_cast&lt;std::underlying_type_t&lt;Dest&gt;&gt;(s));</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;}</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Dest, <span class="keyword">class</span> Src&gt;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="keyword">inline</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;constexpr</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/enable_if.html">std::enable_if_t</a></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;&lt;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; std::is_integral_v&lt;Dest&gt; &amp;&amp; std::is_enum_v&lt;Src&gt;,</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; Dest</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;&gt;</div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="namespaceripple.html#a7b6ed7ec53037610b63586067deac297"> 83</a></span>&#160;<a class="code" href="namespaceripple.html#a6f30ee31f9359c69a5294921d5c10d0b">safe_cast</a>(Src s) noexcept</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;{</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> safe_cast&lt;Dest&gt;(<span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/underlying_type.html">std::underlying_type_t&lt;Src&gt;</a><span class="keyword">&gt;</span>(s));</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;}</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="comment">// unsafe_cast explicitly flags a static_cast as not necessarily able to hold</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="comment">// all values of the source. It includes a compile-time check so that if</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment">// underlying types become safe, it can be converted to a safe_cast.</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Dest, <span class="keyword">class</span> Src&gt;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="keyword">inline</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;constexpr</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/enable_if.html">std::enable_if_t</a></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;&lt;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; std::is_integral_v&lt;Dest&gt; &amp;&amp; std::is_integral_v&lt;Src&gt;,</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; Dest</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;&gt;</div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="namespaceripple.html#a00b8e7fcb05c11572966bfd69e50875b"> 100</a></span>&#160;<a class="code" href="namespaceripple.html#a488ed8c31419d36c6f9af5e9eef703a4">unsafe_cast</a>(Src s) noexcept</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;{</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; static_assert(! is_safetocasttovalue_v&lt;Dest, Src&gt;,</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="stringliteral">&quot;Only unsafe if casting signed to unsigned or &quot;</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="stringliteral">&quot;destination is too small&quot;</span>);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>Dest<span class="keyword">&gt;</span>(s);</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;}</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Dest, <span class="keyword">class</span> Src&gt;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="keyword">inline</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;constexpr</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/enable_if.html">std::enable_if_t</a></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;&lt;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; std::is_enum_v&lt;Dest&gt; &amp;&amp; std::is_integral_v&lt;Src&gt;,</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; Dest</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;&gt;</div>
<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="namespaceripple.html#a6c64867b1a08e1d824b905dd8fb1bdb3"> 116</a></span>&#160;<a class="code" href="namespaceripple.html#a488ed8c31419d36c6f9af5e9eef703a4">unsafe_cast</a>(Src s) noexcept</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;{</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>Dest<span class="keyword">&gt;</span>(unsafe_cast&lt;std::underlying_type_t&lt;Dest&gt;&gt;(s));</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;}</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Dest, <span class="keyword">class</span> Src&gt;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="keyword">inline</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;constexpr</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/enable_if.html">std::enable_if_t</a></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;&lt;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; std::is_integral_v&lt;Dest&gt; &amp;&amp; std::is_enum_v&lt;Src&gt;,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; Dest</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;&gt;</div>
<div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="namespaceripple.html#aad552d7b7a1da9debe07ebd21942fd11"> 129</a></span>&#160;<a class="code" href="namespaceripple.html#a488ed8c31419d36c6f9af5e9eef703a4">unsafe_cast</a>(Src s) noexcept</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;{</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keywordflow">return</span> unsafe_cast&lt;Dest&gt;(<span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/underlying_type.html">std::underlying_type_t&lt;Src&gt;</a><span class="keyword">&gt;</span>(s));</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;}</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;} <span class="comment">// ripple</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="ais_signed_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_signed.html">std::is_signed</a></div></div>
<div class="ttc" id="ais_unsigned_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_unsigned.html">std::is_unsigned</a></div></div>
<div class="ttc" id="anamespaceripple_html_a488ed8c31419d36c6f9af5e9eef703a4"><div class="ttname"><a href="namespaceripple.html#a488ed8c31419d36c6f9af5e9eef703a4">ripple::unsafe_cast</a></div><div class="ttdeci">constexpr std::enable_if_t&lt; std::is_same_v&lt; typename Dest::unit_type, typename Src::unit_type &gt; &amp;&amp;std::is_integral_v&lt; typename Dest::value_type &gt; &amp;&amp;std::is_integral_v&lt; typename Src::value_type &gt;, Dest &gt; unsafe_cast(Src s) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="FeeUnits_8h_source.html#l00568">FeeUnits.h:568</a></div></div>
<div class="ttc" id="aunderlying_type_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/underlying_type.html">std::underlying_type_t</a></div></div>
<div class="ttc" id="aenable_if_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/enable_if.html">std::enable_if_t</a></div></div>
<div class="ttc" id="anamespaceripple_html_a6f30ee31f9359c69a5294921d5c10d0b"><div class="ttname"><a href="namespaceripple.html#a6f30ee31f9359c69a5294921d5c10d0b">ripple::safe_cast</a></div><div class="ttdeci">constexpr std::enable_if_t&lt; std::is_same_v&lt; typename Dest::unit_type, typename Src::unit_type &gt; &amp;&amp;std::is_integral_v&lt; typename Dest::value_type &gt; &amp;&amp;std::is_integral_v&lt; typename Src::value_type &gt;, Dest &gt; safe_cast(Src s) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="FeeUnits_8h_source.html#l00553">FeeUnits.h:553</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
<div class="ttc" id="anamespaceripple_html_a5adbc123c2d72443b7efd2ab8df961b1"><div class="ttname"><a href="namespaceripple.html#a5adbc123c2d72443b7efd2ab8df961b1">ripple::is_safetocasttovalue_v</a></div><div class="ttdeci">static constexpr bool is_safetocasttovalue_v</div><div class="ttdef"><b>Definition:</b> <a href="safe__cast_8h_source.html#l00033">safe_cast.h:33</a></div></div>
<div class="ttc" id="atype_traits_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/type_traits.html">type_traits</a></div></div>
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