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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_c99a48b544c789b9448e114002619cfc.html">json</a></li> </ul>
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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) 2023 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_JSON_MULTIVARJSON_H_INCLUDED</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#define RIPPLE_JSON_MULTIVARJSON_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/json/json_value.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/array.html">array</a>&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cassert.html">cassert</a>&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/concepts.html">concepts</a>&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdlib.html">cstdlib</a>&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</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="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a>&gt;</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">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keyword">template</span> &lt;std::<span class="keywordtype">size_t</span> Size&gt;</div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="structripple_1_1MultivarJson.html"> 34</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structripple_1_1MultivarJson.html">MultivarJson</a></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;{</div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="structripple_1_1MultivarJson.html#ad65cd6925a1e4bdd76f46fe46f57b2ac"> 36</a></span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/array.html">std::array&lt;Json::Value, Size&gt;</a> <a class="code" href="structripple_1_1MultivarJson.html#ad65cd6925a1e4bdd76f46fe46f57b2ac">val</a> = {};</div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="structripple_1_1MultivarJson.html#a3ae5ea9936244101bb5d1c8d6e5cfe15"> 37</a></span>&#160; constexpr <span class="keyword">static</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> <a class="code" href="structripple_1_1MultivarJson.html#a3ae5ea9936244101bb5d1c8d6e5cfe15">size</a> = Size;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="structripple_1_1MultivarJson.html#ad82df906a9613476a0f55cfbb4025520"> 39</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="structripple_1_1MultivarJson.html#ad82df906a9613476a0f55cfbb4025520">MultivarJson</a>(<a class="code" href="classJson_1_1Value.html">Json::Value</a> <span class="keyword">const</span>&amp; init = {})</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keywordflow">if</span> (init == <a class="code" href="classJson_1_1Value.html">Json::Value</a>{})</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordflow">return</span>; <span class="comment">// All elements are already default-initialized</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; v : <a class="code" href="structripple_1_1MultivarJson.html#ad65cd6925a1e4bdd76f46fe46f57b2ac">val</a>)</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; v = init;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; }</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <a class="code" href="classJson_1_1Value.html">Json::Value</a> <span class="keyword">const</span>&amp;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; select(<span class="keyword">auto</span>&amp;&amp; selector) <span class="keyword">const</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <a class="code" href="namespaceripple.html#a7796383bfef292efc87ae0c132e4f230">requires</a> std::same_as&lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a>, decltype(selector())&gt;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> index = selector();</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; assert(index &lt; <a class="code" href="structripple_1_1MultivarJson.html#a3ae5ea9936244101bb5d1c8d6e5cfe15">size</a>);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structripple_1_1MultivarJson.html#ad65cd6925a1e4bdd76f46fe46f57b2ac">val</a>[index];</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordtype">void</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <a class="code" href="namespaceripple.html#a53f80df10254751781250aa20704e98f">set</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* key,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span>&amp;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; v) <a class="code" href="namespaceripple.html#a7796383bfef292efc87ae0c132e4f230">requires</a> std::constructible_from&lt;<a class="code" href="classJson_1_1Value.html">Json::Value</a>, decltype(v)&gt;</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; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; a : this-&gt;val)</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; a[key] = v;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="comment">// Intentionally not using class enum here, MultivarJson is scope enough</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">enum</span> IsMemberResult : <span class="keywordtype">int</span> { none = 0, <a class="code" href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66cca03d59e663c1af9ac33a9949d1193505a">some</a>, <a class="code" href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66ccaa181a603769c1f98ad927e7367c7aa51">all</a> };</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; [[nodiscard]] IsMemberResult</div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="structripple_1_1MultivarJson.html#a4cda981af18d627da264d20f7a87711b"> 69</a></span>&#160; <a class="code" href="structripple_1_1MultivarJson.html#a4cda981af18d627da264d20f7a87711b">isMember</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* key)<span class="keyword"> const</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordtype">int</span> count = 0;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; a : this-&gt;val)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordflow">if</span> (a.isMember(key))</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; count += 1;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">return</span> (count == 0 ? none : (count &lt; <a class="code" href="structripple_1_1MultivarJson.html#a3ae5ea9936244101bb5d1c8d6e5cfe15">size</a> ? <a class="code" href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66cca03d59e663c1af9ac33a9949d1193505a">some</a> : <a class="code" href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66ccaa181a603769c1f98ad927e7367c7aa51">all</a>));</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;};</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="comment">// Wrapper for Json for all supported API versions.</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="namespaceripple.html#a71a4593f7a1575e62a4823d7b25acde9"> 81</a></span>&#160;<span class="keyword">using</span> <a class="code" href="structripple_1_1MultivarJson.html">MultiApiJson</a> = <a class="code" href="structripple_1_1MultivarJson.html">MultivarJson&lt;3&gt;</a>;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;<span class="comment">NOTE:</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="comment">If a future API version change adds another possible format, change the size of</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="comment">`MultiApiJson`, and update `apiVersionSelector()` to return the appropriate</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="comment">selection value for the new `apiVersion` and higher.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment">The more different JSON formats we support, the more CPU cycles we need to</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="comment">prepare JSON for different API versions e.g. when publishing streams to</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="comment">`subscribe` clients. Hence it is desirable to keep MultiApiJson small and</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="comment">instead fully deprecate and remove support for old API versions. For example, if</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="comment">we removed support for API version 1 and added a different format for API</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="comment">version 3, the `apiVersionSelector` would change to</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment">`static_cast&lt;std::size_t&gt;(apiVersion &gt; 2)`</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="comment">Such hypothetical change should correspond with change in RPCHelpers.h</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="comment">`apiMinimumSupportedVersion = 2;`</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="comment">// Helper to create appropriate selector for indexing MultiApiJson by apiVersion</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;constexpr <span class="keyword">auto</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="namespaceripple.html#a519cd620ba800774f42d2bac371cc20b"> 106</a></span>&#160;<a class="code" href="namespaceripple.html#a519cd620ba800774f42d2bac371cc20b">apiVersionSelector</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> apiVersion) noexcept</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="keywordflow">return</span> [apiVersion]() constexpr</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a><span class="keyword">&gt;</span>(</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; apiVersion &lt;= 1 <span class="comment">//</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; ? 0 <span class="comment">//</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; : (apiVersion &lt;= 2 <span class="comment">//</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; ? 1 <span class="comment">//</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; : 2));</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; };</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; </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="comment">// Helper to execute a callback for every version. Want both min and max version</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="comment">// provided explicitly, so user will know to do update `size` when they change</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="keyword">template</span> &lt;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> minVer,</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> maxVer,</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/size_t.html">std::size_t</a> size,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keyword">typename</span> Fn&gt;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <a class="code" href="namespaceripple.html#a7796383bfef292efc87ae0c132e4f230">requires</a> <span class="comment">//</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; (maxVer &gt;= minVer) &amp;&amp; <span class="comment">//</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; (size == maxVer + 1 - minVer) &amp;&amp; <span class="comment">//</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; (<a class="code" href="namespaceripple.html#a519cd620ba800774f42d2bac371cc20b">apiVersionSelector</a>(minVer)() == 0) &amp;&amp; <span class="comment">//</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; (<a class="code" href="namespaceripple.html#a519cd620ba800774f42d2bac371cc20b">apiVersionSelector</a>(maxVer)() + 1 == size) &amp;&amp; <span class="comment">//</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <a class="code" href="namespaceripple.html#a7796383bfef292efc87ae0c132e4f230">requires</a>(<a class="code" href="classJson_1_1Value.html">Json::Value</a>&amp; json, Fn fn)</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; fn(json, <span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">&gt;</span>(1));</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;}</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;<span class="keywordtype">void</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/variant/visit.html">visit</a>(MultivarJson&lt;size&gt;&amp; json, Fn fn)</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;{</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; [&amp;]&lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a>... offset&gt;(<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/integer_sequence.html">std::index_sequence</a>&lt;offset...&gt;)</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; static_assert(((<a class="code" href="namespaceripple.html#a519cd620ba800774f42d2bac371cc20b">apiVersionSelector</a>(minVer + offset)() &gt;= 0) &amp;&amp; ...));</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; static_assert(((<a class="code" href="namespaceripple.html#a519cd620ba800774f42d2bac371cc20b">apiVersionSelector</a>(minVer + offset)() &lt; size) &amp;&amp; ...));</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; (fn(json.val[<a class="code" href="namespaceripple.html#a519cd620ba800774f42d2bac371cc20b">apiVersionSelector</a>(minVer + offset)()], minVer + offset),</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; ...);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; (<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/integer_sequence.html">std::make_index_sequence&lt;size&gt;</a>{});</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;}</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;} <span class="comment">// namespace ripple</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;<span class="preprocessor">#endif</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructripple_1_1MultivarJson_html_a4cda981af18d627da264d20f7a87711b"><div class="ttname"><a href="structripple_1_1MultivarJson.html#a4cda981af18d627da264d20f7a87711b">ripple::MultivarJson::isMember</a></div><div class="ttdeci">Json::Value const &amp;select(auto &amp;&amp;selector) const requires std IsMemberResult isMember(const char *key) const</div><div class="ttdef"><b>Definition:</b> <a href="MultivarJson_8h_source.html#l00069">MultivarJson.h:69</a></div></div>
<div class="ttc" id="astructripple_1_1MultivarJson_html_a3ae5ea9936244101bb5d1c8d6e5cfe15"><div class="ttname"><a href="structripple_1_1MultivarJson.html#a3ae5ea9936244101bb5d1c8d6e5cfe15">ripple::MultivarJson::size</a></div><div class="ttdeci">constexpr static std::size_t size</div><div class="ttdef"><b>Definition:</b> <a href="MultivarJson_8h_source.html#l00037">MultivarJson.h:37</a></div></div>
<div class="ttc" id="autility_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/utility.html">utility</a></div></div>
<div class="ttc" id="ainteger_sequence_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/integer_sequence.html">std::index_sequence</a></div></div>
<div class="ttc" id="astructripple_1_1MultivarJson_html_ad65cd6925a1e4bdd76f46fe46f57b2ac"><div class="ttname"><a href="structripple_1_1MultivarJson.html#ad65cd6925a1e4bdd76f46fe46f57b2ac">ripple::MultivarJson::val</a></div><div class="ttdeci">std::array&lt; Json::Value, Size &gt; val</div><div class="ttdef"><b>Definition:</b> <a href="MultivarJson_8h_source.html#l00036">MultivarJson.h:36</a></div></div>
<div class="ttc" id="anamespaceripple_html_a7ffb3f54d739bb8f967d695f08fb66ccaa181a603769c1f98ad927e7367c7aa51"><div class="ttname"><a href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66ccaa181a603769c1f98ad927e7367c7aa51">ripple::TxSearched::all</a></div><div class="ttdeci">@ all</div></div>
<div class="ttc" id="anamespaceripple_html_a7796383bfef292efc87ae0c132e4f230"><div class="ttname"><a href="namespaceripple.html#a7796383bfef292efc87ae0c132e4f230">ripple::requires</a></div><div class="ttdeci">requires(T::ConsequencesFactory==Transactor::Normal) TxConsequences consequences_helper(PreflightContext const &amp;ctx)</div><div class="ttdef"><b>Definition:</b> <a href="applySteps_8cpp_source.html#l00187">applySteps.cpp:187</a></div></div>
<div class="ttc" id="aconcepts_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/concepts.html">concepts</a></div></div>
<div class="ttc" id="anamespaceripple_html_a53f80df10254751781250aa20704e98f"><div class="ttname"><a href="namespaceripple.html#a53f80df10254751781250aa20704e98f">ripple::set</a></div><div class="ttdeci">bool set(T &amp;target, std::string const &amp;name, Section const &amp;section)</div><div class="ttdoc">Set a value from a configuration Section If the named value is not found or doesn't parse as a T,...</div><div class="ttdef"><b>Definition:</b> <a href="BasicConfig_8h_source.html#l00313">BasicConfig.h:313</a></div></div>
<div class="ttc" id="aarray_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/array.html">array</a></div></div>
<div class="ttc" id="anamespaceripple_html_a519cd620ba800774f42d2bac371cc20b"><div class="ttname"><a href="namespaceripple.html#a519cd620ba800774f42d2bac371cc20b">ripple::apiVersionSelector</a></div><div class="ttdeci">constexpr auto apiVersionSelector(unsigned int apiVersion) noexcept</div><div class="ttdef"><b>Definition:</b> <a href="MultivarJson_8h_source.html#l00106">MultivarJson.h:106</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="acstdlib_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstdlib.html">cstdlib</a></div></div>
<div class="ttc" id="acassert_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cassert.html">cassert</a></div></div>
<div class="ttc" id="astructripple_1_1MultivarJson_html_ad82df906a9613476a0f55cfbb4025520"><div class="ttname"><a href="structripple_1_1MultivarJson.html#ad82df906a9613476a0f55cfbb4025520">ripple::MultivarJson::MultivarJson</a></div><div class="ttdeci">MultivarJson(Json::Value const &amp;init={})</div><div class="ttdef"><b>Definition:</b> <a href="MultivarJson_8h_source.html#l00039">MultivarJson.h:39</a></div></div>
<div class="ttc" id="avisit_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/variant/visit.html">std::visit</a></div><div class="ttdeci">T visit(T... args)</div></div>
<div class="ttc" id="asize_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div></div>
<div class="ttc" id="astructripple_1_1MultivarJson_html"><div class="ttname"><a href="structripple_1_1MultivarJson.html">ripple::MultivarJson</a></div><div class="ttdef"><b>Definition:</b> <a href="MultivarJson_8h_source.html#l00034">MultivarJson.h:34</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>
<div class="ttc" id="anamespaceripple_html_a7ffb3f54d739bb8f967d695f08fb66cca03d59e663c1af9ac33a9949d1193505a"><div class="ttname"><a href="namespaceripple.html#a7ffb3f54d739bb8f967d695f08fb66cca03d59e663c1af9ac33a9949d1193505a">ripple::TxSearched::some</a></div><div class="ttdeci">@ some</div></div>
<div class="ttc" id="aclassJson_1_1Value_html"><div class="ttname"><a href="classJson_1_1Value.html">Json::Value</a></div><div class="ttdoc">Represents a JSON value.</div><div class="ttdef"><b>Definition:</b> <a href="json__value_8h_source.html#l00145">json_value.h:145</a></div></div>
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