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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">Expected.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) 2021 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_EXPECTED_H_INCLUDED</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#define RIPPLE_BASICS_EXPECTED_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/basics/contract.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;boost/outcome.hpp&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; </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/stdexcept.html">stdexcept</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; </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="comment">// Exception thrown by an invalid access to Expected.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structripple_1_1bad__expected__access.html"> 41</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structripple_1_1bad__expected__access.html">bad_expected_access</a> : <span class="keyword">public</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/error/runtime_error.html">std::runtime_error</a></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"><a class="line" href="structripple_1_1bad__expected__access.html#a592ea0bca772ffe048f0ab819664ebb8"> 43</a></span>&#160; <a class="code" href="structripple_1_1bad__expected__access.html#a592ea0bca772ffe048f0ab819664ebb8">bad_expected_access</a>() : <a class="codeRef" href="http://en.cppreference.com/w/cpp/error/runtime_error.html">runtime_error</a>(<span class="stringliteral">&quot;bad expected access&quot;</span>)</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; {</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; </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">namespace </span>detail {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="comment">// Custom policy for Expected. Always throw on an invalid access.</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structripple_1_1detail_1_1throw__policy.html"> 51</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structripple_1_1detail_1_1throw__policy.html">throw_policy</a> : <span class="keyword">public</span> boost::outcome_v2::policy::base</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; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Impl&gt;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">static</span> constexpr <span class="keywordtype">void</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="structripple_1_1detail_1_1throw__policy.html#ab75cd8dd53cf58bd8db58e145a0aea0d"> 55</a></span>&#160; <a class="code" href="structripple_1_1detail_1_1throw__policy.html#ab75cd8dd53cf58bd8db58e145a0aea0d">wide_value_check</a>(Impl&amp;&amp; <span class="keyword">self</span>)</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">if</span> (!base::_has_value(std::forward&lt;Impl&gt;(<span class="keyword">self</span>)))</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; Throw&lt;bad_expected_access&gt;();</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; }</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="keyword">template</span> &lt;<span class="keyword">class</span> Impl&gt;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">static</span> constexpr <span class="keywordtype">void</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structripple_1_1detail_1_1throw__policy.html#ad3bdd51235a03c98c878a539077c72ee"> 63</a></span>&#160; <a class="code" href="structripple_1_1detail_1_1throw__policy.html#ad3bdd51235a03c98c878a539077c72ee">wide_error_check</a>(Impl&amp;&amp; <span class="keyword">self</span>)</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="keywordflow">if</span> (!base::_has_error(std::forward&lt;Impl&gt;(<span class="keyword">self</span>)))</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; Throw&lt;bad_expected_access&gt;();</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; </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> Impl&gt;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">static</span> constexpr <span class="keywordtype">void</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="structripple_1_1detail_1_1throw__policy.html#a03d726557cc40c676e99ecd0e2c658c0"> 71</a></span>&#160; <a class="code" href="structripple_1_1detail_1_1throw__policy.html#a03d726557cc40c676e99ecd0e2c658c0">wide_exception_check</a>(Impl&amp;&amp; <span class="keyword">self</span>)</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordflow">if</span> (!base::_has_exception(std::forward&lt;Impl&gt;(<span class="keyword">self</span>)))</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; Throw&lt;bad_expected_access&gt;();</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;};</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;} <span class="comment">// namespace detail</span></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">// Definition of Unexpected, which is used to construct the unexpected</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="comment">// return type of an Expected.</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> E&gt;</div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classripple_1_1Unexpected.html"> 83</a></span>&#160;<span class="keyword">class </span><a class="code" href="classripple_1_1Unexpected.html">Unexpected</a></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="keyword">public</span>:</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; static_assert(!<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same&lt;E, void&gt;::value</a>, <span class="stringliteral">&quot;E must not be void&quot;</span>);</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; <a class="code" href="classripple_1_1Unexpected.html#ae84f51e4038d4ba8c436d2aa90a33ae8">Unexpected</a>() = <span class="keyword">delete</span>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classripple_1_1Unexpected.html#a8139a951450ea521bb2321a4f2417dce"> 90</a></span>&#160; constexpr <span class="keyword">explicit</span> <a class="code" href="classripple_1_1Unexpected.html#a8139a951450ea521bb2321a4f2417dce">Unexpected</a>(E <span class="keyword">const</span>&amp; e) : <a class="code" href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5">val_</a>(e)</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; }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; </div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classripple_1_1Unexpected.html#af2f4eee2862f4eab830c32717c524527"> 94</a></span>&#160; constexpr <span class="keyword">explicit</span> <a class="code" href="classripple_1_1Unexpected.html#af2f4eee2862f4eab830c32717c524527">Unexpected</a>(E&amp;&amp; e) : <a class="code" href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5">val_</a>(<a class="code" href="namespacestd.html">std</a>::move(e))</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; constexpr <span class="keyword">const</span> E&amp;</div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classripple_1_1Unexpected.html#a57b869ec1d216525e83eb446b4d8641d"> 99</a></span>&#160; <a class="code" href="classripple_1_1Unexpected.html#a57b869ec1d216525e83eb446b4d8641d">value</a>() const&amp;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5">val_</a>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</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; constexpr E&amp;</div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="classripple_1_1Unexpected.html#ae1ddc18882edc901c025a6ac4c6dc899"> 105</a></span>&#160; <a class="code" href="classripple_1_1Unexpected.html#ae1ddc18882edc901c025a6ac4c6dc899">value</a>() &amp;</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; <span class="keywordflow">return</span> <a class="code" href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5">val_</a>;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; }</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; constexpr E&amp;&amp;</div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="classripple_1_1Unexpected.html#a0b8d6c6ebdbb2880976c538e7cceaa71"> 111</a></span>&#160; <a class="code" href="classripple_1_1Unexpected.html#a0b8d6c6ebdbb2880976c538e7cceaa71">value</a>() &amp;&amp;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">return</span> std::move(<a class="code" href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5">val_</a>);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; constexpr <span class="keyword">const</span> E&amp;&amp;</div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="classripple_1_1Unexpected.html#a38a0475a52e63d4f2a8bde3438189e90"> 117</a></span>&#160; <a class="code" href="classripple_1_1Unexpected.html#a38a0475a52e63d4f2a8bde3438189e90">value</a>() const&amp;&amp;</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="keywordflow">return</span> std::move(<a class="code" href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5">val_</a>);</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; </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5"> 123</a></span>&#160; E <a class="code" href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5">val_</a>;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;};</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="comment">// Unexpected deduction guide that converts array to const*.</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> E, std::<span class="keywordtype">size_t</span> N&gt;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;<a class="code" href="namespaceripple.html#ad6887fe0534dd3b0df2da54ff8994e2f">Unexpected</a>(E (&amp;)[N]) -&gt; <a class="code" href="classripple_1_1Unexpected.html">Unexpected&lt;E const*&gt;</a>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="comment">// Definition of Expected. All of the machinery comes from boost::result.</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keyword">class</span> E&gt;</div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html"> 132</a></span>&#160;<span class="keyword">class </span>[[nodiscard]] <a class="code" href="classripple_1_1Expected.html">Expected</a></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; : <span class="keyword">private</span> boost::outcome_v2::result&lt;T, E, detail::throw_policy&gt;</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"><a class="line" href="classripple_1_1Expected.html#a7c75c30f3c1e482bae6df26c2c6b8e6d"> 135</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classripple_1_1Expected.html#a7c75c30f3c1e482bae6df26c2c6b8e6d">Base</a> = boost::outcome_v2::result&lt;T, E, detail::throw_policy&gt;;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt;</div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#a9fc739c0940d5a91504161560c043eb0"> 139</a></span>&#160; <a class="code" href="namespaceripple.html#a7796383bfef292efc87ae0c132e4f230">requires</a> std::convertible_to&lt;U, T&gt; constexpr <a class="code" href="classripple_1_1Expected.html#a9fc739c0940d5a91504161560c043eb0">Expected</a>(U &amp;&amp; r)</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; : <a class="code" href="classripple_1_1Expected.html#a7c75c30f3c1e482bae6df26c2c6b8e6d">Base</a>(T(<a class="code" href="namespacestd.html">std</a>::forward&lt;U&gt;(r)))</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; }</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; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <a class="code" href="namespaceripple.html#a7796383bfef292efc87ae0c132e4f230">requires</a> std::convertible_to&lt;U, E&gt; &amp;&amp;</div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#ae55b179b30376177ae33ef15745e2892"> 146</a></span>&#160; (!std::is_reference_v&lt;U&gt;)constexpr <a class="code" href="classripple_1_1Expected.html#ae55b179b30376177ae33ef15745e2892">Expected</a>(<a class="code" href="classripple_1_1Unexpected.html">Unexpected&lt;U&gt;</a> e)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; : <a class="code" href="classripple_1_1Expected.html#a7c75c30f3c1e482bae6df26c2c6b8e6d">Base</a>(E(std::move(e.<a class="code" href="classripple_1_1Unexpected.html#a57b869ec1d216525e83eb446b4d8641d">value</a>())))</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; {</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; </div>
<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#a21497f2ce9b20f07c1e2df6fed802718"> 151</a></span>&#160; constexpr <span class="keywordtype">bool</span> <a class="code" href="classripple_1_1Expected.html#a21497f2ce9b20f07c1e2df6fed802718">has_value</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">return</span> Base::has_value();</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; </div>
<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#aa8ae1b42bde8c21d149998ff31bf9685"> 156</a></span>&#160; constexpr T <span class="keyword">const</span>&amp; <a class="code" href="classripple_1_1Expected.html#aa8ae1b42bde8c21d149998ff31bf9685">value</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">return</span> Base::value();</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#a955206ad1359977459df8d45f3695d74"> 161</a></span>&#160; constexpr T&amp; <a class="code" href="classripple_1_1Expected.html#a955206ad1359977459df8d45f3695d74">value</a>()</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">return</span> Base::value();</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#aa0c41b15778f718991d1dffaa10063be"> 166</a></span>&#160; constexpr E <span class="keyword">const</span>&amp; <a class="code" href="classripple_1_1Expected.html#aa0c41b15778f718991d1dffaa10063be">error</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">return</span> Base::error();</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; </div>
<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#aa2274465d78ee79f3acc1481618e5bbd"> 171</a></span>&#160; constexpr E&amp; <a class="code" href="classripple_1_1Expected.html#aa2274465d78ee79f3acc1481618e5bbd">error</a>()</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keywordflow">return</span> Base::error();</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; }</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#a73f255dcb879fe1abaaf52fc5156fb8a"> 176</a></span>&#160; constexpr <span class="keyword">explicit</span> <span class="keyword">operator</span> bool()<span class="keyword"> const</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keywordflow">return</span> has_value();</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// Add operator* and operator-&gt; so the Expected API looks a bit more like</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="comment">// what std::expected is likely to look like. See:</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="comment">// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p0323r10.html</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#a3483da7c567ac253bf90868f5dd8cefa"> 184</a></span>&#160; [[nodiscard]] constexpr T&amp; <a class="code" href="classripple_1_1Expected.html#a3483da7c567ac253bf90868f5dd8cefa">operator*</a>()</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordflow">return</span> this-&gt;value();</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#a891a98e1980f8d791ad30ed9cb9c8885"> 189</a></span>&#160; [[nodiscard]] constexpr T <span class="keyword">const</span>&amp; <a class="code" href="classripple_1_1Expected.html#a891a98e1980f8d791ad30ed9cb9c8885">operator*</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">return</span> this-&gt;value();</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; }</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; </div>
<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#a7d1a7d54b7dd1932253a6b7e97c64f34"> 194</a></span>&#160; [[nodiscard]] constexpr T* <a class="code" href="classripple_1_1Expected.html#a7d1a7d54b7dd1932253a6b7e97c64f34">operator-&gt;</a>()</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; {</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordflow">return</span> &amp;this-&gt;value();</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; }</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; </div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classripple_1_1Expected.html#a645bf857130ebe76b8a7df664ec832b9"> 199</a></span>&#160; [[nodiscard]] constexpr T <span class="keyword">const</span>* <a class="code" href="classripple_1_1Expected.html#a645bf857130ebe76b8a7df664ec832b9">operator-&gt;</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">return</span> &amp;this-&gt;value();</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;};</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;<span class="comment">// Specialization of Expected&lt;void, E&gt;. Allows returning either success</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;<span class="comment">// (without a value) or the reason for the failure.</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> E&gt;</div>
<div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="classripple_1_1Expected_3_01void_00_01E_01_4.html"> 208</a></span>&#160;<span class="keyword">class </span>[[nodiscard]] <a class="code" href="classripple_1_1Expected.html">Expected</a>&lt;void, E&gt;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; : <span class="keyword">private</span> boost::outcome_v2::result&lt;void, E, detail::throw_policy&gt;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;{</div>
<div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#ab64f7ea889ad57b9d4fb6c12abd03042"> 211</a></span>&#160; <span class="keyword">using</span> <a class="code" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#ab64f7ea889ad57b9d4fb6c12abd03042">Base</a> = boost::outcome_v2::result&lt;void, E, detail::throw_policy&gt;;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="comment">// The default constructor makes a successful Expected&lt;void, E&gt;.</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="comment">// This aligns with std::expected behavior proposed in P0323R10.</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#ac09eba67ca2af549969bdcaeedfb36c4"> 216</a></span>&#160; constexpr <a class="code" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#ac09eba67ca2af549969bdcaeedfb36c4">Expected</a>() : <a class="code" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#ab64f7ea889ad57b9d4fb6c12abd03042">Base</a>(<a class="code" href="namespaceboost.html">boost</a>::outcome_v2::success())</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> U&gt;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <a class="code" href="namespaceripple.html#a7796383bfef292efc87ae0c132e4f230">requires</a> std::convertible_to&lt;U, E&gt; &amp;&amp;</div>
<div class="line"><a name="l00222"></a><span class="lineno"><a class="line" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#a04d189412bde856d118e39554c8a0c6c"> 222</a></span>&#160; (!std::is_reference_v&lt;U&gt;)constexpr <a class="code" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#a04d189412bde856d118e39554c8a0c6c">Expected</a>(<a class="code" href="classripple_1_1Unexpected.html">Unexpected&lt;U&gt;</a> e)</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; : <a class="code" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#ab64f7ea889ad57b9d4fb6c12abd03042">Base</a>(E(std::move(e.<a class="code" href="classripple_1_1Unexpected.html#a57b869ec1d216525e83eb446b4d8641d">value</a>())))</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; </div>
<div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#aadf94a66f574438c007a020fac3cac79"> 227</a></span>&#160; constexpr E <span class="keyword">const</span>&amp; <a class="code" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#aadf94a66f574438c007a020fac3cac79">error</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="keywordflow">return</span> Base::error();</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; }</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; </div>
<div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#a33319f157845b7b209c6f97c682acbf4"> 232</a></span>&#160; constexpr E&amp; <a class="code" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#a33319f157845b7b209c6f97c682acbf4">error</a>()</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; {</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">return</span> Base::error();</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; }</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; </div>
<div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="classripple_1_1Expected_3_01void_00_01E_01_4.html#abc08b172d26c725b644a19bf3ebeebb7"> 237</a></span>&#160; constexpr <span class="keyword">explicit</span> <span class="keyword">operator</span> bool()<span class="keyword"> const</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160;<span class="keyword"> </span>{</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="keywordflow">return</span> Base::has_value();</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; }</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;};</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; </div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160;} <span class="comment">// namespace ripple</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160;<span class="preprocessor">#endif // RIPPLE_BASICS_EXPECTED_H_INCLUDED</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructripple_1_1bad__expected__access_html_a592ea0bca772ffe048f0ab819664ebb8"><div class="ttname"><a href="structripple_1_1bad__expected__access.html#a592ea0bca772ffe048f0ab819664ebb8">ripple::bad_expected_access::bad_expected_access</a></div><div class="ttdeci">bad_expected_access()</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00043">Expected.h:43</a></div></div>
<div class="ttc" id="ais_same_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_aa2274465d78ee79f3acc1481618e5bbd"><div class="ttname"><a href="classripple_1_1Expected.html#aa2274465d78ee79f3acc1481618e5bbd">ripple::Expected::error</a></div><div class="ttdeci">constexpr E &amp; error()</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00171">Expected.h:171</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_aa8ae1b42bde8c21d149998ff31bf9685"><div class="ttname"><a href="classripple_1_1Expected.html#aa8ae1b42bde8c21d149998ff31bf9685">ripple::Expected::value</a></div><div class="ttdeci">constexpr T const &amp; value() const</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00156">Expected.h:156</a></div></div>
<div class="ttc" id="astructripple_1_1bad__expected__access_html"><div class="ttname"><a href="structripple_1_1bad__expected__access.html">ripple::bad_expected_access</a></div><div class="ttdoc">Expected is an approximation of std::expected (hoped for in C++23)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00041">Expected.h:41</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_aa0c41b15778f718991d1dffaa10063be"><div class="ttname"><a href="classripple_1_1Expected.html#aa0c41b15778f718991d1dffaa10063be">ripple::Expected::error</a></div><div class="ttdeci">constexpr E const &amp; error() const</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00166">Expected.h:166</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_a9fc739c0940d5a91504161560c043eb0"><div class="ttname"><a href="classripple_1_1Expected.html#a9fc739c0940d5a91504161560c043eb0">ripple::Expected::Expected</a></div><div class="ttdeci">requires constexpr std::convertible_to&lt; U, T &gt; Expected(U &amp;&amp;r)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00139">Expected.h:139</a></div></div>
<div class="ttc" id="aclassripple_1_1Unexpected_html_a8139a951450ea521bb2321a4f2417dce"><div class="ttname"><a href="classripple_1_1Unexpected.html#a8139a951450ea521bb2321a4f2417dce">ripple::Unexpected::Unexpected</a></div><div class="ttdeci">constexpr Unexpected(E const &amp;e)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00090">Expected.h:90</a></div></div>
<div class="ttc" id="anamespaceripple_html_ad6887fe0534dd3b0df2da54ff8994e2f"><div class="ttname"><a href="namespaceripple.html#ad6887fe0534dd3b0df2da54ff8994e2f">ripple::Unexpected</a></div><div class="ttdeci">Unexpected(E(&amp;)[N]) -&gt; Unexpected&lt; E const * &gt;</div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_a955206ad1359977459df8d45f3695d74"><div class="ttname"><a href="classripple_1_1Expected.html#a955206ad1359977459df8d45f3695d74">ripple::Expected::value</a></div><div class="ttdeci">constexpr T &amp; value()</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00161">Expected.h:161</a></div></div>
<div class="ttc" id="anamespaceboost_html"><div class="ttname"><a href="namespaceboost.html">boost</a></div><div class="ttdef"><b>Definition:</b> <a href="IPAddress_8h_source.html#l00103">IPAddress.h:103</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_a21497f2ce9b20f07c1e2df6fed802718"><div class="ttname"><a href="classripple_1_1Expected.html#a21497f2ce9b20f07c1e2df6fed802718">ripple::Expected::has_value</a></div><div class="ttdeci">constexpr bool has_value() const</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00151">Expected.h:151</a></div></div>
<div class="ttc" id="aclassripple_1_1Unexpected_html_a38a0475a52e63d4f2a8bde3438189e90"><div class="ttname"><a href="classripple_1_1Unexpected.html#a38a0475a52e63d4f2a8bde3438189e90">ripple::Unexpected::value</a></div><div class="ttdeci">constexpr const E &amp;&amp; value() const &amp;&amp;</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00117">Expected.h:117</a></div></div>
<div class="ttc" id="astructripple_1_1detail_1_1throw__policy_html"><div class="ttname"><a href="structripple_1_1detail_1_1throw__policy.html">ripple::detail::throw_policy</a></div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00051">Expected.h:51</a></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#l00176">applySteps.cpp:176</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="aclassripple_1_1Expected_3_01void_00_01E_01_4_html_a33319f157845b7b209c6f97c682acbf4"><div class="ttname"><a href="classripple_1_1Expected_3_01void_00_01E_01_4.html#a33319f157845b7b209c6f97c682acbf4">ripple::Expected&lt; void, E &gt;::error</a></div><div class="ttdeci">constexpr E &amp; error()</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00232">Expected.h:232</a></div></div>
<div class="ttc" id="astdexcept_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/stdexcept.html">stdexcept</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_ae55b179b30376177ae33ef15745e2892"><div class="ttname"><a href="classripple_1_1Expected.html#ae55b179b30376177ae33ef15745e2892">ripple::Expected::Expected</a></div><div class="ttdeci">requires std::convertible_to&lt; U, E &gt; &amp;&amp;!std constexpr ::is_reference_v&lt; U &gt; Expected(Unexpected&lt; U &gt; e)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00146">Expected.h:146</a></div></div>
<div class="ttc" id="aclassripple_1_1Unexpected_html_a57b869ec1d216525e83eb446b4d8641d"><div class="ttname"><a href="classripple_1_1Unexpected.html#a57b869ec1d216525e83eb446b4d8641d">ripple::Unexpected::value</a></div><div class="ttdeci">constexpr const E &amp; value() const &amp;</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00099">Expected.h:99</a></div></div>
<div class="ttc" id="aclassripple_1_1Unexpected_html_ae1ddc18882edc901c025a6ac4c6dc899"><div class="ttname"><a href="classripple_1_1Unexpected.html#ae1ddc18882edc901c025a6ac4c6dc899">ripple::Unexpected::value</a></div><div class="ttdeci">constexpr E &amp; value() &amp;</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00105">Expected.h:105</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_a7c75c30f3c1e482bae6df26c2c6b8e6d"><div class="ttname"><a href="classripple_1_1Expected.html#a7c75c30f3c1e482bae6df26c2c6b8e6d">ripple::Expected::Base</a></div><div class="ttdeci">boost::outcome_v2::result&lt; T, E, detail::throw_policy &gt; Base</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00135">Expected.h:135</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html"><div class="ttname"><a href="classripple_1_1Expected.html">ripple::Expected</a></div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00132">Expected.h:132</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_3_01void_00_01E_01_4_html_ac09eba67ca2af549969bdcaeedfb36c4"><div class="ttname"><a href="classripple_1_1Expected_3_01void_00_01E_01_4.html#ac09eba67ca2af549969bdcaeedfb36c4">ripple::Expected&lt; void, E &gt;::Expected</a></div><div class="ttdeci">constexpr Expected()</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00216">Expected.h:216</a></div></div>
<div class="ttc" id="astructripple_1_1detail_1_1throw__policy_html_ab75cd8dd53cf58bd8db58e145a0aea0d"><div class="ttname"><a href="structripple_1_1detail_1_1throw__policy.html#ab75cd8dd53cf58bd8db58e145a0aea0d">ripple::detail::throw_policy::wide_value_check</a></div><div class="ttdeci">static constexpr void wide_value_check(Impl &amp;&amp;self)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00055">Expected.h:55</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_a7d1a7d54b7dd1932253a6b7e97c64f34"><div class="ttname"><a href="classripple_1_1Expected.html#a7d1a7d54b7dd1932253a6b7e97c64f34">ripple::Expected::operator-&gt;</a></div><div class="ttdeci">constexpr T * operator-&gt;()</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00194">Expected.h:194</a></div></div>
<div class="ttc" id="aruntime_error_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/error/runtime_error.html">std::runtime_error</a></div><div class="ttdoc">STL class.</div></div>
<div class="ttc" id="astructripple_1_1detail_1_1throw__policy_html_ad3bdd51235a03c98c878a539077c72ee"><div class="ttname"><a href="structripple_1_1detail_1_1throw__policy.html#ad3bdd51235a03c98c878a539077c72ee">ripple::detail::throw_policy::wide_error_check</a></div><div class="ttdeci">static constexpr void wide_error_check(Impl &amp;&amp;self)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00063">Expected.h:63</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_a891a98e1980f8d791ad30ed9cb9c8885"><div class="ttname"><a href="classripple_1_1Expected.html#a891a98e1980f8d791ad30ed9cb9c8885">ripple::Expected::operator*</a></div><div class="ttdeci">constexpr T const &amp; operator*() const</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00189">Expected.h:189</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="aclassripple_1_1Unexpected_html_af2f4eee2862f4eab830c32717c524527"><div class="ttname"><a href="classripple_1_1Unexpected.html#af2f4eee2862f4eab830c32717c524527">ripple::Unexpected::Unexpected</a></div><div class="ttdeci">constexpr Unexpected(E &amp;&amp;e)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00094">Expected.h:94</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_3_01void_00_01E_01_4_html_a04d189412bde856d118e39554c8a0c6c"><div class="ttname"><a href="classripple_1_1Expected_3_01void_00_01E_01_4.html#a04d189412bde856d118e39554c8a0c6c">ripple::Expected&lt; void, E &gt;::Expected</a></div><div class="ttdeci">requires std::convertible_to&lt; U, E &gt; &amp;&amp;!std constexpr ::is_reference_v&lt; U &gt; Expected(Unexpected&lt; U &gt; e)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00222">Expected.h:222</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_3_01void_00_01E_01_4_html_ab64f7ea889ad57b9d4fb6c12abd03042"><div class="ttname"><a href="classripple_1_1Expected_3_01void_00_01E_01_4.html#ab64f7ea889ad57b9d4fb6c12abd03042">ripple::Expected&lt; void, E &gt;::Base</a></div><div class="ttdeci">boost::outcome_v2::result&lt; void, E, detail::throw_policy &gt; Base</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00211">Expected.h:211</a></div></div>
<div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace.</div></div>
<div class="ttc" id="aclassripple_1_1Unexpected_html_a0b8d6c6ebdbb2880976c538e7cceaa71"><div class="ttname"><a href="classripple_1_1Unexpected.html#a0b8d6c6ebdbb2880976c538e7cceaa71">ripple::Unexpected::value</a></div><div class="ttdeci">constexpr E &amp;&amp; value() &amp;&amp;</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00111">Expected.h:111</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_3_01void_00_01E_01_4_html_aadf94a66f574438c007a020fac3cac79"><div class="ttname"><a href="classripple_1_1Expected_3_01void_00_01E_01_4.html#aadf94a66f574438c007a020fac3cac79">ripple::Expected&lt; void, E &gt;::error</a></div><div class="ttdeci">constexpr E const &amp; error() const</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00227">Expected.h:227</a></div></div>
<div class="ttc" id="aclassripple_1_1Unexpected_html"><div class="ttname"><a href="classripple_1_1Unexpected.html">ripple::Unexpected</a></div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00083">Expected.h:83</a></div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_a3483da7c567ac253bf90868f5dd8cefa"><div class="ttname"><a href="classripple_1_1Expected.html#a3483da7c567ac253bf90868f5dd8cefa">ripple::Expected::operator*</a></div><div class="ttdeci">constexpr T &amp; operator*()</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00184">Expected.h:184</a></div></div>
<div class="ttc" id="aclassripple_1_1Unexpected_html_ae84f51e4038d4ba8c436d2aa90a33ae8"><div class="ttname"><a href="classripple_1_1Unexpected.html#ae84f51e4038d4ba8c436d2aa90a33ae8">ripple::Unexpected::Unexpected</a></div><div class="ttdeci">Unexpected()=delete</div></div>
<div class="ttc" id="aclassripple_1_1Expected_html_a645bf857130ebe76b8a7df664ec832b9"><div class="ttname"><a href="classripple_1_1Expected.html#a645bf857130ebe76b8a7df664ec832b9">ripple::Expected::operator-&gt;</a></div><div class="ttdeci">constexpr T const * operator-&gt;() const</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00199">Expected.h:199</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="astructripple_1_1detail_1_1throw__policy_html_a03d726557cc40c676e99ecd0e2c658c0"><div class="ttname"><a href="structripple_1_1detail_1_1throw__policy.html#a03d726557cc40c676e99ecd0e2c658c0">ripple::detail::throw_policy::wide_exception_check</a></div><div class="ttdeci">static constexpr void wide_exception_check(Impl &amp;&amp;self)</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00071">Expected.h:71</a></div></div>
<div class="ttc" id="aclassripple_1_1Unexpected_html_a26afa87e80f6c8c4193991625fc48be5"><div class="ttname"><a href="classripple_1_1Unexpected.html#a26afa87e80f6c8c4193991625fc48be5">ripple::Unexpected::val_</a></div><div class="ttdeci">E val_</div><div class="ttdef"><b>Definition:</b> <a href="Expected_8h_source.html#l00123">Expected.h:123</a></div></div>
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