root_2value_8hpp_source.html 27 KB

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  68. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef root_value_hpp</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define root_value_hpp</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="value_8hpp.html">filval/value.hpp</a>&quot;</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="preprocessor">#include &quot;TLorentzVector.h&quot;</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacefv_1_1root.html">fv::root</a>{</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="keyword">class </span>LorentzVectors : <span class="keyword">public</span> DerivedValue&lt;std::vector&lt;TLorentzVector&gt;&gt;{</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; Value&lt;std::vector&lt;float&gt;&gt; *pt_val;</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160; Value&lt;std::vector&lt;float&gt;&gt; *eta_val;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160; Value&lt;std::vector&lt;float&gt;&gt; *phi_val;</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; Value&lt;std::vector&lt;float&gt;&gt; *mass_val;</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="keywordtype">void</span> update_value(){</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="keyword">auto</span> pt = pt_val-&gt;get_value();</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <span class="keyword">auto</span> eta = eta_val-&gt;get_value();</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <span class="keyword">auto</span> phi = phi_val-&gt;get_value();</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; <span class="keyword">auto</span> mass = mass_val-&gt;get_value();</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; std::vector&lt;int&gt; sizes = {pt.size(), eta.size(), phi.size(), mass.size()};</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="keywordtype">int</span> size = *std::min_element(sizes.begin(), sizes.end());</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; this-&gt;value.clear();</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; TLorentzVector lv;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i =0; i&lt;size; i++){</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; lv.SetPtEtaPhiM(pt[i], eta[i], phi[i], mass[i]);</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; this-&gt;value.push_back(lv);</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; }</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="keyword">static</span> std::string fmt_name(Value&lt;std::vector&lt;float&gt;&gt;* pt, Value&lt;std::vector&lt;float&gt;&gt;* eta,</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; Value&lt;std::vector&lt;float&gt;&gt;* phi, Value&lt;std::vector&lt;float&gt;&gt;* mass){</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;lorentz_vectors(&quot;</span>+pt-&gt;get_name()+<span class="stringliteral">&quot;,&quot;</span> +eta-&gt;get_name()+<span class="stringliteral">&quot;,&quot;</span>+</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; phi-&gt;get_name()+<span class="stringliteral">&quot;,&quot;</span> +mass-&gt;get_name()+<span class="stringliteral">&quot;)&quot;</span>;</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"> 36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; LorentzVectors(Value&lt;std::vector&lt;float&gt;&gt;* pt,</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; Value&lt;std::vector&lt;float&gt;&gt;* eta,</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; Value&lt;std::vector&lt;float&gt;&gt;* phi,</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; Value&lt;std::vector&lt;float&gt;&gt;* mass,</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">const</span> std::string&amp; alias)</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; :DerivedValue&lt;<a class="code" href="namespacestd.html">std</a>::vector&lt;TLorentzVector&gt;&gt;(fmt_name(pt,eta,phi,mass), alias),</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; pt_val(pt), eta_val(eta), phi_val(phi), mass_val(mass) { }</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;<span class="keyword">class </span>Energies : <span class="keyword">public</span> DerivedValue&lt;std::vector&lt;float&gt;&gt;{</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; Value&lt;std::vector&lt;TLorentzVector&gt;&gt; *vectors;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordtype">void</span> update_value(){</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; std::vector&lt;TLorentzVector&gt;&amp; vecs = vectors-&gt;get_value();</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; this-&gt;value.clear();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> v : vecs){</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; this-&gt;value.push_back(v.Energy());</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;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">static</span> std::string fmt_name(Value&lt;std::vector&lt;TLorentzVector&gt;&gt; *vectors){</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;energies(&quot;</span>+vectors-&gt;get_name()+<span class="stringliteral">&quot;)&quot;</span>;</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; Energies(Value&lt;std::vector&lt;TLorentzVector&gt;&gt; *vectors,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">const</span> std::string&amp; alias)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; :DerivedValue&lt;<a class="code" href="namespacestd.html">std</a>::vector&lt;float&gt;&gt;(fmt_name(vectors), alias),</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; vectors(vectors) { }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;};</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">namespace </span>detail {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Tuple, std::size_t... Is&gt;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; decltype(<span class="keyword">auto</span>) tuple_get_values_impl(const Tuple&amp; t, <a class="code" href="namespacestd.html">std</a>::index_sequence&lt;Is...&gt;){</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">return</span> std::make_tuple(std::get&lt;1&gt;(std::get&lt;Is&gt;(t))-&gt;get_value()...);</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">typename</span> Tuple, std::size_t... Is&gt;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; decltype(<span class="keyword">auto</span>) tuple_get_labels_impl(const Tuple&amp; t, <a class="code" href="namespacestd.html">std</a>::index_sequence&lt;Is...&gt;){</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">return</span> std::make_tuple(std::get&lt;0&gt;(std::get&lt;Is&gt;(t))...);</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="l00083"></a><span class="lineno"> 83</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span>... ArgTypes&gt;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;std::tuple&lt;ArgTypes...&gt; tuple_get_values(<span class="keyword">const</span> std::tuple&lt;std::pair&lt;std::string,Value&lt;ArgTypes&gt;*&gt;...&gt;&amp; t){</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> detail::tuple_get_values_impl&lt;std::tuple&lt;std::pair&lt;std::string,Value&lt;ArgTypes&gt;*&gt;...&gt;&gt;(t, std::index_sequence_for&lt;ArgTypes...&gt;{});</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="l00092"></a><span class="lineno"> 92</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span>... ArgTypes&gt;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;decltype(<span class="keyword">auto</span>) tuple_get_labels(const <a class="code" href="namespacestd.html">std</a>::tuple&lt;<a class="code" href="namespacestd.html">std</a>::pair&lt;<a class="code" href="namespacestd.html">std</a>::<span class="keywordtype">string</span>,Value&lt;ArgTypes&gt;*&gt;...&gt;&amp; t){</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordflow">return</span> detail::tuple_get_labels_impl&lt;std::tuple&lt;std::pair&lt;std::string,Value&lt;ArgTypes&gt;*&gt;...&gt;&gt;(t, std::index_sequence_for&lt;ArgTypes...&gt;{});</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;<span class="comment">//-----------------------</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="keywordtype">char</span> type_lookup(){</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">return</span> 0;</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="keyword">template</span> &lt;&gt;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="keywordtype">char</span> type_lookup&lt;int&gt;(){</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordflow">return</span> <span class="charliteral">&#39;I&#39;</span>;</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;&gt;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="keywordtype">char</span> type_lookup&lt;float&gt;(){</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">return</span> <span class="charliteral">&#39;F&#39;</span>;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;}</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="keyword">template</span> &lt;&gt;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="keywordtype">char</span> type_lookup&lt;double&gt;(){</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keywordflow">return</span> <span class="charliteral">&#39;F&#39;</span>;</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;</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="keyword">template</span>&lt;<span class="keyword">typename</span>... DataTypes&gt;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="keyword">class </span>MVAData : <span class="keyword">public</span> DerivedValue&lt;std::tuple&lt;bool,bool,double,std::tuple&lt;DataTypes...&gt;&gt;&gt;{</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; std::tuple&lt;std::pair&lt;std::string,Value&lt;DataTypes&gt;*&gt;...&gt; data;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; Value&lt;bool&gt;* is_training;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; Value&lt;bool&gt;* is_signal;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; Value&lt;double&gt;* weight;</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="keywordtype">void</span> update_value(){</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; this-&gt;value = std::make_tuple(is_training-&gt;get_value(), is_signal-&gt;get_value(), weight-&gt;get_value(),</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; tuple_get_values(data));</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;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span>... Types&gt;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keyword">static</span> std::vector&lt;std::pair&lt;std::string, char&gt;&gt; get_label_types_impl(std::pair&lt;std::string,Value&lt;Types&gt;*&gt;... pairs){</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordflow">return</span> std::vector&lt;std::pair&lt;std::string, char&gt;&gt;({ std::make_pair(pairs.first,type_lookup&lt;Types&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"> 135</span>&#160;</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">typedef</span> std::tuple&lt;bool, bool, double, std::tuple&lt;DataTypes...&gt;&gt; type;</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;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; std::vector&lt;std::pair&lt;std::string, char&gt;&gt; get_label_types(){</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespacefv.html#a9a4442455b76c1cbe8951b593f06309c">call</a>(get_label_types_impl&lt;DataTypes...&gt;, data);</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; <span class="keyword">static</span> std::string fmt_name(Value&lt;bool&gt;* is_training, Value&lt;bool&gt;* is_signal, Value&lt;double&gt;* weight,</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">const</span> std::pair&lt;std::string, Value&lt;DataTypes&gt;*&gt;&amp;&amp;... data_vals){</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="comment">//TODO: add data names</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;mva_data(&quot;</span>+is_training-&gt;get_name()+<span class="stringliteral">&quot;,&quot;</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; +is_signal-&gt;get_name()+<span class="stringliteral">&quot;,&quot;</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; +weight-&gt;get_name()+<span class="stringliteral">&quot;)&quot;</span>;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; MVAData(Value&lt;bool&gt;* is_training, Value&lt;bool&gt;* is_signal,</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; Value&lt;double&gt;* weight, <span class="keyword">const</span> std::pair&lt;std::string, Value&lt;DataTypes&gt;*&gt;&amp;&amp;... data_vals)</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; :DerivedValue&lt;type&gt;(fmt_name(is_training, is_signal, weight,</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <a class="code" href="namespacestd.html">std</a>::forward&lt;const <a class="code" href="namespacestd.html">std</a>::pair&lt;<a class="code" href="namespacestd.html">std</a>::string,Value&lt;DataTypes&gt;*&gt;&gt;(data_vals)...),<span class="stringliteral">&quot;&quot;</span>),</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; data(<a class="code" href="namespacestd.html">std</a>::make_tuple(data_vals...)),</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; is_training(is_training),</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; is_signal(is_signal),</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; weight(weight) { }</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;};</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="preprocessor">#endif // root_value_hpp</span></div><div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdoc">STL namespace. </div></div>
  69. <div class="ttc" id="namespacefv_html_a9a4442455b76c1cbe8951b593f06309c"><div class="ttname"><a href="namespacefv.html#a9a4442455b76c1cbe8951b593f06309c">fv::call</a></div><div class="ttdeci">decltype(auto) constexpr call(F &amp;&amp;f, Tuple &amp;&amp;t)</div><div class="ttdoc">Call a function f with the elements of the tuple t as arguments. </div><div class="ttdef"><b>Definition:</b> <a href="value_8hpp_source.html#l00127">value.hpp:127</a></div></div>
  70. <div class="ttc" id="namespacefv_1_1root_html"><div class="ttname"><a href="namespacefv_1_1root.html">fv::root</a></div><div class="ttdef"><b>Definition:</b> <a href="root_2api_8hpp_source.html#l00008">api.hpp:8</a></div></div>
  71. <div class="ttc" id="value_8hpp_html"><div class="ttname"><a href="value_8hpp.html">value.hpp</a></div></div>
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