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<div id="projectname">Range-v3
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<div id="projectbrief">Range algorithms, views, and actions for the Standard Library</div>
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<a href="#groups">Modules</a> &#124;
<a href="#typedef-members">Typedefs</a> </div>
<div class="headertitle"><div class="title">Query/Search<div class="ingroups"><a class="el" href="group__meta.html">Meta</a> &raquo; <a class="el" href="group__algorithm.html">Algorithms</a></div></div></div>
</div><!--header-->
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<p>Query and search algorithms.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="groups" name="groups"></a>
Modules</h2></td></tr>
<tr class="memitem:group__lazy__query"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__lazy__query.html">lazy</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="typedef-members" name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:gae65ae2955249d7b8322e1135f680103b"><td class="memTemplParams" colspan="2">template&lt;list_like L, invocable Fn&gt; </td></tr>
<tr class="memitem:gae65ae2955249d7b8322e1135f680103b"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#gae65ae2955249d7b8322e1135f680103b">meta::all_of</a> = <a class="el" href="group__list.html#gae64f0978e680ad1a96438c0756b4644d">empty</a>&lt; <a class="el" href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">find_if</a>&lt; L, <a class="el" href="group__trait.html#gad54adef1c420be333e5027f7c63dc5db">not_fn</a>&lt; Fn &gt; &gt; &gt;</td></tr>
<tr class="memdesc:gae65ae2955249d7b8322e1135f680103b"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Boolean integral constant wrapper around <code>true</code> if <code>invoke&lt;Fn, A&gt;::value</code> is <code>true</code> for all elements <code>A</code> in <code><a class="el" href="structmeta_1_1list.html" title="A list of types.">meta::list</a></code> <code>L</code>; <code>false</code>, otherwise. <a href="group__query.html#gae65ae2955249d7b8322e1135f680103b">More...</a><br /></td></tr>
<tr class="separator:gae65ae2955249d7b8322e1135f680103b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga458c0596c85f41edc60b5230e76087e1"><td class="memTemplParams" colspan="2">template&lt;list_like L, invocable Fn&gt; </td></tr>
<tr class="memitem:ga458c0596c85f41edc60b5230e76087e1"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#ga458c0596c85f41edc60b5230e76087e1">meta::any_of</a> = <a class="el" href="group__logical.html#ga72884249179b0b22a27cc0709b75f23b">not_</a>&lt; <a class="el" href="group__list.html#gae64f0978e680ad1a96438c0756b4644d">empty</a>&lt; <a class="el" href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">find_if</a>&lt; L, Fn &gt; &gt; &gt;</td></tr>
<tr class="memdesc:ga458c0596c85f41edc60b5230e76087e1"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Boolean integral constant wrapper around <code>true</code> if <code>invoke&lt;Fn, A&gt;::value</code> is <code>true</code> for any element <code>A</code> in <code><a class="el" href="structmeta_1_1list.html" title="A list of types.">meta::list</a></code> <code>L</code>; <code>false</code>, otherwise. <a href="group__query.html#ga458c0596c85f41edc60b5230e76087e1">More...</a><br /></td></tr>
<tr class="separator:ga458c0596c85f41edc60b5230e76087e1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga8a395b36c7a028e67cf7cbaa28ab3ccc"><td class="memTemplParams" colspan="2">template&lt;list_like L, typename T &gt; </td></tr>
<tr class="memitem:ga8a395b36c7a028e67cf7cbaa28ab3ccc"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#ga8a395b36c7a028e67cf7cbaa28ab3ccc">meta::count</a> = <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt; <a class="el" href="structmeta_1_1detail_1_1count__.html">detail::count_</a>&lt; L, T &gt; &gt;</td></tr>
<tr class="memdesc:ga8a395b36c7a028e67cf7cbaa28ab3ccc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Count the number of times a type <code>T</code> appears in the list <code>L</code>. <a href="group__query.html#ga8a395b36c7a028e67cf7cbaa28ab3ccc">More...</a><br /></td></tr>
<tr class="separator:ga8a395b36c7a028e67cf7cbaa28ab3ccc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga665bd44f6d231438a3200df8030f593a"><td class="memTemplParams" colspan="2">template&lt;list_like L, invocable Fn&gt; </td></tr>
<tr class="memitem:ga665bd44f6d231438a3200df8030f593a"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#ga665bd44f6d231438a3200df8030f593a">meta::count_if</a> = <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt; <a class="el" href="structmeta_1_1detail_1_1count__if__.html">detail::count_if_</a>&lt; L, Fn &gt; &gt;</td></tr>
<tr class="memdesc:ga665bd44f6d231438a3200df8030f593a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Count the number of times the predicate <code>Fn</code> evaluates to true for all the elements in the list <code>L</code>. <a href="group__query.html#ga665bd44f6d231438a3200df8030f593a">More...</a><br /></td></tr>
<tr class="separator:ga665bd44f6d231438a3200df8030f593a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga4e7b439f707e529f3df7745ff7e2eb19"><td class="memTemplParams" colspan="2">template&lt;list_like L, typename T &gt; </td></tr>
<tr class="memitem:ga4e7b439f707e529f3df7745ff7e2eb19"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#ga4e7b439f707e529f3df7745ff7e2eb19">meta::find</a> = <a class="el" href="group__transformation.html#ga4883188d34dd23dc949f737c17a1a317">drop</a>&lt; L, min&lt; <a class="el" href="group__query.html#ga613514a0b471a7a1eecabfe6c2e8963c">find_index</a>&lt; L, T &gt;, <a class="el" href="group__list.html#ga82704ab3563d63460b7ac1be6c9876c9">size</a>&lt; L &gt; &gt; &gt;</td></tr>
<tr class="memdesc:ga4e7b439f707e529f3df7745ff7e2eb19"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the tail of the list <code>L</code> starting at the first occurrence of <code>T</code>, if any such element exists; the empty list, otherwise. <a href="group__query.html#ga4e7b439f707e529f3df7745ff7e2eb19">More...</a><br /></td></tr>
<tr class="separator:ga4e7b439f707e529f3df7745ff7e2eb19"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaf33139f1b442de0272477e126d6d66a7"><td class="memTemplParams" colspan="2">template&lt;list_like L, invocable Fn&gt; </td></tr>
<tr class="memitem:gaf33139f1b442de0272477e126d6d66a7"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">meta::find_if</a> = <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt; detail::find_if_&lt; L, Fn &gt; &gt;</td></tr>
<tr class="memdesc:gaf33139f1b442de0272477e126d6d66a7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the tail of the list <code>L</code> starting at the first element <code>A</code> such that <code>invoke&lt;Fn, A&gt;::value</code> is <code>true</code>, if any such element exists; the empty list, otherwise. <a href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">More...</a><br /></td></tr>
<tr class="separator:gaf33139f1b442de0272477e126d6d66a7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga613514a0b471a7a1eecabfe6c2e8963c"><td class="memTemplParams" colspan="2">template&lt;list_like L, typename T &gt; </td></tr>
<tr class="memitem:ga613514a0b471a7a1eecabfe6c2e8963c"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#ga613514a0b471a7a1eecabfe6c2e8963c">meta::find_index</a> = <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt; detail::find_index_&lt; L, T &gt; &gt;</td></tr>
<tr class="memdesc:ga613514a0b471a7a1eecabfe6c2e8963c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Finds the index of the first occurrence of the type <code>T</code> within the list <code>L</code>. Returns <code>#<a class="el" href="group__list.html#gac6b96d77cd4223043591fe6e5819ecf8" title="A special value used to indicate no matches. It equals the maximum value representable by std::size_t...">meta::npos</a></code> if the type <code>T</code> was not found. <a href="group__query.html#ga613514a0b471a7a1eecabfe6c2e8963c">More...</a><br /></td></tr>
<tr class="separator:ga613514a0b471a7a1eecabfe6c2e8963c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7e59a2a7df311e0d88e2781f753e5a9a"><td class="memTemplParams" colspan="2">template&lt;list_like L, typename T &gt; </td></tr>
<tr class="memitem:ga7e59a2a7df311e0d88e2781f753e5a9a"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#ga7e59a2a7df311e0d88e2781f753e5a9a">meta::in</a> = <a class="el" href="group__logical.html#ga72884249179b0b22a27cc0709b75f23b">not_</a>&lt; <a class="el" href="group__list.html#gae64f0978e680ad1a96438c0756b4644d">empty</a>&lt; <a class="el" href="group__query.html#ga4e7b439f707e529f3df7745ff7e2eb19">find</a>&lt; L, T &gt; &gt; &gt;</td></tr>
<tr class="memdesc:ga7e59a2a7df311e0d88e2781f753e5a9a"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Boolean integral constant wrapper around <code>true</code> if there is at least one occurrence of <code>T</code> in <code>L</code>. <a href="group__query.html#ga7e59a2a7df311e0d88e2781f753e5a9a">More...</a><br /></td></tr>
<tr class="separator:ga7e59a2a7df311e0d88e2781f753e5a9a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0722ed3a3840cbeffd4d49876abbd7d8"><td class="memTemplParams" colspan="2">template&lt;list_like L, invocable Fn&gt; </td></tr>
<tr class="memitem:ga0722ed3a3840cbeffd4d49876abbd7d8"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#ga0722ed3a3840cbeffd4d49876abbd7d8">meta::none_of</a> = <a class="el" href="group__list.html#gae64f0978e680ad1a96438c0756b4644d">empty</a>&lt; <a class="el" href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">find_if</a>&lt; L, Fn &gt; &gt;</td></tr>
<tr class="memdesc:ga0722ed3a3840cbeffd4d49876abbd7d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Boolean integral constant wrapper around <code>true</code> if <code>invoke&lt;Fn, A&gt;::value</code> is <code>false</code> for all elements <code>A</code> in <code><a class="el" href="structmeta_1_1list.html" title="A list of types.">meta::list</a></code> <code>L</code>; <code>false</code>, otherwise. <a href="group__query.html#ga0722ed3a3840cbeffd4d49876abbd7d8">More...</a><br /></td></tr>
<tr class="separator:ga0722ed3a3840cbeffd4d49876abbd7d8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaf9fc68d4879145b2e75be42224ae1571"><td class="memTemplParams" colspan="2">template&lt;list_like L, typename T &gt; </td></tr>
<tr class="memitem:gaf9fc68d4879145b2e75be42224ae1571"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#gaf9fc68d4879145b2e75be42224ae1571">meta::reverse_find</a> = <a class="el" href="group__transformation.html#ga4883188d34dd23dc949f737c17a1a317">drop</a>&lt; L, min&lt; <a class="el" href="group__query.html#ga6a29ed9ce437db81ee3a046e368e942f">reverse_find_index</a>&lt; L, T &gt;, <a class="el" href="group__list.html#ga82704ab3563d63460b7ac1be6c9876c9">size</a>&lt; L &gt; &gt; &gt;</td></tr>
<tr class="memdesc:gaf9fc68d4879145b2e75be42224ae1571"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the tail of the list <code>L</code> starting at the last occurrence of <code>T</code>, if any such element exists; the empty list, otherwise. <a href="group__query.html#gaf9fc68d4879145b2e75be42224ae1571">More...</a><br /></td></tr>
<tr class="separator:gaf9fc68d4879145b2e75be42224ae1571"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gabbb3ce2f521f38bcceb821a8eda51d5f"><td class="memTemplParams" colspan="2">template&lt;list_like L, invocable Fn&gt; </td></tr>
<tr class="memitem:gabbb3ce2f521f38bcceb821a8eda51d5f"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#gabbb3ce2f521f38bcceb821a8eda51d5f">meta::reverse_find_if</a> = <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt; detail::reverse_find_if_&lt; L, Fn &gt; &gt;</td></tr>
<tr class="memdesc:gabbb3ce2f521f38bcceb821a8eda51d5f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the tail of the list <code>L</code> starting at the last element <code>A</code> such that <code>invoke&lt;Fn, A&gt;::value</code> is <code>true</code>, if any such element exists; the empty list, otherwise. <a href="group__query.html#gabbb3ce2f521f38bcceb821a8eda51d5f">More...</a><br /></td></tr>
<tr class="separator:gabbb3ce2f521f38bcceb821a8eda51d5f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga6a29ed9ce437db81ee3a046e368e942f"><td class="memTemplParams" colspan="2">template&lt;list_like L, typename T &gt; </td></tr>
<tr class="memitem:ga6a29ed9ce437db81ee3a046e368e942f"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group__query.html#ga6a29ed9ce437db81ee3a046e368e942f">meta::reverse_find_index</a> = <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt; detail::reverse_find_index_&lt; L, T &gt; &gt;</td></tr>
<tr class="memdesc:ga6a29ed9ce437db81ee3a046e368e942f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Finds the index of the last occurrence of the type <code>T</code> within the list <code>L</code>. Returns <code>#<a class="el" href="group__list.html#gac6b96d77cd4223043591fe6e5819ecf8" title="A special value used to indicate no matches. It equals the maximum value representable by std::size_t...">meta::npos</a></code> if the type <code>T</code> was not found. <a href="group__query.html#ga6a29ed9ce437db81ee3a046e368e942f">More...</a><br /></td></tr>
<tr class="separator:ga6a29ed9ce437db81ee3a046e368e942f"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p >Query and search algorithms. </p>
<h2 class="groupheader">Typedef Documentation</h2>
<a id="gae65ae2955249d7b8322e1135f680103b" name="gae65ae2955249d7b8322e1135f680103b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gae65ae2955249d7b8322e1135f680103b">&#9670;&nbsp;</a></span>all_of</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, invocable Fn&gt; </div>
<table class="memname">
<tr>
<td class="memname">using <a class="el" href="group__query.html#gae65ae2955249d7b8322e1135f680103b">meta::all_of</a> = typedef <a class="el" href="group__list.html#gae64f0978e680ad1a96438c0756b4644d">empty</a>&lt;<a class="el" href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">find_if</a>&lt;L, <a class="el" href="group__trait.html#gad54adef1c420be333e5027f7c63dc5db">not_fn</a>&lt;Fn&gt; &gt;&gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>A Boolean integral constant wrapper around <code>true</code> if <code>invoke&lt;Fn, A&gt;::value</code> is <code>true</code> for all elements <code>A</code> in <code><a class="el" href="structmeta_1_1list.html" title="A list of types.">meta::list</a></code> <code>L</code>; <code>false</code>, otherwise. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="ga458c0596c85f41edc60b5230e76087e1" name="ga458c0596c85f41edc60b5230e76087e1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga458c0596c85f41edc60b5230e76087e1">&#9670;&nbsp;</a></span>any_of</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, invocable Fn&gt; </div>
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<td class="memname">using <a class="el" href="group__query.html#ga458c0596c85f41edc60b5230e76087e1">meta::any_of</a> = typedef <a class="el" href="group__logical.html#ga72884249179b0b22a27cc0709b75f23b">not_</a>&lt;<a class="el" href="group__list.html#gae64f0978e680ad1a96438c0756b4644d">empty</a>&lt;<a class="el" href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">find_if</a>&lt;L, Fn&gt; &gt;&gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>A Boolean integral constant wrapper around <code>true</code> if <code>invoke&lt;Fn, A&gt;::value</code> is <code>true</code> for any element <code>A</code> in <code><a class="el" href="structmeta_1_1list.html" title="A list of types.">meta::list</a></code> <code>L</code>; <code>false</code>, otherwise. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="ga8a395b36c7a028e67cf7cbaa28ab3ccc" name="ga8a395b36c7a028e67cf7cbaa28ab3ccc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga8a395b36c7a028e67cf7cbaa28ab3ccc">&#9670;&nbsp;</a></span>count</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, typename T &gt; </div>
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<td class="memname">using <a class="el" href="group__query.html#ga8a395b36c7a028e67cf7cbaa28ab3ccc">meta::count</a> = typedef <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt;<a class="el" href="structmeta_1_1detail_1_1count__.html">detail::count_</a>&lt;L, T&gt; &gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>Count the number of times a type <code>T</code> appears in the list <code>L</code>. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga665bd44f6d231438a3200df8030f593a">&#9670;&nbsp;</a></span>count_if</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, invocable Fn&gt; </div>
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<td class="memname">using <a class="el" href="group__query.html#ga665bd44f6d231438a3200df8030f593a">meta::count_if</a> = typedef <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt;<a class="el" href="structmeta_1_1detail_1_1count__if__.html">detail::count_if_</a>&lt;L, Fn&gt; &gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>Count the number of times the predicate <code>Fn</code> evaluates to true for all the elements in the list <code>L</code>. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="ga4e7b439f707e529f3df7745ff7e2eb19" name="ga4e7b439f707e529f3df7745ff7e2eb19"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga4e7b439f707e529f3df7745ff7e2eb19">&#9670;&nbsp;</a></span>find</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, typename T &gt; </div>
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<td class="memname">using <a class="el" href="group__query.html#ga4e7b439f707e529f3df7745ff7e2eb19">meta::find</a> = typedef <a class="el" href="group__transformation.html#ga4883188d34dd23dc949f737c17a1a317">drop</a>&lt;L, min&lt;<a class="el" href="group__query.html#ga613514a0b471a7a1eecabfe6c2e8963c">find_index</a>&lt;L, T&gt;, <a class="el" href="group__list.html#ga82704ab3563d63460b7ac1be6c9876c9">size</a>&lt;L&gt; &gt;&gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>Return the tail of the list <code>L</code> starting at the first occurrence of <code>T</code>, if any such element exists; the empty list, otherwise. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="gaf33139f1b442de0272477e126d6d66a7" name="gaf33139f1b442de0272477e126d6d66a7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaf33139f1b442de0272477e126d6d66a7">&#9670;&nbsp;</a></span>find_if</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, invocable Fn&gt; </div>
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<td class="memname">using <a class="el" href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">meta::find_if</a> = typedef <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt;detail::find_if_&lt;L, Fn&gt; &gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>Return the tail of the list <code>L</code> starting at the first element <code>A</code> such that <code>invoke&lt;Fn, A&gt;::value</code> is <code>true</code>, if any such element exists; the empty list, otherwise. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="ga613514a0b471a7a1eecabfe6c2e8963c" name="ga613514a0b471a7a1eecabfe6c2e8963c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga613514a0b471a7a1eecabfe6c2e8963c">&#9670;&nbsp;</a></span>find_index</h2>
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<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, typename T &gt; </div>
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<td class="memname">using <a class="el" href="group__query.html#ga613514a0b471a7a1eecabfe6c2e8963c">meta::find_index</a> = typedef <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt;detail::find_index_&lt;L, T&gt; &gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>Finds the index of the first occurrence of the type <code>T</code> within the list <code>L</code>. Returns <code>#<a class="el" href="group__list.html#gac6b96d77cd4223043591fe6e5819ecf8" title="A special value used to indicate no matches. It equals the maximum value representable by std::size_t...">meta::npos</a></code> if the type <code>T</code> was not found. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><code><a class="el" href="group__list.html#gac6b96d77cd4223043591fe6e5819ecf8" title="A special value used to indicate no matches. It equals the maximum value representable by std::size_t...">meta::npos</a></code> </dd></dl>
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<a id="ga7e59a2a7df311e0d88e2781f753e5a9a" name="ga7e59a2a7df311e0d88e2781f753e5a9a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga7e59a2a7df311e0d88e2781f753e5a9a">&#9670;&nbsp;</a></span>in</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, typename T &gt; </div>
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<td class="memname">using <a class="el" href="group__query.html#ga7e59a2a7df311e0d88e2781f753e5a9a">meta::in</a> = typedef <a class="el" href="group__logical.html#ga72884249179b0b22a27cc0709b75f23b">not_</a>&lt;<a class="el" href="group__list.html#gae64f0978e680ad1a96438c0756b4644d">empty</a>&lt;<a class="el" href="group__query.html#ga4e7b439f707e529f3df7745ff7e2eb19">find</a>&lt;L, T&gt; &gt;&gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>A Boolean integral constant wrapper around <code>true</code> if there is at least one occurrence of <code>T</code> in <code>L</code>. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="ga0722ed3a3840cbeffd4d49876abbd7d8" name="ga0722ed3a3840cbeffd4d49876abbd7d8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga0722ed3a3840cbeffd4d49876abbd7d8">&#9670;&nbsp;</a></span>none_of</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, invocable Fn&gt; </div>
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<tr>
<td class="memname">using <a class="el" href="group__query.html#ga0722ed3a3840cbeffd4d49876abbd7d8">meta::none_of</a> = typedef <a class="el" href="group__list.html#gae64f0978e680ad1a96438c0756b4644d">empty</a>&lt;<a class="el" href="group__query.html#gaf33139f1b442de0272477e126d6d66a7">find_if</a>&lt;L, Fn&gt; &gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>A Boolean integral constant wrapper around <code>true</code> if <code>invoke&lt;Fn, A&gt;::value</code> is <code>false</code> for all elements <code>A</code> in <code><a class="el" href="structmeta_1_1list.html" title="A list of types.">meta::list</a></code> <code>L</code>; <code>false</code>, otherwise. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="gaf9fc68d4879145b2e75be42224ae1571" name="gaf9fc68d4879145b2e75be42224ae1571"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaf9fc68d4879145b2e75be42224ae1571">&#9670;&nbsp;</a></span>reverse_find</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, typename T &gt; </div>
<table class="memname">
<tr>
<td class="memname">using <a class="el" href="group__query.html#gaf9fc68d4879145b2e75be42224ae1571">meta::reverse_find</a> = typedef <a class="el" href="group__transformation.html#ga4883188d34dd23dc949f737c17a1a317">drop</a>&lt;L, min&lt;<a class="el" href="group__query.html#ga6a29ed9ce437db81ee3a046e368e942f">reverse_find_index</a>&lt;L, T&gt;, <a class="el" href="group__list.html#ga82704ab3563d63460b7ac1be6c9876c9">size</a>&lt;L&gt; &gt;&gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>Return the tail of the list <code>L</code> starting at the last occurrence of <code>T</code>, if any such element exists; the empty list, otherwise. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="gabbb3ce2f521f38bcceb821a8eda51d5f" name="gabbb3ce2f521f38bcceb821a8eda51d5f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gabbb3ce2f521f38bcceb821a8eda51d5f">&#9670;&nbsp;</a></span>reverse_find_if</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, invocable Fn&gt; </div>
<table class="memname">
<tr>
<td class="memname">using <a class="el" href="group__query.html#gabbb3ce2f521f38bcceb821a8eda51d5f">meta::reverse_find_if</a> = typedef <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt;detail::reverse_find_if_&lt;L, Fn&gt; &gt;</td>
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<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>Return the tail of the list <code>L</code> starting at the last element <code>A</code> such that <code>invoke&lt;Fn, A&gt;::value</code> is <code>true</code>, if any such element exists; the empty list, otherwise. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>. </dd></dl>
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<a id="ga6a29ed9ce437db81ee3a046e368e942f" name="ga6a29ed9ce437db81ee3a046e368e942f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga6a29ed9ce437db81ee3a046e368e942f">&#9670;&nbsp;</a></span>reverse_find_index</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;list_like L, typename T &gt; </div>
<table class="memname">
<tr>
<td class="memname">using <a class="el" href="group__query.html#ga6a29ed9ce437db81ee3a046e368e942f">meta::reverse_find_index</a> = typedef <a class="el" href="group__invocation.html#ga08e2193149605769f6052795ff0a87b1">_t</a>&lt;detail::reverse_find_index_&lt;L, T&gt; &gt;</td>
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</div><div class="memdoc">
<p><code>#include &lt;<a class="el" href="meta_8hpp.html">meta/meta.hpp</a>&gt;</code></p>
<p>Finds the index of the last occurrence of the type <code>T</code> within the list <code>L</code>. Returns <code>#<a class="el" href="group__list.html#gac6b96d77cd4223043591fe6e5819ecf8" title="A special value used to indicate no matches. It equals the maximum value representable by std::size_t...">meta::npos</a></code> if the type <code>T</code> was not found. </p>
<dl class="section user"><dt>Complexity</dt><dd><code>O(N)</code>.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><code>#<a class="el" href="group__list.html#gac6b96d77cd4223043591fe6e5819ecf8" title="A special value used to indicate no matches. It equals the maximum value representable by std::size_t...">meta::npos</a></code> </dd></dl>
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