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<div class="textblock"><code>#include &lt;<a class="el" href="impl_8h_source.html">utl/core/impl.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="integral_8h_source.html">utl/meta/integral.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="detection_8h_source.html">utl/meta/detection.h</a>&gt;</code><br />
<code>#include &lt;<a class="el" href="operations_8h_source.html">utl/meta/operations.h</a>&gt;</code><br />
</div>
<p><a href="meta_2invoke_8h_source.html">Go to the source code of this file.</a></p>
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1identity.html">utl::meta::identity&lt; _Tp &gt;</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1wrap.html">utl::meta::wrap&lt; F &gt;</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1wrap__i.html">utl::meta::wrap_i&lt; T, F &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wrap a template <code>F</code> taking literal constants of type <code>T</code> into an Invokable.  <a href="structutl_1_1meta_1_1wrap__i.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1is__applicable__.html">utl::meta::detail::is_applicable_&lt; F, T &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1is__applicable__q__.html">utl::meta::detail::is_applicable_q_&lt; F, T &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1is__applicable__i__.html">utl::meta::detail::is_applicable_i_&lt; T, F, Is &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1defer__.html">utl::meta::detail::defer_&lt; F, Ts &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1defer__i__.html">utl::meta::detail::defer_i_&lt; T, F, Is &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1quote.html">utl::meta::quote&lt; F &gt;</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1quote__i.html">utl::meta::quote_i&lt; T, F &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wrap a template <code>F</code> taking literal constants of type <code>T</code> into an Invokable.  <a href="structutl_1_1meta_1_1quote__i.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1compose__f__.html">utl::meta::detail::compose_f_&lt; Fns &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1compose__f___3_01_fn0_00_01_fns_8_8_8_01_4.html">utl::meta::detail::compose_f_&lt; Fn0, Fns... &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1compose__f___3_01_fn0_01_4.html">utl::meta::detail::compose_f_&lt; Fn0 &gt;</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1compose__.html">utl::meta::detail::compose_&lt; Fns &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1compose___3_01_fn0_00_01_fns_8_8_8_01_4.html">utl::meta::detail::compose_&lt; Fn0, Fns... &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1detail_1_1compose___3_01_fn0_01_4.html">utl::meta::detail::compose_&lt; Fn0 &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1bind__front.html">utl::meta::bind_front&lt; Fn, Ts &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1bind__back.html">utl::meta::bind_back&lt; Fn, Ts &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1same__as.html">utl::meta::same_as&lt; T1 &gt;</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1same__as_1_1apply.html">utl::meta::same_as&lt; T1 &gt;::apply&lt; T2 &gt;</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1not__same__as.html">utl::meta::not_same_as&lt; T1 &gt;</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structutl_1_1meta_1_1not__same__as_1_1apply.html">utl::meta::not_same_as&lt; T1 &gt;::apply&lt; T2 &gt;</a></td></tr>
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<tr class="memitem:namespaceutl"><td class="memItemLeft" align="right" valign="top"> &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceutl.html">utl</a></td></tr>
<tr class="memdesc:namespaceutl"><td class="mdescLeft">&#160;</td><td class="mdescRight">STL's core language concepts. <br /></td></tr>
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<tr class="memitem:namespaceutl_1_1meta"><td class="memItemLeft" align="right" valign="top"> &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html">utl::meta</a></td></tr>
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<tr class="memitem:namespaceutl_1_1meta_1_1detail"><td class="memItemLeft" align="right" valign="top"> &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta_1_1detail.html">utl::meta::detail</a></td></tr>
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Typedefs</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">meta::invoke</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>A meta-programming <a class="el" href="namespaceutl.html#adc675874b5426194d04112f76b356714" title="Invoke a callable object (for C++14) ">invoke()</a> analogous. A <code>meta::invocable</code> shall contain a nested template type named <b>apply</b> which is bind to actual invocable meta-function.</p>
<ul>
<li>We can use <code>wrap&lt;&gt;</code> or even better <code>quote&lt;&gt;</code> in order to wrap a metafunction to a type (metafunction class)</li>
<li>We can pass these wrapped types to other metafunctions</li>
<li>We can <code>invoke&lt;&gt;</code> the inner <code>apply</code> from a wrapped metafunction class. </li>
</ul>
</div></td></tr>
<tr class="memitem:a63c0b6b08f4c1d9bd3c4db7432e9b2af"><td class="memTemplParams" colspan="2">template&lt;typename _Tp &gt; </td></tr>
<tr class="memitem:a63c0b6b08f4c1d9bd3c4db7432e9b2af"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a63c0b6b08f4c1d9bd3c4db7432e9b2af">utl::meta::identity_t</a> = eval&lt; identity&lt; _Tp &gt; &gt;</td></tr>
<tr class="memdesc:a63c0b6b08f4c1d9bd3c4db7432e9b2af"><td class="mdescLeft">&#160;</td><td class="mdescRight">identity type alias  <a href="namespaceutl_1_1meta.html#a63c0b6b08f4c1d9bd3c4db7432e9b2af">More...</a><br /></td></tr>
<tr class="separator:a63c0b6b08f4c1d9bd3c4db7432e9b2af"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr class="memitem:a77630cd8adc01f7193f6cb834313d90f"><td class="memTemplParams" colspan="2">template&lt;typename Fn , typename... Args&gt; </td></tr>
<tr class="memitem:a77630cd8adc01f7193f6cb834313d90f"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a77630cd8adc01f7193f6cb834313d90f">utl::meta::invoke</a> = typename Fn::template apply&lt; Args... &gt;</td></tr>
<tr class="separator:a77630cd8adc01f7193f6cb834313d90f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac27f3e5f3ec42921d9f8a6bb85560cf1"><td class="memTemplParams" colspan="2">template&lt;typename Fn , typename... Args&gt; </td></tr>
<tr class="memitem:ac27f3e5f3ec42921d9f8a6bb85560cf1"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#ac27f3e5f3ec42921d9f8a6bb85560cf1">utl::meta::invoke_t</a> = eval&lt; invoke&lt; Fn, Args... &gt; &gt;</td></tr>
<tr class="separator:ac27f3e5f3ec42921d9f8a6bb85560cf1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr class="memitem:a695a94a2bbe51b0d0eec9bf82214d094"><td class="memTemplParams" colspan="2">template&lt;template&lt; typename... &gt; class F, typename... T&gt; </td></tr>
<tr class="memitem:a695a94a2bbe51b0d0eec9bf82214d094"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a695a94a2bbe51b0d0eec9bf82214d094">utl::meta::is_applicable_t</a> = eval&lt; detail::is_applicable_&lt; F, T... &gt; &gt;</td></tr>
<tr class="memdesc:a695a94a2bbe51b0d0eec9bf82214d094"><td class="mdescLeft">&#160;</td><td class="mdescRight">check if we can instantiate <code>F</code> with parameters <code>T</code>  <a href="namespaceutl_1_1meta.html#a695a94a2bbe51b0d0eec9bf82214d094">More...</a><br /></td></tr>
<tr class="separator:a695a94a2bbe51b0d0eec9bf82214d094"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a52c0afa73f63dc889e44cc6cc180f1f8"><td class="memTemplParams" colspan="2">template&lt;typename Q , typename... T&gt; </td></tr>
<tr class="memitem:a52c0afa73f63dc889e44cc6cc180f1f8"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a52c0afa73f63dc889e44cc6cc180f1f8">utl::meta::is_applicable_qt</a> = eval&lt; detail::is_applicable_q_&lt; Q, T... &gt; &gt;</td></tr>
<tr class="memdesc:a52c0afa73f63dc889e44cc6cc180f1f8"><td class="mdescLeft">&#160;</td><td class="mdescRight">check if we can invoke <code>Q</code> with parameters <code>T</code>  <a href="namespaceutl_1_1meta.html#a52c0afa73f63dc889e44cc6cc180f1f8">More...</a><br /></td></tr>
<tr class="separator:a52c0afa73f63dc889e44cc6cc180f1f8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:add602488265f07c7a3080355350cda70"><td class="memTemplParams" colspan="2">template&lt;typename T , template&lt; T... &gt; class F, T... Is&gt; </td></tr>
<tr class="memitem:add602488265f07c7a3080355350cda70"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#add602488265f07c7a3080355350cda70">utl::meta::is_applicable_it</a> = eval&lt; detail::is_applicable_i_&lt; T, F, Is... &gt; &gt;</td></tr>
<tr class="memdesc:add602488265f07c7a3080355350cda70"><td class="mdescLeft">&#160;</td><td class="mdescRight">check if we can instantiate <code>F</code> with parameters <code>Is</code> of type <code>T</code>  <a href="namespaceutl_1_1meta.html#add602488265f07c7a3080355350cda70">More...</a><br /></td></tr>
<tr class="separator:add602488265f07c7a3080355350cda70"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr class="memitem:a48f9a1220931596a9652351d2e7242be"><td class="memTemplParams" colspan="2">template&lt;template&lt; class... &gt; class F, class... Ts&gt; </td></tr>
<tr class="memitem:a48f9a1220931596a9652351d2e7242be"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a48f9a1220931596a9652351d2e7242be">utl::meta::defer</a> = if_&lt; detail::is_applicable_&lt; F, Ts... &gt;, detail::defer_&lt; F, Ts... &gt;, nil_ &gt;</td></tr>
<tr class="memdesc:a48f9a1220931596a9652351d2e7242be"><td class="mdescLeft">&#160;</td><td class="mdescRight">defer alias template for F&lt;Ts...&gt;  <a href="namespaceutl_1_1meta.html#a48f9a1220931596a9652351d2e7242be">More...</a><br /></td></tr>
<tr class="separator:a48f9a1220931596a9652351d2e7242be"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a01f183f337439e414184beedc9bcf9e3"><td class="memTemplParams" colspan="2">template&lt;typename T , template&lt; T... &gt; class F, T... Is&gt; </td></tr>
<tr class="memitem:a01f183f337439e414184beedc9bcf9e3"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a01f183f337439e414184beedc9bcf9e3">utl::meta::defer_i</a> = if_&lt; detail::is_applicable_i_&lt; T, F, Is... &gt;, detail::defer_i_&lt; T, F, Is... &gt;, nil_ &gt;</td></tr>
<tr class="memdesc:a01f183f337439e414184beedc9bcf9e3"><td class="mdescLeft">&#160;</td><td class="mdescRight">defer_i alias template for F&lt;T, Is...&gt;  <a href="namespaceutl_1_1meta.html#a01f183f337439e414184beedc9bcf9e3">More...</a><br /></td></tr>
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<tr class="memitem:a4f0c06cabe66bc73b703eb8509c7bb07"><td class="memTemplParams" colspan="2">template&lt;typename... Fns&gt; </td></tr>
<tr class="memitem:a4f0c06cabe66bc73b703eb8509c7bb07"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a4f0c06cabe66bc73b703eb8509c7bb07">utl::meta::compose</a> = detail::compose_&lt; Fns... &gt;</td></tr>
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<tr class="memitem:a729294327829b3068632da1235dc3090"><td class="memTemplParams" colspan="2">template&lt;template&lt; typename... &gt; class... Fns&gt; </td></tr>
<tr class="memitem:a729294327829b3068632da1235dc3090"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespaceutl_1_1meta.html#a729294327829b3068632da1235dc3090">utl::meta::compose_f</a> = detail::compose_f_&lt; Fns... &gt;</td></tr>
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