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 124   <div class="summary">
 125 <a href="#related">Synopsis of associated functions</a> &#124;
 126 <a href="#friends">Friends</a> &#124;
 127 <a href="#pub-static-methods">Static Public Member Functions</a> &#124;
 128 <a href="structboost_1_1hana_1_1integral__constant-members.html">List of all members</a>  </div>
 129   <div class="headertitle">
 130 <div class="title">boost::hana::integral_constant&lt; T, v &gt; Struct Template Reference<div class="ingroups"><a class="el" href="group__group-datatypes.html">Data types</a></div></div>  </div>
 131 </div><!--header-->
 132 <div class="contents">
 133 <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
 134 <div class="textblock"><h3>template&lt;typename T, T v&gt;<br />
 135 struct boost::hana::integral_constant&lt; T, v &gt;</h3>
 136
 137 <p>Compile-time value of an integral type. </p>
 138 <p>An <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> is an object that represents a compile-time integral value. As the name suggests, <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">hana::integral_constant</a></code> is basically equivalent to <code><a class="el" href="structstd_1_1integral__constant.html" title="Adapter for std::integral_constants. ">std::integral_constant</a></code>, except that <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">hana::integral_constant</a></code> also provide other goodies to make them easier to use, like arithmetic operators and similar features. In particular, <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">hana::integral_constant</a></code> is guaranteed to inherit from the corresponding <code><a class="el" href="structstd_1_1integral__constant.html" title="Adapter for std::integral_constants. ">std::integral_constant</a></code>, and hence have the same members and capabilities. The sections below explain the extensions to <code><a class="el" href="structstd_1_1integral__constant.html" title="Adapter for std::integral_constants. ">std::integral_constant</a></code> provided by <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">hana::integral_constant</a></code>.</p>
 139 <h2>Arithmetic operators </h2>
 140 <p><code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">hana::integral_constant</a></code> provides arithmetic operators that return <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">hana::integral_constant</a></code>s to ease writing compile-time arithmetic: </p><div class="fragment"><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(hana::int_c&lt;1&gt; + hana::int_c&lt;3&gt; == hana::int_c&lt;4&gt;);</div><div class="line"></div><div class="line"><span class="comment">// Mixed-type operations are supported, but only when it involves a</span></div><div class="line"><span class="comment">// promotion, and not a conversion that could be lossy.</span></div><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(hana::size_c&lt;3&gt; * hana::ushort_c&lt;5&gt; == hana::size_c&lt;15&gt;);</div><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(hana::llong_c&lt;15&gt; == hana::int_c&lt;15&gt;);</div></div><!-- fragment --><p> It is pretty important to realize that these operators return other <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code>s, not normal values of an integral type. Actually, all those operators work pretty much in the same way. Simply put, for an operator <code>@</code>, </p><div class="fragment"><div class="line">integral_constant&lt;T, x&gt;{} @ integral_constant&lt;T, y&gt;{} == integral_constant&lt;T, x @ y&gt;{}</div></div><!-- fragment --><p>The fact that the operators return <code>Constant</code>s is very important because it allows all the information that's known at compile-time to be conserved as long as it's only used with other values known at compile-time. It is also interesting to observe that whenever an <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> is combined with a normal runtime value, the result will be a runtime value (because of the implicit conversion). In general, this gives us the following table</p>
 141 <table class="doxtable">
 142 <tr>
 143 <th align="center">left operand </th><th align="center">right operand </th><th align="center">result  </th></tr>
 144 <tr>
 145 <td align="center"><code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> </td><td align="center"><code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> </td><td align="center"><code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> </td></tr>
 146 <tr>
 147 <td align="center"><code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> </td><td align="center">runtime </td><td align="center">runtime </td></tr>
 148 <tr>
 149 <td align="center">runtime </td><td align="center"><code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> </td><td align="center">runtime </td></tr>
 150 <tr>
 151 <td align="center">runtime </td><td align="center">runtime </td><td align="center">runtime </td></tr>
 152 </table>
 153 <p>The full range of provided operators is</p><ul>
 154 <li>Arithmetic: binary <code>+</code>, binary <code>-</code>, <code>/</code>, <code>*</code>, <code>%</code>, unary <code>+</code>, unary <code>-</code></li>
 155 <li>Bitwise: <code>~</code>, <code>&amp;</code>, <code>|</code>, <code>^</code>, <code>&lt;&lt;</code>, <code>&gt;&gt;</code></li>
 156 <li>Comparison: <code>==</code>, <code>!=</code>, <code>&lt;</code>, <code>&lt;=</code>, <code>&gt;</code>, <code>&gt;=</code></li>
 157 <li>Logical: <code>||</code>, <code>&amp;&amp;</code>, <code>!</code></li>
 158 </ul>
 159 <h2>Construction with user-defined literals </h2>
 160 <p><code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code>s of type <code>long long</code> can be created with the <code>_c</code> user-defined literal, which is contained in the <code>literals</code> namespace: </p><div class="fragment"><div class="line"><span class="keyword">using namespace </span>hana::literals; <span class="comment">// contains the _c suffix</span></div><div class="line"></div><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(1234_c == hana::llong_c&lt;1234&gt;);</div><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(-1234_c == hana::llong_c&lt;-1234&gt;);</div><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(1_c + (3_c * 4_c) == hana::llong_c&lt;1 + (3 * 4)&gt;);</div></div><!-- fragment --><h2>Modeled concepts </h2>
 161 <ol type="1">
 162 <li><code>Constant</code> and <code><a class="el" href="structboost_1_1hana_1_1IntegralConstant.html" title="The IntegralConstant concept represents compile-time integral values. ">IntegralConstant</a></code><br />
 163 An <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> is a model of the <code><a class="el" href="structboost_1_1hana_1_1IntegralConstant.html" title="The IntegralConstant concept represents compile-time integral values. ">IntegralConstant</a></code> concept in the most obvious way possible. Specifically, <div class="fragment"><div class="line"><a class="code" href="group__group-Constant.html#ga1687520692a6b0c49e3a69de2980f388">integral_constant&lt;T, v&gt;::value</a> == v <span class="comment">// of type T</span></div></div><!-- fragment --> The model of <code>Constant</code> follows naturally from the model of <code><a class="el" href="structboost_1_1hana_1_1IntegralConstant.html" title="The IntegralConstant concept represents compile-time integral values. ">IntegralConstant</a></code>, i.e. <div class="fragment"><div class="line">value&lt;integral_constant&lt;T, v&gt;&gt;() == v <span class="comment">// of type T</span></div></div><!-- fragment --></li>
 164 <li><code>Comparable</code>, <code>Orderable</code>, <code>Logical</code>, <code>Monoid</code>, <code>Group</code>, <code>Ring</code>, and <code>EuclideanRing</code>, <code>Hashable</code><br />
 165 Those models are exactly those provided for <code>Constant</code>s, which are documented in their respective concepts. </li>
 166 </ol>
 167 </div><table class="memberdecls">
 168 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="related"></a>
 169 Synopsis of associated functions</h2></td></tr>
 170 <tr class="memitem:adeaf00ee03ae0daf97d60d5258bd3703"><td class="memTemplParams" colspan="2">template&lt;bool b&gt; </td></tr>
 171 <tr class="memitem:adeaf00ee03ae0daf97d60d5258bd3703"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#adeaf00ee03ae0daf97d60d5258bd3703">bool_</a> = <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt; bool, b &gt;</td></tr>
 172 <tr class="separator:adeaf00ee03ae0daf97d60d5258bd3703"><td class="memSeparator" colspan="2">&#160;</td></tr>
 173 <tr class="memitem:ae0cf9368270efc7fdd2aeec497644892"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#ae0cf9368270efc7fdd2aeec497644892">true_</a> = <a class="el" href="structboost_1_1hana_1_1integral__constant.html#adeaf00ee03ae0daf97d60d5258bd3703">bool_</a>&lt; true &gt;</td></tr>
 174 <tr class="separator:ae0cf9368270efc7fdd2aeec497644892"><td class="memSeparator" colspan="2">&#160;</td></tr>
 175 <tr class="memitem:a84a8b7c3f824b4f0421d6a834601a0c4"><td class="memItemLeft" align="right" valign="top">using&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a84a8b7c3f824b4f0421d6a834601a0c4">false_</a> = <a class="el" href="structboost_1_1hana_1_1integral__constant.html#adeaf00ee03ae0daf97d60d5258bd3703">bool_</a>&lt; false &gt;</td></tr>
 176 <tr class="separator:a84a8b7c3f824b4f0421d6a834601a0c4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 177 <tr class="memitem:a08598ceb1797047d8938049b0cad6ccc"><td class="memTemplParams" colspan="2">template&lt;char c&gt; </td></tr>
 178 <tr class="memitem:a08598ceb1797047d8938049b0cad6ccc"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a08598ceb1797047d8938049b0cad6ccc">char_</a> = <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt; char, c &gt;</td></tr>
 179 <tr class="separator:a08598ceb1797047d8938049b0cad6ccc"><td class="memSeparator" colspan="2">&#160;</td></tr>
 180 <tr class="memitem:a217459eb4ffdd9580b5d8e1bf36d7ac4"><td class="memTemplParams" colspan="2">template&lt;short i&gt; </td></tr>
 181 <tr class="memitem:a217459eb4ffdd9580b5d8e1bf36d7ac4"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a217459eb4ffdd9580b5d8e1bf36d7ac4">short_</a> = <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt; short, i &gt;</td></tr>
 182 <tr class="separator:a217459eb4ffdd9580b5d8e1bf36d7ac4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 183 <tr class="memitem:a69a1bcadc259af364eb87d634c76c12e"><td class="memTemplParams" colspan="2">template&lt;unsigned short i&gt; </td></tr>
 184 <tr class="memitem:a69a1bcadc259af364eb87d634c76c12e"><td class="memTemplItemLeft" align="right" valign="top">using&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a69a1bcadc259af364eb87d634c76c12e">ushort_</a> = <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt; unsigned short, i &gt;</td></tr>
 185 <tr class="separator:a69a1bcadc259af364eb87d634c76c12e"><td class="memSeparator" colspan="2">&#160;</td></tr>
 186 <tr class="memitem:ab4891bf3aec7c15fa2d91c8fbacf4563"><td class="memTemplParams" colspan="2">template&lt;int i&gt; </td></tr>
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 210 <tr class="separator:a8e52c0f4a65a852dc88f97259a05ff17"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 219 <tr class="memitem:aca22320011be96155645b79fe53dd8c2"><td class="memTemplItemLeft" align="right" valign="top">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a08598ceb1797047d8938049b0cad6ccc">char_</a>&lt; c &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#aca22320011be96155645b79fe53dd8c2">char_c</a> {}</td></tr>
 220 <tr class="separator:aca22320011be96155645b79fe53dd8c2"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 222 <tr class="memitem:aaf48189e927611ea460974ba01beb2c7"><td class="memTemplItemLeft" align="right" valign="top">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a217459eb4ffdd9580b5d8e1bf36d7ac4">short_</a>&lt; i &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#aaf48189e927611ea460974ba01beb2c7">short_c</a> {}</td></tr>
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 224 <tr class="memitem:ace7c983d1ffed3a1ff10b5287d2c6ddd"><td class="memTemplParams" colspan="2">template&lt;unsigned short i&gt; </td></tr>
 225 <tr class="memitem:ace7c983d1ffed3a1ff10b5287d2c6ddd"><td class="memTemplItemLeft" align="right" valign="top">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a69a1bcadc259af364eb87d634c76c12e">ushort_</a>&lt; i &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#ace7c983d1ffed3a1ff10b5287d2c6ddd">ushort_c</a> {}</td></tr>
 226 <tr class="separator:ace7c983d1ffed3a1ff10b5287d2c6ddd"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 228 <tr class="memitem:a8669179fa3d068951014b3be07a7d673"><td class="memTemplItemLeft" align="right" valign="top">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#ab4891bf3aec7c15fa2d91c8fbacf4563">int_</a>&lt; i &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a8669179fa3d068951014b3be07a7d673">int_c</a> {}</td></tr>
 229 <tr class="separator:a8669179fa3d068951014b3be07a7d673"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 234 <tr class="memitem:ab7e3b17ac89121823916ebd7c6f96235"><td class="memTemplItemLeft" align="right" valign="top">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a41f541c4b34b1972d0e84bf10f7908e1">long_</a>&lt; i &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#ab7e3b17ac89121823916ebd7c6f96235">long_c</a> {}</td></tr>
 235 <tr class="separator:ab7e3b17ac89121823916ebd7c6f96235"><td class="memSeparator" colspan="2">&#160;</td></tr>
 236 <tr class="memitem:a65df6bbd2d90432bdcdc709cdbca9921"><td class="memTemplParams" colspan="2">template&lt;unsigned long i&gt; </td></tr>
 237 <tr class="memitem:a65df6bbd2d90432bdcdc709cdbca9921"><td class="memTemplItemLeft" align="right" valign="top">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#aedb2b03831973b4b54c5d0abce1af63c">ulong</a>&lt; i &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a65df6bbd2d90432bdcdc709cdbca9921">ulong_c</a> {}</td></tr>
 238 <tr class="separator:a65df6bbd2d90432bdcdc709cdbca9921"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 244 <tr class="separator:a186b6fdf81c9be08f42576cafd63b38d"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 247 <tr class="separator:ac49b8fd71a0ef9229511bd7d6cc0f150"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 249 <tr class="memitem:a1c078fd00db48686ca9e0aa17f47344e"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a1c078fd00db48686ca9e0aa17f47344e">operator&quot;&quot;_c</a> ()</td></tr>
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 251 <tr class="separator:a1c078fd00db48686ca9e0aa17f47344e"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 253 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
 254 Friends</h2></td></tr>
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 256 template&lt;typename X , typename Y &gt; </td></tr>
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 259 <tr class="separator:a077af435df78fdb178f98b109c8c4297"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 261 template&lt;typename X , typename Y &gt; </td></tr>
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 264 <tr class="separator:a51facf9760bb93d63efdca06dcf859ad"><td class="memSeparator" colspan="2">&#160;</td></tr>
 265 <tr class="memitem:a6be175332d55b7bfcf1afc33856d9b7d"><td class="memTemplParams" colspan="2"><a class="anchor" id="a6be175332d55b7bfcf1afc33856d9b7d"></a>
 266 template&lt;typename X &gt; </td></tr>
 267 <tr class="memitem:a6be175332d55b7bfcf1afc33856d9b7d"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a6be175332d55b7bfcf1afc33856d9b7d">operator-</a> (X &amp;&amp;x)</td></tr>
 268 <tr class="memdesc:a6be175332d55b7bfcf1afc33856d9b7d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Group.html#ga02e81002f40ba52eac4cf1974c7e0cdb" title="Return the inverse of an element of a group. ">hana::negate</a></code> <br /></td></tr>
 269 <tr class="separator:a6be175332d55b7bfcf1afc33856d9b7d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 270 <tr class="memitem:a673f1d9212ae61e8cee093af002bc110"><td class="memTemplParams" colspan="2"><a class="anchor" id="a673f1d9212ae61e8cee093af002bc110"></a>
 271 template&lt;typename X , typename Y &gt; </td></tr>
 272 <tr class="memitem:a673f1d9212ae61e8cee093af002bc110"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a673f1d9212ae61e8cee093af002bc110">operator*</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 273 <tr class="memdesc:a673f1d9212ae61e8cee093af002bc110"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Ring.html#ga052d31c269a6a438cc8004c9ad1efdfa" title="Associative operation of a Ring. ">hana::mult</a></code> <br /></td></tr>
 274 <tr class="separator:a673f1d9212ae61e8cee093af002bc110"><td class="memSeparator" colspan="2">&#160;</td></tr>
 275 <tr class="memitem:ab8b66ff58605e53149aad7eca0922ad7"><td class="memTemplParams" colspan="2"><a class="anchor" id="ab8b66ff58605e53149aad7eca0922ad7"></a>
 276 template&lt;typename X , typename Y &gt; </td></tr>
 277 <tr class="memitem:ab8b66ff58605e53149aad7eca0922ad7"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#ab8b66ff58605e53149aad7eca0922ad7">operator/</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 278 <tr class="memdesc:ab8b66ff58605e53149aad7eca0922ad7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-EuclideanRing.html#ga4225a7988ce98903228913dde53762df" title="Generalized integer division. ">hana::div</a></code> <br /></td></tr>
 279 <tr class="separator:ab8b66ff58605e53149aad7eca0922ad7"><td class="memSeparator" colspan="2">&#160;</td></tr>
 280 <tr class="memitem:ad2fabb33632e115e96d0b7474670e6a1"><td class="memTemplParams" colspan="2"><a class="anchor" id="ad2fabb33632e115e96d0b7474670e6a1"></a>
 281 template&lt;typename X , typename Y &gt; </td></tr>
 282 <tr class="memitem:ad2fabb33632e115e96d0b7474670e6a1"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#ad2fabb33632e115e96d0b7474670e6a1">operator%</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 283 <tr class="memdesc:ad2fabb33632e115e96d0b7474670e6a1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-EuclideanRing.html#ga9b47b223d5b02db933b3c93b5bd1a062" title="Generalized integer modulus.Given two elements of an EuclideanRing x and y, with y nonzero...">hana::mod</a></code> <br /></td></tr>
 284 <tr class="separator:ad2fabb33632e115e96d0b7474670e6a1"><td class="memSeparator" colspan="2">&#160;</td></tr>
 285 <tr class="memitem:a27607958295e6da8a0ba602a2db468f1"><td class="memTemplParams" colspan="2"><a class="anchor" id="a27607958295e6da8a0ba602a2db468f1"></a>
 286 template&lt;typename X , typename Y &gt; </td></tr>
 287 <tr class="memitem:a27607958295e6da8a0ba602a2db468f1"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a27607958295e6da8a0ba602a2db468f1">operator==</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 288 <tr class="memdesc:a27607958295e6da8a0ba602a2db468f1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Comparable.html#gacaf1ebea6b3ab96ac9dcb82f0e64e547" title="Returns a Logical representing whether x is equal to y.The equal function can be called in two differ...">hana::equal</a></code> <br /></td></tr>
 289 <tr class="separator:a27607958295e6da8a0ba602a2db468f1"><td class="memSeparator" colspan="2">&#160;</td></tr>
 290 <tr class="memitem:a0cae3af55edb3eb05bfa184bda633f7d"><td class="memTemplParams" colspan="2"><a class="anchor" id="a0cae3af55edb3eb05bfa184bda633f7d"></a>
 291 template&lt;typename X , typename Y &gt; </td></tr>
 292 <tr class="memitem:a0cae3af55edb3eb05bfa184bda633f7d"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a0cae3af55edb3eb05bfa184bda633f7d">operator!=</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 293 <tr class="memdesc:a0cae3af55edb3eb05bfa184bda633f7d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Comparable.html#gae33be2e0d5e04f19082f4b7740dfc9cd" title="Returns a Logical representing whether x is not equal to y.The not_equal function can be called in tw...">hana::not_equal</a></code> <br /></td></tr>
 294 <tr class="separator:a0cae3af55edb3eb05bfa184bda633f7d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 295 <tr class="memitem:a883a869b5e96e32744ebf75d63c763ae"><td class="memTemplParams" colspan="2"><a class="anchor" id="a883a869b5e96e32744ebf75d63c763ae"></a>
 296 template&lt;typename X , typename Y &gt; </td></tr>
 297 <tr class="memitem:a883a869b5e96e32744ebf75d63c763ae"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a883a869b5e96e32744ebf75d63c763ae">operator||</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 298 <tr class="memdesc:a883a869b5e96e32744ebf75d63c763ae"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Logical.html#ga68c00efbeb69339bfa157a78ebdd3f87" title="Return whether any of the arguments is true-valued.or_ can be called with one argument or more...">hana::or_</a></code> <br /></td></tr>
 299 <tr class="separator:a883a869b5e96e32744ebf75d63c763ae"><td class="memSeparator" colspan="2">&#160;</td></tr>
 300 <tr class="memitem:a47d2d5df22fc559270029d5eabaae61a"><td class="memTemplParams" colspan="2"><a class="anchor" id="a47d2d5df22fc559270029d5eabaae61a"></a>
 301 template&lt;typename X , typename Y &gt; </td></tr>
 302 <tr class="memitem:a47d2d5df22fc559270029d5eabaae61a"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a47d2d5df22fc559270029d5eabaae61a">operator&amp;&amp;</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 303 <tr class="memdesc:a47d2d5df22fc559270029d5eabaae61a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Logical.html#ga14066f5672867c123524e0e0978069eb" title="Return whether all the arguments are true-valued.and_ can be called with one argument or more...">hana::and_</a></code> <br /></td></tr>
 304 <tr class="separator:a47d2d5df22fc559270029d5eabaae61a"><td class="memSeparator" colspan="2">&#160;</td></tr>
 305 <tr class="memitem:a7d9f9e5adeb222e676ee02d6f28198ee"><td class="memTemplParams" colspan="2"><a class="anchor" id="a7d9f9e5adeb222e676ee02d6f28198ee"></a>
 306 template&lt;typename X &gt; </td></tr>
 307 <tr class="memitem:a7d9f9e5adeb222e676ee02d6f28198ee"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a7d9f9e5adeb222e676ee02d6f28198ee">operator!</a> (X &amp;&amp;x)</td></tr>
 308 <tr class="memdesc:a7d9f9e5adeb222e676ee02d6f28198ee"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Logical.html#ga4a7c9d7037601d5e553fd20777958980" title="Negates a Logical.This method returns a Logical with the same tag, but whose truth-value is negated...">hana::not_</a></code> <br /></td></tr>
 309 <tr class="separator:a7d9f9e5adeb222e676ee02d6f28198ee"><td class="memSeparator" colspan="2">&#160;</td></tr>
 310 <tr class="memitem:ada078dcf9e68b8e9a82b33c75dde8457"><td class="memTemplParams" colspan="2"><a class="anchor" id="ada078dcf9e68b8e9a82b33c75dde8457"></a>
 311 template&lt;typename X , typename Y &gt; </td></tr>
 312 <tr class="memitem:ada078dcf9e68b8e9a82b33c75dde8457"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#ada078dcf9e68b8e9a82b33c75dde8457">operator&lt;</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 313 <tr class="memdesc:ada078dcf9e68b8e9a82b33c75dde8457"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Orderable.html#gad510011602bdb14686f1c4ec145301c9" title="Returns a Logical representing whether x is less than y. ">hana::less</a></code> <br /></td></tr>
 314 <tr class="separator:ada078dcf9e68b8e9a82b33c75dde8457"><td class="memSeparator" colspan="2">&#160;</td></tr>
 315 <tr class="memitem:aedd11fddefddbbbb87d3b24c7117528f"><td class="memTemplParams" colspan="2"><a class="anchor" id="aedd11fddefddbbbb87d3b24c7117528f"></a>
 316 template&lt;typename X , typename Y &gt; </td></tr>
 317 <tr class="memitem:aedd11fddefddbbbb87d3b24c7117528f"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#aedd11fddefddbbbb87d3b24c7117528f">operator&gt;</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 318 <tr class="memdesc:aedd11fddefddbbbb87d3b24c7117528f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Orderable.html#gaf9a073eafebbe514fb19dff82318f198" title="Returns a Logical representing whether x is greater than y. ">hana::greater</a></code> <br /></td></tr>
 319 <tr class="separator:aedd11fddefddbbbb87d3b24c7117528f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 320 <tr class="memitem:a53817979990da799e659b2576799a79a"><td class="memTemplParams" colspan="2"><a class="anchor" id="a53817979990da799e659b2576799a79a"></a>
 321 template&lt;typename X , typename Y &gt; </td></tr>
 322 <tr class="memitem:a53817979990da799e659b2576799a79a"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a53817979990da799e659b2576799a79a">operator&lt;=</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 323 <tr class="memdesc:a53817979990da799e659b2576799a79a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Orderable.html#ga9917dd82beb67151bf5657245d37b851" title="Returns a Logical representing whether x is less than or equal to y. ">hana::less_equal</a></code> <br /></td></tr>
 324 <tr class="separator:a53817979990da799e659b2576799a79a"><td class="memSeparator" colspan="2">&#160;</td></tr>
 325 <tr class="memitem:aa3f0436b623de5208767751e1e9f7e59"><td class="memTemplParams" colspan="2"><a class="anchor" id="aa3f0436b623de5208767751e1e9f7e59"></a>
 326 template&lt;typename X , typename Y &gt; </td></tr>
 327 <tr class="memitem:aa3f0436b623de5208767751e1e9f7e59"><td class="memTemplItemLeft" align="right" valign="top">constexpr auto&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#aa3f0436b623de5208767751e1e9f7e59">operator&gt;=</a> (X &amp;&amp;x, Y &amp;&amp;y)</td></tr>
 328 <tr class="memdesc:aa3f0436b623de5208767751e1e9f7e59"><td class="mdescLeft">&#160;</td><td class="mdescRight">Equivalent to <code><a class="el" href="group__group-Orderable.html#ga6023631e7d0a01e16dc3fa4221fbd703" title="Returns a Logical representing whether x is greater than or equal to y. ">hana::greater_equal</a></code> <br /></td></tr>
 329 <tr class="separator:aa3f0436b623de5208767751e1e9f7e59"><td class="memSeparator" colspan="2">&#160;</td></tr>
 330 </table><table class="memberdecls">
 331 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
 332 Static Public Member Functions</h2></td></tr>
 333 <tr class="memitem:a2d4bda4a9114a5e803a91def599fae76"><td class="memTemplParams" colspan="2">template&lt;typename F &gt; </td></tr>
 334 <tr class="memitem:a2d4bda4a9114a5e803a91def599fae76"><td class="memTemplItemLeft" align="right" valign="top">static constexpr void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="structboost_1_1hana_1_1integral__constant.html#a2d4bda4a9114a5e803a91def599fae76">times</a> (F &amp;&amp;f)</td></tr>
 335 <tr class="memdesc:a2d4bda4a9114a5e803a91def599fae76"><td class="mdescLeft">&#160;</td><td class="mdescRight">Call a function n times.  <a href="#a2d4bda4a9114a5e803a91def599fae76">More...</a><br /></td></tr>
 336 <tr class="separator:a2d4bda4a9114a5e803a91def599fae76"><td class="memSeparator" colspan="2">&#160;</td></tr>
 337 </table>
 338 <h2 class="groupheader">Associated functions</h2>
 339 <a class="anchor" id="adeaf00ee03ae0daf97d60d5258bd3703"></a>
 340 <div class="memitem">
 341 <div class="memproto">
 342 <div class="memtemplate">
 343 template&lt;typename T, T v&gt; </div>
 344 <div class="memtemplate">
 345 template&lt;bool b&gt; </div>
 346 <table class="mlabels">
 347   <tr>
 348   <td class="mlabels-left">
 349       <table class="memname">
 350         <tr>
 351           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#adeaf00ee03ae0daf97d60d5258bd3703">bool_</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;bool, b&gt;</td>
 352         </tr>
 353       </table>
 354   </td>
 355   <td class="mlabels-right">
 356 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 357   </tr>
 358 </table>
 359 </div><div class="memdoc">
 360
 361 </div>
 362 </div>
 363 <a class="anchor" id="ae0cf9368270efc7fdd2aeec497644892"></a>
 364 <div class="memitem">
 365 <div class="memproto">
 366 <div class="memtemplate">
 367 template&lt;typename T, T v&gt; </div>
 368 <table class="mlabels">
 369   <tr>
 370   <td class="mlabels-left">
 371       <table class="memname">
 372         <tr>
 373           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#ae0cf9368270efc7fdd2aeec497644892">true_</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html#adeaf00ee03ae0daf97d60d5258bd3703">bool_</a>&lt;true&gt;</td>
 374         </tr>
 375       </table>
 376   </td>
 377   <td class="mlabels-right">
 378 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 379   </tr>
 380 </table>
 381 </div><div class="memdoc">
 382
 383 </div>
 384 </div>
 385 <a class="anchor" id="a84a8b7c3f824b4f0421d6a834601a0c4"></a>
 386 <div class="memitem">
 387 <div class="memproto">
 388 <div class="memtemplate">
 389 template&lt;typename T, T v&gt; </div>
 390 <table class="mlabels">
 391   <tr>
 392   <td class="mlabels-left">
 393       <table class="memname">
 394         <tr>
 395           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a84a8b7c3f824b4f0421d6a834601a0c4">false_</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html#adeaf00ee03ae0daf97d60d5258bd3703">bool_</a>&lt;false&gt;</td>
 396         </tr>
 397       </table>
 398   </td>
 399   <td class="mlabels-right">
 400 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 401   </tr>
 402 </table>
 403 </div><div class="memdoc">
 404
 405 </div>
 406 </div>
 407 <a class="anchor" id="a08598ceb1797047d8938049b0cad6ccc"></a>
 408 <div class="memitem">
 409 <div class="memproto">
 410 <div class="memtemplate">
 411 template&lt;typename T, T v&gt; </div>
 412 <div class="memtemplate">
 413 template&lt;char c&gt; </div>
 414 <table class="mlabels">
 415   <tr>
 416   <td class="mlabels-left">
 417       <table class="memname">
 418         <tr>
 419           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a08598ceb1797047d8938049b0cad6ccc">char_</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;char, c&gt;</td>
 420         </tr>
 421       </table>
 422   </td>
 423   <td class="mlabels-right">
 424 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 425   </tr>
 426 </table>
 427 </div><div class="memdoc">
 428
 429 </div>
 430 </div>
 431 <a class="anchor" id="a217459eb4ffdd9580b5d8e1bf36d7ac4"></a>
 432 <div class="memitem">
 433 <div class="memproto">
 434 <div class="memtemplate">
 435 template&lt;typename T, T v&gt; </div>
 436 <div class="memtemplate">
 437 template&lt;short i&gt; </div>
 438 <table class="mlabels">
 439   <tr>
 440   <td class="mlabels-left">
 441       <table class="memname">
 442         <tr>
 443           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a217459eb4ffdd9580b5d8e1bf36d7ac4">short_</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;short, i&gt;</td>
 444         </tr>
 445       </table>
 446   </td>
 447   <td class="mlabels-right">
 448 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 449   </tr>
 450 </table>
 451 </div><div class="memdoc">
 452
 453 </div>
 454 </div>
 455 <a class="anchor" id="a69a1bcadc259af364eb87d634c76c12e"></a>
 456 <div class="memitem">
 457 <div class="memproto">
 458 <div class="memtemplate">
 459 template&lt;typename T, T v&gt; </div>
 460 <div class="memtemplate">
 461 template&lt;unsigned short i&gt; </div>
 462 <table class="mlabels">
 463   <tr>
 464   <td class="mlabels-left">
 465       <table class="memname">
 466         <tr>
 467           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a69a1bcadc259af364eb87d634c76c12e">ushort_</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;unsigned short, i&gt;</td>
 468         </tr>
 469       </table>
 470   </td>
 471   <td class="mlabels-right">
 472 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 473   </tr>
 474 </table>
 475 </div><div class="memdoc">
 476
 477 </div>
 478 </div>
 479 <a class="anchor" id="ab4891bf3aec7c15fa2d91c8fbacf4563"></a>
 480 <div class="memitem">
 481 <div class="memproto">
 482 <div class="memtemplate">
 483 template&lt;typename T, T v&gt; </div>
 484 <div class="memtemplate">
 485 template&lt;int i&gt; </div>
 486 <table class="mlabels">
 487   <tr>
 488   <td class="mlabels-left">
 489       <table class="memname">
 490         <tr>
 491           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#ab4891bf3aec7c15fa2d91c8fbacf4563">int_</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;int, i&gt;</td>
 492         </tr>
 493       </table>
 494   </td>
 495   <td class="mlabels-right">
 496 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 497   </tr>
 498 </table>
 499 </div><div class="memdoc">
 500
 501 </div>
 502 </div>
 503 <a class="anchor" id="a5071dd223185718f85da1db48fb95d80"></a>
 504 <div class="memitem">
 505 <div class="memproto">
 506 <div class="memtemplate">
 507 template&lt;typename T, T v&gt; </div>
 508 <div class="memtemplate">
 509 template&lt;unsigned int i&gt; </div>
 510 <table class="mlabels">
 511   <tr>
 512   <td class="mlabels-left">
 513       <table class="memname">
 514         <tr>
 515           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a5071dd223185718f85da1db48fb95d80">uint</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;unsigned int, i&gt;</td>
 516         </tr>
 517       </table>
 518   </td>
 519   <td class="mlabels-right">
 520 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 521   </tr>
 522 </table>
 523 </div><div class="memdoc">
 524
 525 </div>
 526 </div>
 527 <a class="anchor" id="a41f541c4b34b1972d0e84bf10f7908e1"></a>
 528 <div class="memitem">
 529 <div class="memproto">
 530 <div class="memtemplate">
 531 template&lt;typename T, T v&gt; </div>
 532 <div class="memtemplate">
 533 template&lt;long i&gt; </div>
 534 <table class="mlabels">
 535   <tr>
 536   <td class="mlabels-left">
 537       <table class="memname">
 538         <tr>
 539           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a41f541c4b34b1972d0e84bf10f7908e1">long_</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;long, i&gt;</td>
 540         </tr>
 541       </table>
 542   </td>
 543   <td class="mlabels-right">
 544 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 545   </tr>
 546 </table>
 547 </div><div class="memdoc">
 548
 549 </div>
 550 </div>
 551 <a class="anchor" id="aedb2b03831973b4b54c5d0abce1af63c"></a>
 552 <div class="memitem">
 553 <div class="memproto">
 554 <div class="memtemplate">
 555 template&lt;typename T, T v&gt; </div>
 556 <div class="memtemplate">
 557 template&lt;unsigned long i&gt; </div>
 558 <table class="mlabels">
 559   <tr>
 560   <td class="mlabels-left">
 561       <table class="memname">
 562         <tr>
 563           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#aedb2b03831973b4b54c5d0abce1af63c">ulong</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;unsigned long, i&gt;</td>
 564         </tr>
 565       </table>
 566   </td>
 567   <td class="mlabels-right">
 568 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 569   </tr>
 570 </table>
 571 </div><div class="memdoc">
 572
 573 </div>
 574 </div>
 575 <a class="anchor" id="aa7bf152c582934a70baa1d6c2bc758ba"></a>
 576 <div class="memitem">
 577 <div class="memproto">
 578 <div class="memtemplate">
 579 template&lt;typename T, T v&gt; </div>
 580 <div class="memtemplate">
 581 template&lt;long long i&gt; </div>
 582 <table class="mlabels">
 583   <tr>
 584   <td class="mlabels-left">
 585       <table class="memname">
 586         <tr>
 587           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#aa7bf152c582934a70baa1d6c2bc758ba">llong</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;long long, i&gt;</td>
 588         </tr>
 589       </table>
 590   </td>
 591   <td class="mlabels-right">
 592 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 593   </tr>
 594 </table>
 595 </div><div class="memdoc">
 596
 597 </div>
 598 </div>
 599 <a class="anchor" id="a112e62e2d698846ca9e3940eb15333d3"></a>
 600 <div class="memitem">
 601 <div class="memproto">
 602 <div class="memtemplate">
 603 template&lt;typename T, T v&gt; </div>
 604 <div class="memtemplate">
 605 template&lt;unsigned long long i&gt; </div>
 606 <table class="mlabels">
 607   <tr>
 608   <td class="mlabels-left">
 609       <table class="memname">
 610         <tr>
 611           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a112e62e2d698846ca9e3940eb15333d3">ullong</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;unsigned long long, i&gt;</td>
 612         </tr>
 613       </table>
 614   </td>
 615   <td class="mlabels-right">
 616 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 617   </tr>
 618 </table>
 619 </div><div class="memdoc">
 620
 621 </div>
 622 </div>
 623 <a class="anchor" id="a022e29dcd19f546f3ac35254f11e56de"></a>
 624 <div class="memitem">
 625 <div class="memproto">
 626 <div class="memtemplate">
 627 template&lt;typename T, T v&gt; </div>
 628 <div class="memtemplate">
 629 template&lt;std::size_t i&gt; </div>
 630 <table class="mlabels">
 631   <tr>
 632   <td class="mlabels-left">
 633       <table class="memname">
 634         <tr>
 635           <td class="memname">using <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a022e29dcd19f546f3ac35254f11e56de">size_t</a> =  <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;std::size_t, i&gt;</td>
 636         </tr>
 637       </table>
 638   </td>
 639   <td class="mlabels-right">
 640 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 641   </tr>
 642 </table>
 643 </div><div class="memdoc">
 644
 645 </div>
 646 </div>
 647 <a class="anchor" id="a8e52c0f4a65a852dc88f97259a05ff17"></a>
 648 <div class="memitem">
 649 <div class="memproto">
 650 <div class="memtemplate">
 651 template&lt;typename T, T v&gt; </div>
 652 <div class="memtemplate">
 653 template&lt;typename T , T v&gt; </div>
 654 <table class="mlabels">
 655   <tr>
 656   <td class="mlabels-left">
 657       <table class="memname">
 658         <tr>
 659           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html">integral_constant</a>&lt;T, v&gt; integral_c {}</td>
 660         </tr>
 661       </table>
 662   </td>
 663   <td class="mlabels-right">
 664 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 665   </tr>
 666 </table>
 667 </div><div class="memdoc">
 668
 669 <p>Creates an <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code> holding the given compile-time value. </p>
 670 <p>Specifically, <code>integral_c&lt;T, v&gt;</code> is a <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">hana::integral_constant</a></code> holding the compile-time value <code>v</code> of an integral type <code>T</code>.</p>
 671 <dl class="tparams"><dt>Template Parameters</dt><dd>
 672   <table class="tparams">
 673     <tr><td class="paramname">T</td><td>The type of the value to hold in the <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code>. It must be an integral type.</td></tr>
 674     <tr><td class="paramname">v</td><td>The integral value to hold in the <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code>.</td></tr>
 675   </table>
 676   </dd>
 677 </dl>
 678 <h2>Example </h2>
 679 <div class="fragment"><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(hana::integral_c&lt;int, 2&gt; == hana::int_c&lt;2&gt;);</div><div class="line">static_assert(decltype(hana::integral_c&lt;int, 2&gt;)::<a class="code" href="group__group-Constant.html#ga1687520692a6b0c49e3a69de2980f388">value</a> == 2, <span class="stringliteral">&quot;&quot;</span>);</div></div><!-- fragment -->
 680 </div>
 681 </div>
 682 <a class="anchor" id="aa301b96de91d665fdc846bde4659b0d3"></a>
 683 <div class="memitem">
 684 <div class="memproto">
 685 <div class="memtemplate">
 686 template&lt;typename T, T v&gt; </div>
 687 <div class="memtemplate">
 688 template&lt;bool b&gt; </div>
 689 <table class="mlabels">
 690   <tr>
 691   <td class="mlabels-left">
 692       <table class="memname">
 693         <tr>
 694           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#adeaf00ee03ae0daf97d60d5258bd3703">bool_</a>&lt;b&gt; bool_c {}</td>
 695         </tr>
 696       </table>
 697   </td>
 698   <td class="mlabels-right">
 699 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 700   </tr>
 701 </table>
 702 </div><div class="memdoc">
 703
 704 </div>
 705 </div>
 706 <a class="anchor" id="a96c109b048f822be0ca7578c93694405"></a>
 707 <div class="memitem">
 708 <div class="memproto">
 709 <div class="memtemplate">
 710 template&lt;typename T, T v&gt; </div>
 711 <table class="mlabels">
 712   <tr>
 713   <td class="mlabels-left">
 714       <table class="memname">
 715         <tr>
 716           <td class="memname">constexpr auto true_c = <a class="el" href="structboost_1_1hana_1_1integral__constant.html#aa301b96de91d665fdc846bde4659b0d3">bool_c</a>&lt;true&gt;</td>
 717         </tr>
 718       </table>
 719   </td>
 720   <td class="mlabels-right">
 721 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 722   </tr>
 723 </table>
 724 </div><div class="memdoc">
 725
 726 </div>
 727 </div>
 728 <a class="anchor" id="aec1a5deaa7bcdf7c07c2da4af8959454"></a>
 729 <div class="memitem">
 730 <div class="memproto">
 731 <div class="memtemplate">
 732 template&lt;typename T, T v&gt; </div>
 733 <table class="mlabels">
 734   <tr>
 735   <td class="mlabels-left">
 736       <table class="memname">
 737         <tr>
 738           <td class="memname">constexpr auto false_c = <a class="el" href="structboost_1_1hana_1_1integral__constant.html#aa301b96de91d665fdc846bde4659b0d3">bool_c</a>&lt;false&gt;</td>
 739         </tr>
 740       </table>
 741   </td>
 742   <td class="mlabels-right">
 743 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 744   </tr>
 745 </table>
 746 </div><div class="memdoc">
 747
 748 </div>
 749 </div>
 750 <a class="anchor" id="aca22320011be96155645b79fe53dd8c2"></a>
 751 <div class="memitem">
 752 <div class="memproto">
 753 <div class="memtemplate">
 754 template&lt;typename T, T v&gt; </div>
 755 <div class="memtemplate">
 756 template&lt;char c&gt; </div>
 757 <table class="mlabels">
 758   <tr>
 759   <td class="mlabels-left">
 760       <table class="memname">
 761         <tr>
 762           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a08598ceb1797047d8938049b0cad6ccc">char_</a>&lt;c&gt; char_c {}</td>
 763         </tr>
 764       </table>
 765   </td>
 766   <td class="mlabels-right">
 767 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 768   </tr>
 769 </table>
 770 </div><div class="memdoc">
 771
 772 </div>
 773 </div>
 774 <a class="anchor" id="aaf48189e927611ea460974ba01beb2c7"></a>
 775 <div class="memitem">
 776 <div class="memproto">
 777 <div class="memtemplate">
 778 template&lt;typename T, T v&gt; </div>
 779 <div class="memtemplate">
 780 template&lt;short i&gt; </div>
 781 <table class="mlabels">
 782   <tr>
 783   <td class="mlabels-left">
 784       <table class="memname">
 785         <tr>
 786           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a217459eb4ffdd9580b5d8e1bf36d7ac4">short_</a>&lt;i&gt; short_c {}</td>
 787         </tr>
 788       </table>
 789   </td>
 790   <td class="mlabels-right">
 791 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 792   </tr>
 793 </table>
 794 </div><div class="memdoc">
 795
 796 </div>
 797 </div>
 798 <a class="anchor" id="ace7c983d1ffed3a1ff10b5287d2c6ddd"></a>
 799 <div class="memitem">
 800 <div class="memproto">
 801 <div class="memtemplate">
 802 template&lt;typename T, T v&gt; </div>
 803 <div class="memtemplate">
 804 template&lt;unsigned short i&gt; </div>
 805 <table class="mlabels">
 806   <tr>
 807   <td class="mlabels-left">
 808       <table class="memname">
 809         <tr>
 810           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a69a1bcadc259af364eb87d634c76c12e">ushort_</a>&lt;i&gt; ushort_c {}</td>
 811         </tr>
 812       </table>
 813   </td>
 814   <td class="mlabels-right">
 815 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 816   </tr>
 817 </table>
 818 </div><div class="memdoc">
 819
 820 </div>
 821 </div>
 822 <a class="anchor" id="a8669179fa3d068951014b3be07a7d673"></a>
 823 <div class="memitem">
 824 <div class="memproto">
 825 <div class="memtemplate">
 826 template&lt;typename T, T v&gt; </div>
 827 <div class="memtemplate">
 828 template&lt;int i&gt; </div>
 829 <table class="mlabels">
 830   <tr>
 831   <td class="mlabels-left">
 832       <table class="memname">
 833         <tr>
 834           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#ab4891bf3aec7c15fa2d91c8fbacf4563">int_</a>&lt;i&gt; int_c {}</td>
 835         </tr>
 836       </table>
 837   </td>
 838   <td class="mlabels-right">
 839 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 840   </tr>
 841 </table>
 842 </div><div class="memdoc">
 843
 844 </div>
 845 </div>
 846 <a class="anchor" id="a79f45e3c2411db1d36127c1341673ffb"></a>
 847 <div class="memitem">
 848 <div class="memproto">
 849 <div class="memtemplate">
 850 template&lt;typename T, T v&gt; </div>
 851 <div class="memtemplate">
 852 template&lt;unsigned int i&gt; </div>
 853 <table class="mlabels">
 854   <tr>
 855   <td class="mlabels-left">
 856       <table class="memname">
 857         <tr>
 858           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a5071dd223185718f85da1db48fb95d80">uint</a>&lt;i&gt; uint_c {}</td>
 859         </tr>
 860       </table>
 861   </td>
 862   <td class="mlabels-right">
 863 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 864   </tr>
 865 </table>
 866 </div><div class="memdoc">
 867
 868 </div>
 869 </div>
 870 <a class="anchor" id="ab7e3b17ac89121823916ebd7c6f96235"></a>
 871 <div class="memitem">
 872 <div class="memproto">
 873 <div class="memtemplate">
 874 template&lt;typename T, T v&gt; </div>
 875 <div class="memtemplate">
 876 template&lt;long i&gt; </div>
 877 <table class="mlabels">
 878   <tr>
 879   <td class="mlabels-left">
 880       <table class="memname">
 881         <tr>
 882           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a41f541c4b34b1972d0e84bf10f7908e1">long_</a>&lt;i&gt; long_c {}</td>
 883         </tr>
 884       </table>
 885   </td>
 886   <td class="mlabels-right">
 887 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 888   </tr>
 889 </table>
 890 </div><div class="memdoc">
 891
 892 </div>
 893 </div>
 894 <a class="anchor" id="a65df6bbd2d90432bdcdc709cdbca9921"></a>
 895 <div class="memitem">
 896 <div class="memproto">
 897 <div class="memtemplate">
 898 template&lt;typename T, T v&gt; </div>
 899 <div class="memtemplate">
 900 template&lt;unsigned long i&gt; </div>
 901 <table class="mlabels">
 902   <tr>
 903   <td class="mlabels-left">
 904       <table class="memname">
 905         <tr>
 906           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#aedb2b03831973b4b54c5d0abce1af63c">ulong</a>&lt;i&gt; ulong_c {}</td>
 907         </tr>
 908       </table>
 909   </td>
 910   <td class="mlabels-right">
 911 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 912   </tr>
 913 </table>
 914 </div><div class="memdoc">
 915
 916 </div>
 917 </div>
 918 <a class="anchor" id="a81c86537a0d36b8788cba2188314febc"></a>
 919 <div class="memitem">
 920 <div class="memproto">
 921 <div class="memtemplate">
 922 template&lt;typename T, T v&gt; </div>
 923 <div class="memtemplate">
 924 template&lt;long long i&gt; </div>
 925 <table class="mlabels">
 926   <tr>
 927   <td class="mlabels-left">
 928       <table class="memname">
 929         <tr>
 930           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#aa7bf152c582934a70baa1d6c2bc758ba">llong</a>&lt;i&gt; llong_c {}</td>
 931         </tr>
 932       </table>
 933   </td>
 934   <td class="mlabels-right">
 935 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 936   </tr>
 937 </table>
 938 </div><div class="memdoc">
 939
 940 </div>
 941 </div>
 942 <a class="anchor" id="a186b6fdf81c9be08f42576cafd63b38d"></a>
 943 <div class="memitem">
 944 <div class="memproto">
 945 <div class="memtemplate">
 946 template&lt;typename T, T v&gt; </div>
 947 <div class="memtemplate">
 948 template&lt;unsigned long long i&gt; </div>
 949 <table class="mlabels">
 950   <tr>
 951   <td class="mlabels-left">
 952       <table class="memname">
 953         <tr>
 954           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a112e62e2d698846ca9e3940eb15333d3">ullong</a>&lt;i&gt; ullong_c {}</td>
 955         </tr>
 956       </table>
 957   </td>
 958   <td class="mlabels-right">
 959 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 960   </tr>
 961 </table>
 962 </div><div class="memdoc">
 963
 964 </div>
 965 </div>
 966 <a class="anchor" id="ac49b8fd71a0ef9229511bd7d6cc0f150"></a>
 967 <div class="memitem">
 968 <div class="memproto">
 969 <div class="memtemplate">
 970 template&lt;typename T, T v&gt; </div>
 971 <div class="memtemplate">
 972 template&lt;std::size_t i&gt; </div>
 973 <table class="mlabels">
 974   <tr>
 975   <td class="mlabels-left">
 976       <table class="memname">
 977         <tr>
 978           <td class="memname">constexpr <a class="el" href="structboost_1_1hana_1_1integral__constant.html#a022e29dcd19f546f3ac35254f11e56de">size_t</a>&lt;i&gt; size_c {}</td>
 979         </tr>
 980       </table>
 981   </td>
 982   <td class="mlabels-right">
 983 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
 984   </tr>
 985 </table>
 986 </div><div class="memdoc">
 987
 988 </div>
 989 </div>
 990 <a class="anchor" id="a1c078fd00db48686ca9e0aa17f47344e"></a>
 991 <div class="memitem">
 992 <div class="memproto">
 993 <div class="memtemplate">
 994 template&lt;char... c&gt; </div>
 995 <table class="mlabels">
 996   <tr>
 997   <td class="mlabels-left">
 998       <table class="memname">
 999         <tr>
1000           <td class="memname">constexpr auto operator&quot;&quot;_c </td>
1001           <td>(</td>
1002           <td class="paramname"></td><td>)</td>
1003           <td></td>
1004         </tr>
1005       </table>
1006   </td>
1007   <td class="mlabels-right">
1008 <span class="mlabels"><span class="mlabel">related</span></span>  </td>
1009   </tr>
1010 </table>
1011 </div><div class="memdoc">
1012
1013 <p>Creates a <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">hana::integral_constant</a></code> from a literal. </p>
1014 <p>The literal is parsed at compile-time and the result is returned as a <code>llong&lt;...&gt;</code>.</p>
1015 <dl class="section note"><dt>Note</dt><dd>We use <code>llong&lt;...&gt;</code> instead of <code>ullong&lt;...&gt;</code> because using an unsigned type leads to unexpected behavior when doing stuff like <code>-1_c</code>. If we used an unsigned type, <code>-1_c</code> would be something like <code>ullong&lt;-1&gt;</code> which is actually <code>ullong&lt;something huge&gt;</code>.</dd></dl>
1016 <h2>Example </h2>
1017 <div class="fragment"><div class="line"><span class="keyword">using namespace </span>hana::literals; <span class="comment">// contains the _c suffix</span></div><div class="line"></div><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(1234_c == hana::llong_c&lt;1234&gt;);</div><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(-1234_c == hana::llong_c&lt;-1234&gt;);</div><div class="line"><a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(1_c + (3_c * 4_c) == hana::llong_c&lt;1 + (3 * 4)&gt;);</div></div><!-- fragment -->
1018 </div>
1019 </div>
1020 <h2 class="groupheader">Member Function Documentation</h2>
1021 <a class="anchor" id="a2d4bda4a9114a5e803a91def599fae76"></a>
1022 <div class="memitem">
1023 <div class="memproto">
1024 <div class="memtemplate">
1025 template&lt;typename T, T v&gt; </div>
1026 <div class="memtemplate">
1027 template&lt;typename F &gt; </div>
1028 <table class="mlabels">
1029   <tr>
1030   <td class="mlabels-left">
1031       <table class="memname">
1032         <tr>
1033           <td class="memname">static constexpr void <a class="el" href="structboost_1_1hana_1_1integral__constant.html">boost::hana::integral_constant</a>&lt; T, v &gt;::times </td>
1034           <td>(</td>
1035           <td class="paramtype">F &amp;&amp;&#160;</td>
1036           <td class="paramname"><em>f</em></td><td>)</td>
1037           <td></td>
1038         </tr>
1039       </table>
1040   </td>
1041   <td class="mlabels-right">
1042 <span class="mlabels"><span class="mlabel">static</span></span>  </td>
1043   </tr>
1044 </table>
1045 </div><div class="memdoc">
1046
1047 <p>Call a function n times. </p>
1048 <p><code>times</code> allows a nullary function to be invoked <code>n</code> times: </p><div class="fragment"><div class="line"><a class="code" href="structboost_1_1hana_1_1integral__constant.html#a2d4bda4a9114a5e803a91def599fae76">int_&lt;3&gt;::times</a>(f)</div></div><!-- fragment --><p> should be expanded by any decent compiler to </p><div class="fragment"><div class="line">f(); f(); f();</div></div><!-- fragment --><p>This can be useful in several contexts, e.g. for loop unrolling: </p><div class="fragment"><div class="line">std::string s;</div><div class="line"><span class="keywordflow">for</span> (<span class="keywordtype">char</span> c = <span class="charliteral">&#39;x&#39;</span>; c &lt;= <span class="charliteral">&#39;z&#39;</span>; ++c)</div><div class="line">    hana::int_&lt;5&gt;::times([&amp;] { s += c; });</div><div class="line"></div><div class="line"><a class="code" href="group__group-assertions.html#ga29b2b21ffa5513e5b706c50ffee980af">BOOST_HANA_RUNTIME_CHECK</a>(s == <span class="stringliteral">&quot;xxxxxyyyyyzzzzz&quot;</span>);</div></div><!-- fragment --><p> Note that <code>times</code> is really a static function object, not just a static function. This allows <code>int_&lt;n&gt;::times</code> to be passed to higher-order algorithms: </p><div class="fragment"><div class="line">std::string s;</div><div class="line">BOOST_HANA_CONSTEXPR_LAMBDA <span class="keyword">auto</span> functions = hana::make_tuple(</div><div class="line">    [&amp;] { s += <span class="stringliteral">&quot;x&quot;</span>; },</div><div class="line">    [&amp;] { s += <span class="stringliteral">&quot;y&quot;</span>; },</div><div class="line">    [&amp;] { s += <span class="stringliteral">&quot;z&quot;</span>; }</div><div class="line">);</div><div class="line"><a class="code" href="group__group-Foldable.html#ga2af382f7e644ce3707710bbad313e9c2">hana::for_each</a>(functions, hana::int_&lt;5&gt;::times);</div><div class="line"><a class="code" href="group__group-assertions.html#ga29b2b21ffa5513e5b706c50ffee980af">BOOST_HANA_RUNTIME_CHECK</a>(s == <span class="stringliteral">&quot;xxxxxyyyyyzzzzz&quot;</span>);</div></div><!-- fragment --><p> Also, since static members can be accessed using both the <code>.</code> and the <code>::</code> syntax, one can take advantage of this (loophole?) to call <code>times</code> on objects just as well as on types: </p><div class="fragment"><div class="line">std::string s;</div><div class="line"><span class="keywordflow">for</span> (<span class="keywordtype">char</span> c = <span class="charliteral">&#39;x&#39;</span>; c &lt;= <span class="charliteral">&#39;z&#39;</span>; ++c)</div><div class="line">    hana::int_c&lt;5&gt;.<a class="code" href="structboost_1_1hana_1_1integral__constant.html#a2d4bda4a9114a5e803a91def599fae76">times</a>([&amp;] { s += c; });</div><div class="line"></div><div class="line"><a class="code" href="group__group-assertions.html#ga29b2b21ffa5513e5b706c50ffee980af">BOOST_HANA_RUNTIME_CHECK</a>(s == <span class="stringliteral">&quot;xxxxxyyyyyzzzzz&quot;</span>);</div></div><!-- fragment --> <dl class="section note"><dt>Note</dt><dd><code>times</code> is equivalent to the <code><a class="el" href="namespaceboost_1_1hana.html#a405f3dd84fc6f5003e64f8da104a1b54" title="Invokes a nullary function n times.Given an IntegralConstant n and a nullary function f...">hana::repeat</a></code> function, which works on an arbitrary <code><a class="el" href="structboost_1_1hana_1_1IntegralConstant.html" title="The IntegralConstant concept represents compile-time integral values. ">IntegralConstant</a></code>.</dd></dl>
1049 <p>Sometimes, it is also useful to know the index we're at inside the function. This can be achieved by using <code>times.with_index</code>: </p><div class="fragment"><div class="line">std::vector&lt;int&gt; v;</div><div class="line">hana::int_&lt;5&gt;::times.with_index([&amp;](<span class="keyword">auto</span> index) { v.push_back(index); });</div><div class="line"></div><div class="line"><a class="code" href="group__group-assertions.html#ga29b2b21ffa5513e5b706c50ffee980af">BOOST_HANA_RUNTIME_CHECK</a>(v == std::vector&lt;int&gt;{0, 1, 2, 3, 4});</div></div><!-- fragment --><p> Remember that <code>times</code> is a <em>function object</em>, and hence it can have subobjects. <code>with_index</code> is just a function object nested inside <code>times</code>, which allows for this nice little interface. Also note that the indices passed to the function are <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code>s; they are known at compile-time. Hence, we can do compile-time stuff with them, like indexing inside a tuple: </p><div class="fragment"><div class="line">constexpr <span class="keyword">auto</span> xs = hana::tuple_c&lt;int, 0, 1, 2&gt;;</div><div class="line">hana::int_&lt;3&gt;::times.with_index([xs](<span class="keyword">auto</span> index) {</div><div class="line">    <a class="code" href="group__group-assertions.html#ga4bf9e0c46c44e21fbe5c5fbb3ace8356">BOOST_HANA_CONSTANT_CHECK</a>(xs[index] == index);</div><div class="line">});</div></div><!-- fragment --> <dl class="section note"><dt>Note</dt><dd><code>times.with_index(f)</code> guarantees that the calls to <code>f</code> will be done in order of ascending index. In other words, <code>f</code> will be called as <code>f(0)</code>, <code>f(1)</code>, <code>f(2)</code>, etc., but with <code><a class="el" href="structboost_1_1hana_1_1integral__constant.html" title="Compile-time value of an integral type. ">integral_constant</a></code>s instead of normal integers. Side effects can also be done in the function passed to <code>times</code> and <code>times.with_index</code>. </dd></dl>
1050
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