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<title>libstdc++: std::collate_byname< _CharT > Class Template Reference</title>
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<div class="title">std::collate_byname< _CharT > Class Template Reference</div> </div>
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Inheritance diagram for std::collate_byname< _CharT >:</div>
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Public Types</h2></td></tr>
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<tr class="memitem:aea2bc2caa0c7516b94a3a0a7513e9533"><td class="memItemLeft" align="right" valign="top">typedef _CharT </td><td class="memItemRight" valign="bottom"><a class="el" href="a05839.html#aea2bc2caa0c7516b94a3a0a7513e9533">char_type</a></td></tr>
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<tr class="memitem:aad3f32937222680b3f47919cdf752b6c"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="a04771.html">basic_string</a>< _CharT > </td><td class="memItemRight" valign="bottom"><a class="el" href="a05839.html#aad3f32937222680b3f47919cdf752b6c">string_type</a></td></tr>
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Public Member Functions</h2></td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>collate_byname</b> (const char *__s, size_t __refs=0)</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>collate_byname</b> (const <a class="el" href="a01509.html#ga32db3d9898c44d3b3a578b560f7758cc">string</a> &__s, size_t __refs=0)</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>_M_compare</b> (const _CharT *, const _CharT *) const throw ()</td></tr>
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<tr class="memitem:a44fe1cb22a25d298940f6e64446bdfca"><td class="memTemplParams" colspan="2"><a id="a44fe1cb22a25d298940f6e64446bdfca"></a>
template<> </td></tr>
<tr class="memitem:a44fe1cb22a25d298940f6e64446bdfca"><td class="memTemplItemLeft" align="right" valign="top">int </td><td class="memTemplItemRight" valign="bottom"><b>_M_compare</b> (const char *, const char *) const throw()</td></tr>
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template<> </td></tr>
<tr class="memitem:a7bed27c25e53774c24400d0d9912a00a"><td class="memTemplItemLeft" align="right" valign="top">int </td><td class="memTemplItemRight" valign="bottom"><b>_M_compare</b> (const wchar_t *, const wchar_t *) const throw()</td></tr>
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size_t </td><td class="memItemRight" valign="bottom"><b>_M_transform</b> (_CharT *, const _CharT *, size_t) const throw ()</td></tr>
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template<> </td></tr>
<tr class="memitem:a24a276130aa96e403ea613e603b4fd8a"><td class="memTemplItemLeft" align="right" valign="top">size_t </td><td class="memTemplItemRight" valign="bottom"><b>_M_transform</b> (char *, const char *, size_t) const throw()</td></tr>
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template<> </td></tr>
<tr class="memitem:ac2b8a1457283d2305a5bc7fd2b9bb108"><td class="memTemplItemLeft" align="right" valign="top">size_t </td><td class="memTemplItemRight" valign="bottom"><b>_M_transform</b> (wchar_t *, const wchar_t *, size_t) const throw()</td></tr>
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<tr class="memitem:ac7757ff95f04e364fc1230c2945f27fc"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#ac7757ff95f04e364fc1230c2945f27fc">compare</a> (const _CharT *__lo1, const _CharT *__hi1, const _CharT *__lo2, const _CharT *__hi2) const</td></tr>
<tr class="separator:ac7757ff95f04e364fc1230c2945f27fc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac70cace45e39beb108d6b6fbe6748ba3"><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#ac70cace45e39beb108d6b6fbe6748ba3">hash</a> (const _CharT *__lo, const _CharT *__hi) const</td></tr>
<tr class="separator:ac70cace45e39beb108d6b6fbe6748ba3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ada536ca81b2869cfe04ccb92bc42282e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a05835.html#af10a9e48b7d0c07aa42e5931d644703f">string_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#ada536ca81b2869cfe04ccb92bc42282e">transform</a> (const _CharT *__lo, const _CharT *__hi) const</td></tr>
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Static Public Attributes</h2></td></tr>
<tr class="memitem:ab4a21a6ecff234461ad994da29515d62"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="a05827.html">locale::id</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#ab4a21a6ecff234461ad994da29515d62">id</a></td></tr>
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Protected Member Functions</h2></td></tr>
<tr class="memitem:a7392c4a1fc4373a7298d26b3994458f0"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#a7392c4a1fc4373a7298d26b3994458f0">do_compare</a> (const _CharT *__lo1, const _CharT *__hi1, const _CharT *__lo2, const _CharT *__hi2) const</td></tr>
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<tr class="memitem:a0c49714f9b5bec2d7bc33a9a9b93919b"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#a0c49714f9b5bec2d7bc33a9a9b93919b">do_hash</a> (const _CharT *__lo, const _CharT *__hi) const</td></tr>
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<tr class="memitem:a17895df009fcf8d929823aea3f1adbba"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="a05835.html#af10a9e48b7d0c07aa42e5931d644703f">string_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#a17895df009fcf8d929823aea3f1adbba">do_transform</a> (const _CharT *__lo, const _CharT *__hi) const</td></tr>
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Static Protected Member Functions</h2></td></tr>
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static __c_locale </td><td class="memItemRight" valign="bottom"><b>_S_clone_c_locale</b> (__c_locale &__cloc) throw ()</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>_S_create_c_locale</b> (__c_locale &__cloc, const char *__s, __c_locale __old=0)</td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>_S_destroy_c_locale</b> (__c_locale &__cloc)</td></tr>
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static __c_locale </td><td class="memItemRight" valign="bottom"><b>_S_get_c_locale</b> ()</td></tr>
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static const char * </td><td class="memItemRight" valign="bottom"><b>_S_get_c_name</b> () throw ()</td></tr>
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static __c_locale </td><td class="memItemRight" valign="bottom"><b>_S_lc_ctype_c_locale</b> (__c_locale __cloc, const char *__s)</td></tr>
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Protected Attributes</h2></td></tr>
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__c_locale </td><td class="memItemRight" valign="bottom"><b>_M_c_locale_collate</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename _CharT><br />
class std::collate_byname< _CharT ></h3>
<p>class collate_byname [22.2.4.2]. </p>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00816">816</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="aea2bc2caa0c7516b94a3a0a7513e9533"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aea2bc2caa0c7516b94a3a0a7513e9533">◆ </a></span>char_type</h2>
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<div class="memproto">
<div class="memtemplate">
template<typename _CharT > </div>
<table class="memname">
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<td class="memname">typedef _CharT <a class="el" href="a05839.html">std::collate_byname</a>< _CharT >::<a class="el" href="a05835.html#a8ad2844c921007521e36300507bcf8a2">char_type</a></td>
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<p>Public typedefs. </p>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00821">821</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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<a id="aad3f32937222680b3f47919cdf752b6c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aad3f32937222680b3f47919cdf752b6c">◆ </a></span>string_type</h2>
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<div class="memproto">
<div class="memtemplate">
template<typename _CharT > </div>
<table class="memname">
<tr>
<td class="memname">typedef <a class="el" href="a04771.html">basic_string</a><_CharT> <a class="el" href="a05839.html">std::collate_byname</a>< _CharT >::<a class="el" href="a05835.html#af10a9e48b7d0c07aa42e5931d644703f">string_type</a></td>
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<p>Public typedefs. </p>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00822">822</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="ac7757ff95f04e364fc1230c2945f27fc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac7757ff95f04e364fc1230c2945f27fc">◆ </a></span>compare()</h2>
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<div class="memproto">
<div class="memtemplate">
template<typename _CharT> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">int <a class="el" href="a05835.html">std::collate</a>< _CharT >::compare </td>
<td>(</td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi1</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo2</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi2</em> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td>
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<p>Compare two strings. </p>
<p>This function compares two strings and returns the result by calling collate::do_compare().</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__lo1</td><td>Start of string 1. </td></tr>
<tr><td class="paramname">__hi1</td><td>End of string 1. </td></tr>
<tr><td class="paramname">__lo2</td><td>Start of string 2. </td></tr>
<tr><td class="paramname">__hi2</td><td>End of string 2. </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>1 if string1 > string2, -1 if string1 < string2, else 0. </dd></dl>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00700">700</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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<a id="a7392c4a1fc4373a7298d26b3994458f0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7392c4a1fc4373a7298d26b3994458f0">◆ </a></span>do_compare()</h2>
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template<typename _CharT> </div>
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<td class="memname">int <a class="el" href="a05835.html">std::collate</a>< _CharT >::do_compare </td>
<td>(</td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo1</em>, </td>
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<tr>
<td class="paramkey"></td>
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<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo2</em>, </td>
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<tr>
<td class="paramkey"></td>
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<td class="paramtype">const _CharT * </td>
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<td>)</td>
<td></td><td> const</td>
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<span class="mlabels"><span class="mlabel">protected</span><span class="mlabel">virtual</span><span class="mlabel">inherited</span></span> </td>
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<p>Compare two strings. </p>
<p>This function is a hook for derived classes to change the value returned. </p><dl class="section see"><dt>See also</dt><dd>compare().</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__lo1</td><td>Start of string 1. </td></tr>
<tr><td class="paramname">__hi1</td><td>End of string 1. </td></tr>
<tr><td class="paramname">__lo2</td><td>Start of string 2. </td></tr>
<tr><td class="paramname">__hi2</td><td>End of string 2. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if string1 > string2, -1 if string1 < string2, else 0. </dd></dl>
<p class="definition">Definition at line <a class="el" href="a00395_source.html#l00161">161</a> of file <a class="el" href="a00395_source.html">locale_classes.tcc</a>.</p>
<p class="reference">References <a class="el" href="a00290_source.html#l05128">std::basic_string< _CharT, _Traits, _Alloc >::c_str()</a>, <a class="el" href="a00290_source.html#l05140">std::basic_string< _CharT, _Traits, _Alloc >::data()</a>, and <a class="el" href="a00290_source.html#l03841">std::basic_string< _CharT, _Traits, _Alloc >::length()</a>.</p>
</div>
</div>
<a id="a0c49714f9b5bec2d7bc33a9a9b93919b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0c49714f9b5bec2d7bc33a9a9b93919b">◆ </a></span>do_hash()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _CharT> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">long <a class="el" href="a05835.html">std::collate</a>< _CharT >::do_hash </td>
<td>(</td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span><span class="mlabel">virtual</span><span class="mlabel">inherited</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Return hash of a string. </p>
<p>This function computes and returns a hash on the input string. This function is a hook for derived classes to change the value returned.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__lo</td><td>Start of string. </td></tr>
<tr><td class="paramname">__hi</td><td>End of string. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Hash value. </dd></dl>
<p class="definition">Definition at line <a class="el" href="a00395_source.html#l00256">256</a> of file <a class="el" href="a00395_source.html">locale_classes.tcc</a>.</p>
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<a id="a17895df009fcf8d929823aea3f1adbba"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a17895df009fcf8d929823aea3f1adbba">◆ </a></span>do_transform()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _CharT> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a05835.html">collate</a>< _CharT >::<a class="el" href="a05835.html#af10a9e48b7d0c07aa42e5931d644703f">string_type</a> <a class="el" href="a05835.html">std::collate</a>< _CharT >::do_transform </td>
<td>(</td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">protected</span><span class="mlabel">virtual</span><span class="mlabel">inherited</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Transform string to comparable form. </p>
<p>This function is a hook for derived classes to change the value returned.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__lo</td><td>Start. </td></tr>
<tr><td class="paramname">__hi</td><td>End. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>transformed string. </dd></dl>
<p class="definition">Definition at line <a class="el" href="a00395_source.html#l00200">200</a> of file <a class="el" href="a00395_source.html">locale_classes.tcc</a>.</p>
<p class="reference">References <a class="el" href="a00290_source.html#l05128">std::basic_string< _CharT, _Traits, _Alloc >::c_str()</a>, <a class="el" href="a00290_source.html#l05140">std::basic_string< _CharT, _Traits, _Alloc >::data()</a>, and <a class="el" href="a00290_source.html#l03841">std::basic_string< _CharT, _Traits, _Alloc >::length()</a>.</p>
</div>
</div>
<a id="ac70cace45e39beb108d6b6fbe6748ba3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac70cace45e39beb108d6b6fbe6748ba3">◆ </a></span>hash()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _CharT> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">long <a class="el" href="a05835.html">std::collate</a>< _CharT >::<a class="el" href="a02839.html">hash</a> </td>
<td>(</td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Return hash of a string. </p>
<p>This function computes and returns a hash on the input string. It does so by returning collate::do_hash().</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__lo</td><td>Start of string. </td></tr>
<tr><td class="paramname">__hi</td><td>End of string. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Hash value. </dd></dl>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00733">733</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
</div>
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<a id="ada536ca81b2869cfe04ccb92bc42282e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ada536ca81b2869cfe04ccb92bc42282e">◆ </a></span>transform()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename _CharT> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="a05835.html#af10a9e48b7d0c07aa42e5931d644703f">string_type</a> <a class="el" href="a05835.html">std::collate</a>< _CharT >::transform </td>
<td>(</td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Transform string to comparable form. </p>
<p>This function is a wrapper for strxfrm functionality. It takes the input string and returns a modified string that can be directly compared to other transformed strings. In the C locale, this function just returns a copy of the input string. In some other locales, it may replace two chars with one, change a char for another, etc. It does so by returning collate::do_transform().</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__lo</td><td>Start of string. </td></tr>
<tr><td class="paramname">__hi</td><td>End of string. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Transformed string_type. </dd></dl>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00719">719</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
</div>
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<h2 class="groupheader">Member Data Documentation</h2>
<a id="ab4a21a6ecff234461ad994da29515d62"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab4a21a6ecff234461ad994da29515d62">◆ </a></span>id</h2>
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<div class="memtemplate">
template<typename _CharT> </div>
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<table class="memname">
<tr>
<td class="memname"><a class="el" href="a05827.html">locale::id</a> <a class="el" href="a05835.html">std::collate</a>< _CharT >::id</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">inherited</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Numpunct facet id. </p>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00659">659</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a00392_source.html">locale_classes.h</a></li>
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