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<div class="title">std::collate< _CharT > Class Template Reference</div> </div>
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Inheritance diagram for std::collate< _CharT >:</div>
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Public Types</h2></td></tr>
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<tr class="memitem:a8ad2844c921007521e36300507bcf8a2"><td class="memItemLeft" align="right" valign="top">typedef _CharT </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#a8ad2844c921007521e36300507bcf8a2">char_type</a></td></tr>
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<tr class="memitem:af10a9e48b7d0c07aa42e5931d644703f"><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="a05835.html#af10a9e48b7d0c07aa42e5931d644703f">string_type</a></td></tr>
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Public Member Functions</h2></td></tr>
<tr class="memitem:af79f640413431b317d0eef470792ebb3"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#af79f640413431b317d0eef470792ebb3">collate</a> (size_t __refs=0)</td></tr>
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<tr class="memitem:a4c34c192809a224b1dfc6f3d6160e564"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#a4c34c192809a224b1dfc6f3d6160e564">collate</a> (__c_locale __cloc, 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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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>
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<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>
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<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:a4a168df3331d1b84ff5b547efe526bca"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="a05835.html#a4a168df3331d1b84ff5b547efe526bca">~collate</a> ()</td></tr>
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<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>
<tr class="memitem:aaaa39cc3ae39c5283101ce8c9c630902"><td class="memItemLeft" align="right" valign="top"><a id="aaaa39cc3ae39c5283101ce8c9c630902"></a>
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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<tr class="memitem:a426725452f3ac010eb3c090e83a6e574"><td class="memItemLeft" align="right" valign="top"><a id="a426725452f3ac010eb3c090e83a6e574"></a>
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>
<tr class="memitem:ae92cb4017b90c7ed27ecde018ec3715d"><td class="memItemLeft" align="right" valign="top"><a id="ae92cb4017b90c7ed27ecde018ec3715d"></a>
__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< _CharT ></h3>
<p>Facet for localized string comparison. </p>
<p>This facet encapsulates the code to compare strings in a localized manner.</p>
<p>The collate template uses protected virtual functions to provide the actual results. The public accessors forward the call to the virtual functions. These virtual functions are hooks for developers to implement the behavior they require from the collate facet. </p>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00642">642</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="a8ad2844c921007521e36300507bcf8a2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8ad2844c921007521e36300507bcf8a2">◆ </a></span>char_type</h2>
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template<typename _CharT> </div>
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<td class="memname">typedef _CharT <a class="el" href="a05835.html">std::collate</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#l00648">648</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af10a9e48b7d0c07aa42e5931d644703f">◆ </a></span>string_type</h2>
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template<typename _CharT> </div>
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<td class="memname">typedef <a class="el" href="a04771.html">basic_string</a><_CharT> <a class="el" href="a05835.html">std::collate</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#l00649">649</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="af79f640413431b317d0eef470792ebb3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af79f640413431b317d0eef470792ebb3">◆ </a></span>collate() <span class="overload">[1/2]</span></h2>
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template<typename _CharT> </div>
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<td class="memname"><a class="el" href="a05835.html">std::collate</a>< _CharT >::<a class="el" href="a05835.html">collate</a> </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>__refs</em> = <code>0</code></td><td>)</td>
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<p>Constructor performs initialization. </p>
<p>This is the constructor provided by the standard.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__refs</td><td>Passed to the base facet class. </td></tr>
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</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00669">669</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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template<typename _CharT> </div>
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<td>(</td>
<td class="paramtype">__c_locale </td>
<td class="paramname"><em>__cloc</em>, </td>
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<p>Internal constructor. Not for general use. </p>
<p>This is a constructor for use by the library itself to set up new locales.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__cloc</td><td>The C locale. </td></tr>
<tr><td class="paramname">__refs</td><td>Passed to the base facet class. </td></tr>
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<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00683">683</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4a168df3331d1b84ff5b547efe526bca">◆ </a></span>~collate()</h2>
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template<typename _CharT> </div>
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<td class="memname">virtual <a class="el" href="a05835.html">std::collate</a>< _CharT >::~<a class="el" href="a05835.html">collate</a> </td>
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<td class="paramname"></td><td>)</td>
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<p>Destructor. </p>
<p class="definition">Definition at line <a class="el" href="a00392_source.html#l00746">746</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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<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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template<typename _CharT> </div>
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<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>
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<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>
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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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<td></td>
<td>)</td>
<td></td><td> const</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>
</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="a00392_source.html#l00700">700</a> of file <a class="el" href="a00392_source.html">locale_classes.h</a>.</p>
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<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>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__lo2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi2</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
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</table>
</td>
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<span class="mlabels"><span class="mlabel">protected</span><span class="mlabel">virtual</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>
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<h2 class="memtitle"><span class="permalink"><a href="#a0c49714f9b5bec2d7bc33a9a9b93919b">◆ </a></span>do_hash()</h2>
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template<typename _CharT> </div>
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<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>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
<td class="paramname"><em>__hi</em> </td>
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<td></td>
<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> </td>
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<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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<h2 class="memtitle"><span class="permalink"><a href="#a17895df009fcf8d929823aea3f1adbba">◆ </a></span>do_transform()</h2>
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template<typename _CharT> </div>
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<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>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const _CharT * </td>
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</tr>
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<td></td>
<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> </td>
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<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>
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</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>
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<h2 class="memtitle"><span class="permalink"><a href="#ac70cace45e39beb108d6b6fbe6748ba3">◆ </a></span>hash()</h2>
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template<typename _CharT> </div>
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<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>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<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>
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<h2 class="memtitle"><span class="permalink"><a href="#ada536ca81b2869cfe04ccb92bc42282e">◆ </a></span>transform()</h2>
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template<typename _CharT> </div>
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<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>
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<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>
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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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template<typename _CharT> </div>
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<td class="memname"><a class="el" href="a05827.html">locale::id</a> <a class="el" href="a05835.html">std::collate</a>< _CharT >::id</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<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 files:<ul>
<li><a class="el" href="a00392_source.html">locale_classes.h</a></li>
<li><a class="el" href="a00395_source.html">locale_classes.tcc</a></li>
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