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<title>libstdc++: std::istreambuf_iterator< _CharT, _Traits > Class Template Reference</title>
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<div class="title">std::istreambuf_iterator< _CharT, _Traits > Class Template Reference<div class="ingroups"><a class="el" href="a01473.html">I/O</a> | <a class="el" href="a01507.html">Iterators</a></div></div> </div>
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Inheritance diagram for std::istreambuf_iterator< _CharT, _Traits >:</div>
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Public Types</h2></td></tr>
<tr class="memitem:a7fc5091a6bee76d7bfc6ece04e4050f9"><td class="memItemLeft" align="right" valign="top">typedef _Traits::off_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a07675.html#a7fc5091a6bee76d7bfc6ece04e4050f9">difference_type</a></td></tr>
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<tr class="memitem:a3d32527bfebba5c0459df1390cef50a9"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="a07655.html">input_iterator_tag</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a07675.html#a3d32527bfebba5c0459df1390cef50a9">iterator_category</a></td></tr>
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<tr class="memitem:a69bffe0bd881194df5ff48fec79066de"><td class="memItemLeft" align="right" valign="top">typedef _CharT * </td><td class="memItemRight" valign="bottom"><a class="el" href="a07675.html#a69bffe0bd881194df5ff48fec79066de">pointer</a></td></tr>
<tr class="separator:a69bffe0bd881194df5ff48fec79066de"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abb17838f15d32971ad823036c6593aef"><td class="memItemLeft" align="right" valign="top">typedef _CharT </td><td class="memItemRight" valign="bottom"><a class="el" href="a07675.html#abb17838f15d32971ad823036c6593aef">reference</a></td></tr>
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<tr class="memitem:af9f36b7adb257959eef192b9282f1284"><td class="memItemLeft" align="right" valign="top">typedef _CharT </td><td class="memItemRight" valign="bottom"><a class="el" href="a07675.html#af9f36b7adb257959eef192b9282f1284">value_type</a></td></tr>
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<tr><td colspan="2"><div class="groupHeader"></div></td></tr>
<tr class="memitem:af460c7ea636315f32d360100cc25d939"><td class="memItemLeft" align="right" valign="top">typedef _CharT </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#af460c7ea636315f32d360100cc25d939">char_type</a></td></tr>
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<tr class="memitem:aba59a766c14f4ae3a89119edd0c82baa"><td class="memItemLeft" align="right" valign="top">typedef _Traits </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#aba59a766c14f4ae3a89119edd0c82baa">traits_type</a></td></tr>
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<tr class="memitem:afb6691f43e173e47ffe52e245a360da1"><td class="memItemLeft" align="right" valign="top">typedef _Traits::int_type </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#afb6691f43e173e47ffe52e245a360da1">int_type</a></td></tr>
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<tr class="memitem:a1db6612d72b7c65ea1f15b51109a4101"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="a02455.html">basic_streambuf</a>< _CharT, _Traits > </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#a1db6612d72b7c65ea1f15b51109a4101">streambuf_type</a></td></tr>
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<tr class="memitem:a88fc8fbe18f938ebfad7c496ccafcd76"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="a02459.html">basic_istream</a>< _CharT, _Traits > </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#a88fc8fbe18f938ebfad7c496ccafcd76">istream_type</a></td></tr>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a75654a594dd9fd94bcf6712f9c3b8d2c"><td class="memItemLeft" align="right" valign="top">constexpr </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#a75654a594dd9fd94bcf6712f9c3b8d2c">istreambuf_iterator</a> () noexcept</td></tr>
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 </td><td class="memItemRight" valign="bottom"><b>istreambuf_iterator</b> (const <a class="el" href="a02487.html">istreambuf_iterator</a> &) noexcept=default</td></tr>
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<tr class="memitem:ac5abfcd042a670b72bdbb2fa3ee0d6f5"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#ac5abfcd042a670b72bdbb2fa3ee0d6f5">istreambuf_iterator</a> (<a class="el" href="a02487.html#a88fc8fbe18f938ebfad7c496ccafcd76">istream_type</a> &__s) noexcept</td></tr>
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<tr class="memitem:af53baf53c052a0086f61f54cb4dfa337"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#af53baf53c052a0086f61f54cb4dfa337">istreambuf_iterator</a> (<a class="el" href="a02487.html#a1db6612d72b7c65ea1f15b51109a4101">streambuf_type</a> *__s) noexcept</td></tr>
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<tr class="memitem:aaf5799b2a894bef2fa6763f7017b88b2"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#aaf5799b2a894bef2fa6763f7017b88b2">equal</a> (const <a class="el" href="a02487.html">istreambuf_iterator</a> &__b) const</td></tr>
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<tr class="memitem:aa68118742e48a3296a39611184764153"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a02487.html#af460c7ea636315f32d360100cc25d939">char_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#aa68118742e48a3296a39611184764153">operator*</a> () const</td></tr>
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<tr class="memitem:a4c45d7bfc4e2a3594fb8918017b4ac3a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a02487.html">istreambuf_iterator</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#a4c45d7bfc4e2a3594fb8918017b4ac3a">operator++</a> ()</td></tr>
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<tr class="memitem:adb987d5d42a928df600f5068d8a9e1dc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a02487.html">istreambuf_iterator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a02487.html#adb987d5d42a928df600f5068d8a9e1dc">operator++</a> (int)</td></tr>
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Friends</h2></td></tr>
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template<bool _IsMove, typename _CharT2 > </td></tr>
<tr class="memitem:ab633dd1f6a49a9f564dde31a67e8b1ee"><td class="memTemplItemLeft" align="right" valign="top">__gnu_cxx::__enable_if< __is_char< _CharT2 >::__value, _CharT2 * >::__type </td><td class="memTemplItemRight" valign="bottom"><b>__copy_move_a2</b> (<a class="el" href="a02487.html">istreambuf_iterator</a>< _CharT2 >, <a class="el" href="a02487.html">istreambuf_iterator</a>< _CharT2 >, _CharT2 *)</td></tr>
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template<typename _CharT2 , typename _Distance > </td></tr>
<tr class="memitem:a00f94c8b6acae5bbc1e0f29545cf6591"><td class="memTemplItemLeft" align="right" valign="top">__gnu_cxx::__enable_if< __is_char< _CharT2 >::__value, void >::__type </td><td class="memTemplItemRight" valign="bottom"><b>advance</b> (<a class="el" href="a02487.html">istreambuf_iterator</a>< _CharT2 > &, _Distance)</td></tr>
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<tr class="memitem:a2d1e3caf058dcfce0bf02be5cf6ca3d3"><td class="memTemplParams" colspan="2"><a id="a2d1e3caf058dcfce0bf02be5cf6ca3d3"></a>
template<typename _CharT2 > </td></tr>
<tr class="memitem:a2d1e3caf058dcfce0bf02be5cf6ca3d3"><td class="memTemplItemLeft" align="right" valign="top">__gnu_cxx::__enable_if< __is_char< _CharT2 >::__value, <a class="el" href="a02491.html">ostreambuf_iterator</a>< _CharT2 > >::__type </td><td class="memTemplItemRight" valign="bottom"><b>copy</b> (<a class="el" href="a02487.html">istreambuf_iterator</a>< _CharT2 >, <a class="el" href="a02487.html">istreambuf_iterator</a>< _CharT2 >, <a class="el" href="a02491.html">ostreambuf_iterator</a>< _CharT2 >)</td></tr>
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template<typename _CharT2 > </td></tr>
<tr class="memitem:aa7948a3a0acd26fb8139dfe763017b45"><td class="memTemplItemLeft" align="right" valign="top">__gnu_cxx::__enable_if< __is_char< _CharT2 >::__value, <a class="el" href="a02487.html">istreambuf_iterator</a>< _CharT2 > >::__type </td><td class="memTemplItemRight" valign="bottom"><b>find</b> (<a class="el" href="a02487.html">istreambuf_iterator</a>< _CharT2 >, <a class="el" href="a02487.html">istreambuf_iterator</a>< _CharT2 >, const _CharT2 &)</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, typename _Traits><br />
class std::istreambuf_iterator< _CharT, _Traits ></h3>
<p>Provides input iterator semantics for streambufs. </p>
<p class="definition">Definition at line <a class="el" href="a00083_source.html#l00125">125</a> of file <a class="el" href="a00083_source.html">iosfwd</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="af460c7ea636315f32d360100cc25d939"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af460c7ea636315f32d360100cc25d939">◆ </a></span>char_type</h2>
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template<typename _CharT , typename _Traits > </div>
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<td class="memname">typedef _CharT <a class="el" href="a02487.html">std::istreambuf_iterator</a>< _CharT, _Traits >::<a class="el" href="a02487.html#af460c7ea636315f32d360100cc25d939">char_type</a></td>
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<p>Public typedefs. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00064">64</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7fc5091a6bee76d7bfc6ece04e4050f9">◆ </a></span>difference_type</h2>
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<td class="memname">typedef _Traits::off_type <a class="el" href="a07675.html">std::iterator</a>< <a class="el" href="a07655.html">input_iterator_tag</a> , _CharT , _Traits::off_type , _CharT * , _CharT >::<a class="el" href="a07675.html#a7fc5091a6bee76d7bfc6ece04e4050f9">difference_type</a></td>
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<p>Distance between iterators is represented as this type. </p>
<p class="definition">Definition at line <a class="el" href="a00554_source.html#l00125">125</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afb6691f43e173e47ffe52e245a360da1">◆ </a></span>int_type</h2>
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template<typename _CharT , typename _Traits > </div>
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<td class="memname">typedef _Traits::int_type <a class="el" href="a02487.html">std::istreambuf_iterator</a>< _CharT, _Traits >::<a class="el" href="a02487.html#afb6691f43e173e47ffe52e245a360da1">int_type</a></td>
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<p>Public typedefs. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00066">66</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a88fc8fbe18f938ebfad7c496ccafcd76">◆ </a></span>istream_type</h2>
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template<typename _CharT , typename _Traits > </div>
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<td class="memname">typedef <a class="el" href="a02459.html">basic_istream</a><_CharT, _Traits> <a class="el" href="a02487.html">std::istreambuf_iterator</a>< _CharT, _Traits >::<a class="el" href="a02487.html#a88fc8fbe18f938ebfad7c496ccafcd76">istream_type</a></td>
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<p>Public typedefs. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00068">68</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<td class="memname">typedef <a class="el" href="a07655.html">input_iterator_tag</a> <a class="el" href="a07675.html">std::iterator</a>< <a class="el" href="a07655.html">input_iterator_tag</a> , _CharT , _Traits::off_type , _CharT * , _CharT >::<a class="el" href="a07675.html#a3d32527bfebba5c0459df1390cef50a9">iterator_category</a></td>
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<p>One of the <a class="el" href="a01508.html">tag types</a>. </p>
<p class="definition">Definition at line <a class="el" href="a00554_source.html#l00121">121</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a69bffe0bd881194df5ff48fec79066de">◆ </a></span>pointer</h2>
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<td class="memname">typedef _CharT * <a class="el" href="a07675.html">std::iterator</a>< <a class="el" href="a07655.html">input_iterator_tag</a> , _CharT , _Traits::off_type , _CharT * , _CharT >::<a class="el" href="a07675.html#a69bffe0bd881194df5ff48fec79066de">pointer</a></td>
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<p>This type represents a pointer-to-value_type. </p>
<p class="definition">Definition at line <a class="el" href="a00554_source.html#l00127">127</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p>
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<td class="memname">typedef _CharT <a class="el" href="a07675.html">std::iterator</a>< <a class="el" href="a07655.html">input_iterator_tag</a> , _CharT , _Traits::off_type , _CharT * , _CharT >::<a class="el" href="a07675.html#abb17838f15d32971ad823036c6593aef">reference</a></td>
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<p>This type represents a reference-to-value_type. </p>
<p class="definition">Definition at line <a class="el" href="a00554_source.html#l00129">129</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1db6612d72b7c65ea1f15b51109a4101">◆ </a></span>streambuf_type</h2>
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<td class="memname">typedef <a class="el" href="a02455.html">basic_streambuf</a><_CharT, _Traits> <a class="el" href="a02487.html">std::istreambuf_iterator</a>< _CharT, _Traits >::<a class="el" href="a02487.html#a1db6612d72b7c65ea1f15b51109a4101">streambuf_type</a></td>
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<p>Public typedefs. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00067">67</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<td class="memname">typedef _Traits <a class="el" href="a02487.html">std::istreambuf_iterator</a>< _CharT, _Traits >::<a class="el" href="a02487.html#aba59a766c14f4ae3a89119edd0c82baa">traits_type</a></td>
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<p>Public typedefs. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00065">65</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#af9f36b7adb257959eef192b9282f1284">◆ </a></span>value_type</h2>
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<td class="memname">typedef _CharT <a class="el" href="a07675.html">std::iterator</a>< <a class="el" href="a07655.html">input_iterator_tag</a> , _CharT , _Traits::off_type , _CharT * , _CharT >::<a class="el" href="a07675.html#af9f36b7adb257959eef192b9282f1284">value_type</a></td>
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<p>The type "pointed to" by the iterator. </p>
<p class="definition">Definition at line <a class="el" href="a00554_source.html#l00123">123</a> of file <a class="el" href="a00554_source.html">stl_iterator_base_types.h</a>.</p>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a75654a594dd9fd94bcf6712f9c3b8d2c">◆ </a></span>istreambuf_iterator() <span class="overload">[1/3]</span></h2>
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<p>Construct end of input stream iterator. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00107">107</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<td class="memname"><a class="el" href="a02487.html">std::istreambuf_iterator</a>< _CharT, _Traits >::<a class="el" href="a02487.html">istreambuf_iterator</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a02487.html#a88fc8fbe18f938ebfad7c496ccafcd76">istream_type</a> & </td>
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<p>Construct start of input stream iterator. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00117">117</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<td class="paramtype"><a class="el" href="a02487.html#a1db6612d72b7c65ea1f15b51109a4101">streambuf_type</a> * </td>
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<p>Construct start of streambuf iterator. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00121">121</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#aaf5799b2a894bef2fa6763f7017b88b2">◆ </a></span>equal()</h2>
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<p>Return true both iterators are end or both are not end. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00176">176</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa68118742e48a3296a39611184764153">◆ </a></span>operator*()</h2>
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<td class="memname"><a class="el" href="a02487.html#af460c7ea636315f32d360100cc25d939">char_type</a> <a class="el" href="a02487.html">std::istreambuf_iterator</a>< _CharT, _Traits >::operator* </td>
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<p>Return the current character pointed to by iterator. This returns streambuf.sgetc(). It cannot be assigned. NB: The result of operator*() on an end of stream is undefined. </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00128">128</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<td class="memname"><a class="el" href="a02487.html">istreambuf_iterator</a>& <a class="el" href="a02487.html">std::istreambuf_iterator</a>< _CharT, _Traits >::operator++ </td>
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<p>Advance the iterator. Calls streambuf.sbumpc(). </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00144">144</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.h</a>.</p>
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<p>Advance the iterator. Calls streambuf.sbumpc(). </p>
<p class="definition">Definition at line <a class="el" href="a00608_source.html#l00158">158</a> of file <a class="el" href="a00608_source.html">streambuf_iterator.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="a00083_source.html">iosfwd</a></li>
<li><a class="el" href="a00608_source.html">streambuf_iterator.h</a></li>
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