forked from boostorg/range
major update wrt. new range concepts
[SVN r40962]
This commit is contained in:
Thorsten Jørgen Ottosen
@ -94,14 +94,6 @@ class=identifier>range_difference</span></a><span class=special>;
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</span><span class=keyword>struct </span><a
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href="#range_reverse_iterator"><span
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class=identifier>range_reverse_iterator</span></a><span class=special>;
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</span><span class=comment>//
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// Random Access Range metafunctions
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//
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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</span><span class=keyword>struct </span><a href="#range_size"><span
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class=identifier>range_size</span></a><span class=special>;
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</span><span class=comment>//
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// Single Pass Range functions
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@ -112,7 +104,7 @@ class=identifier>range_size</span></a><span class=special>;
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</span><a href="#begin"><span class=identifier>begin</span></a><span class=special>( </span><span class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_iterator</span><span class=special><</span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_iterator</span><span class=special><</span><span class=keyword>const </span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><a href="#begin"><span class=identifier>begin</span></a><span class=special>( </span><span class=keyword>const </span><span class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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@ -120,7 +112,7 @@ class=identifier>range_size</span></a><span class=special>;
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</span><a href="#end"><span class=identifier>end</span></a><span class=special>( </span><span class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_iterator</span><span class=special><</span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_iterator</span><span class=special><</span><span class=keyword>const </span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><a href="#end"><span class=identifier>end</span></a><span class=special>( </span><span class=keyword>const </span><span class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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@ -144,7 +136,7 @@ class=identifier>range_size</span></a><span class=special>;
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</span><a href="#rbegin"><span class=identifier>rbegin</span></a><span class=special>( </span><span class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_reverse_iterator</span><span class=special><</span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_reverse_iterator</span><span class=special><</span><span class=keyword>const </span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><a href="#rbegin"><span class=identifier>rbegin</span></a><span class=special>( </span><span class=keyword>const </span><span class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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@ -152,11 +144,10 @@ class=identifier>range_size</span></a><span class=special>;
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</span><a href="#rend"><span class=identifier>rend</span></a><span class=special>( </span><span class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_reverse_iterator</span><span class=special><</span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_reverse_iterator</span><span class=special><</span><span class=keyword>const </span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><a href="#rend"><span class=identifier>rend</span></a><span class=special>( </span><span class=keyword>const </span><span
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class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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</span>
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</span><span class=comment>//
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// Random Access Range functions
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//
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@ -164,7 +155,7 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>>
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</span><span class=keyword></span><span class=keyword>typename </span><span class=identifier>range_size</span><span class=special><</span><span class=identifier>T</span><span class=special>>::</span><span class=identifier>type
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</span><a href="#size"><span class=identifier>size</span></a><span class=special>( </span><span class=keyword>const </span><span class=identifier>T</span><span class=special>& </span><span class=identifier>c </span><span class=special>);
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<span class=comment>//
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// Special const Range functions
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//
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@ -247,10 +238,8 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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<tr>
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<a name="range_value"></a>
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<td><code>range_value<X>::type</code></td>
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<td><code>T::value_type</code><br>
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<code>boost::iterator_value<P::first_type>::type</code> <!--if <code>P</code> is an instantiation of <code>std::pair</code>--><br>
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<code>A</code><br>
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<code>Char</code>
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<td><code>boost::iterator_value<range_iterator<X>::type>::type</code>
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</td>
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<td>compile time</td>
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</tr>
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<tr>
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@ -264,7 +253,7 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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</tr>
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<tr>
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<a name="range_const_iterator"></a>
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<td><code>range_const_iterator<X>::type</code></td>
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<td><code>range_iterator<const X>::type</code></td>
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<td><code>T::const_iterator</code><br>
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<code>P::first_type</code><br>
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<code>const A*</code><br>
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@ -274,20 +263,11 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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<tr>
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<a name="range_difference"></a>
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<td><code>range_difference<X>::type</code></td>
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<td><code>T::difference_type</code><br>
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<code>boost::iterator_difference<P::first_type>::type</code><br>
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<code>std::ptrdiff_t</code><br>
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<code>std::ptrdiff_t</code><br>
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<td>
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<code>boost::iterator_difference<range_iterator<X>::type>::type</code></td>
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<td>compile time</td>
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</tr>
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<tr>
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<a name="range_size"></a>
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<td><code>range_size<X>::type</code></td>
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<td><code>T::size_type</code><br>
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<code>std::size_t</code><br>
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<code>std::size_t</code><br>
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<code>std::size_t</code><br>
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<td>compile time</td>
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</tr>
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<tr>
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<a name="range_result_iterator"></a>
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@ -301,31 +281,18 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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<tr>
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<a name="range_reverse_iterator"></a>
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<td><code>range_reverse_iterator<X>::type</code></td>
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<td><code>boost::reverse_iterator< typename range_iterator<T>::type ></code><br>
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<td><code>boost::reverse_iterator<range_iterator<X>::type></code><br>
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<td>compile time</td>
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</tr>
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<tr>
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<a name="range_const_reverse_iterator"></a>
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<td><code>range_const_reverse_iterator<X>::type</code></td>
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<td><code>boost::reverse_iterator< typename range_const_iterator<T>::type ></code>
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<td><code>range_reverse_iterator<const X>::type</code></td>
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<td><code>boost::reverse_iterator<range_iterator<const X>::type></code>
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<br>
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<td>compile time</td>
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</tr>
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<tr>
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<a name="range_reverse_result_iterator"></a>
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<td><code>range_reverse_result_iterator<X>::type</code></td>
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<td><code>boost::reverse_iterator< typename range_result_iterator<T>::type
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></code>
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<td>compile time</td>
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</tr>
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</table>
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</p>
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<p>
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The special metafunctions <code>range_result_iterator</code> and <code>range_reverse_result_iterator</code>
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are not part of any Range concept, but they are very useful when implementing
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certain Range classes like <a href="utility_class.html#sub_range"><code>sub_range</code></a>
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because of their ability to select iterators based on constness.
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</p>
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<h4>Functions</h4>
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<p>
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<table border="1" cellpadding="5">
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@ -347,7 +314,7 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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<code>p.first</code> if <code>p</code> is of type <code>std::pair<T><code><br>
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<code>a</code> if <code>a</code> is an array <br>
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<code>s</code> if <code>s</code> is a string literal<br>
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<code>boost_range_begin(x)</code> if that expression would invoke a function found by ADL <br>
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<code>range_begin(x)</code> if that expression would invoke a function found by ADL <br>
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<code>t.begin()</code> otherwise
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<td>constant time</td>
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@ -363,7 +330,7 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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<br>
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<code>s + sz - 1</code> if <code>s</code> is a string literal of size <code>sz</code>
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<br>
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<code>boost_range_end(x)</code> if that expression would invoke a function found by ADL <br>
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<code>range_end(x)</code> if that expression would invoke a function found by ADL <br>
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<code>t.end()</code> otherwise
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<td>linear if <code>X</code> is <code>Char*</code>
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@ -380,27 +347,32 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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constant time otherwise<br>
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</td>
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</tr>
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<tr>
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<a name="distance"></a>
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<td><code>distance(x)</code></td>
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<td><code>range_difference<X>::type</code></td>
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<td>
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<code>
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std::distance(boost::begin(x),boost::end(x))
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</code>
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</td>
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<td>-</td>
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</tr>
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<tr>
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<a name="size"></a>
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<td><code>size(x)</code></td>
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<td><code>range_size<X>::type</code></td>
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<td>
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<code>std::distance(p.first,p.second)</code> if <code>p</code> is of type <code>std::pair<T><code><br>
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<code>sz</code> if <code>a</code> is an array of size <code>sz</code><br>
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<code>end(s) - s</code> if <code>s</code> is a string literal or a <code>Char*</code><br>
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<code>boost_range_size(x)</code> if that expression would invoke a function found by ADL <br>
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<code>t.size()</code> otherwise
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<td>linear if <code>X</code> is <code>Char*</code>
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<br>
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or if <code>std::distance()</code> is linear
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<br>
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constant time otherwise</td>
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<td><code>range_difference<X>::type</code></td>
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<td><code> boost::end(x) - boost::begin(x)</code>
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<td> constant time </td>
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</tr>
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<tr>
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<a name="rbegin"></a>
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<td><code>rbegin(x)</code></td>
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<td><code>range_reverse_result_iterator<X>::type</code></td>
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<td><code>range_reverse_result_iterator<X>::type( end(x) )</code>
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<td><code>range_reverse_iterator<X>::type</code></td>
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<td><code>range_reverse_iterator<X>::type( end(x) )</code>
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<br>
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<td>same as <code>end(x)</code>
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</td>
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@ -408,15 +380,15 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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<tr>
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<a name="rend"></a>
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<td><code>rend(x)</code></td>
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<td><code>range_reverse_result_iterator<X>::type</code></td>
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<td><code>range_reverse_result_iterator<X>::type( begin(x) )</code>
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<td><code>range_reverse_iterator<X>::type</code></td>
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<td><code>range_reverse_iterator<X>::type( begin(x) )</code>
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<td>same as <code>begin(x)</code></td>
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</tr>
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<tr>
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<a name="const_begin"></a>
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<td><code>const_begin(x)</code></td>
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<td><code>range_const_iterator<X>::type</code></td>
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<td><code>range_const_iterator<X>::type( begin(x) )</code>
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<td><code>range_iterator<const X>::type</code></td>
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<td><code>range_iterator<const X>::type( begin(x) )</code>
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<br>
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<td>same as <code>begin(x)</code>
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</td>
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@ -424,15 +396,15 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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<tr>
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<a name="const_end"></a>
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<td><code>const_end(x)</code></td>
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<td><code>range_const_iterator<X>::type</code></td>
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<td><code>range_const_iterator<X>::type( end(x) )</code>
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<td><code>range_iterator<const X>::type</code></td>
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<td><code>range_iterator<const X>::type( end(x) )</code>
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<td>same as <code>end(x)</code></td>
|
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</tr>
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<tr>
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<a name="const_rbegin"></a>
|
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<td><code>const_rbegin(x)</code></td>
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<td><code>range_const_reverse_iterator<X>::type</code></td>
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<td><code>range_const_reverse_iterator<X>::type( rbegin(x) )</code>
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<td><code>range_reverse_iterator<const X>::type</code></td>
|
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<td><code>range_reverse_iterator<const X>::type( rbegin(x) )</code>
|
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<br>
|
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<td>same as <code>rbegin(x)</code>
|
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</td>
|
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@ -440,21 +412,22 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
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<tr>
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<a name="const_rend"></a>
|
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<td><code>const_rend(x)</code></td>
|
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<td><code>range_const_reverse_iterator<X>::type</code></td>
|
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<td><code>range_const_reverse_iterator<X>::type( rend(x) )</code>
|
||||
<td><code>range_reverse_iterator<const X>::type</code></td>
|
||||
<td><code>range_reverse_iterator<const X>::type( rend(x) )</code>
|
||||
<td>same as <code>rend(x)</code></td>
|
||||
</tr>
|
||||
</table>
|
||||
</p>
|
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<p>
|
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The special <code>const</code> functions are not part of any Range concept, but
|
||||
are very useful when you want to document clearly that your code is read-only.
|
||||
The special <code>const_</code>-named functions are useful when you
|
||||
want to document clearly that your code is read-only.
|
||||
</p>
|
||||
<hr>
|
||||
<a name="minimal_interface"></a>
|
||||
<h3>Extending the library</h3>
|
||||
<ul>
|
||||
<li><a href="#method1">Method 1: provide member functions and nested types</a></li>
|
||||
|
||||
<li><a href="#method2">Method 2: provide free-standing functions and specialize metafunctions</a></li>
|
||||
</ul>
|
||||
|
||||
@ -491,10 +464,6 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
</td>
|
||||
<td><a href="range.html#single_pass_range">Single Pass Range</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><code>size()</code></td>
|
||||
<td><a href="range.html#forward_range">Forward Range</a></td>
|
||||
</tr>
|
||||
</table>
|
||||
</p>
|
||||
<p>
|
||||
@ -520,10 +489,6 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
<td><code>const_iterator</code></td>
|
||||
<td><a href="range.html#single_pass_range">Single Pass Range</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><code>size_type</code></td>
|
||||
<td><a href="range.html#forward_range">Forward Range</a></td>
|
||||
</tr>
|
||||
</table>
|
||||
</p>
|
||||
<p>
|
||||
@ -554,26 +519,23 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
<th>
|
||||
Related concept</th>
|
||||
<tr>
|
||||
<td><code>boost_range_begin(x)</code></td>
|
||||
<td><code>range_begin(x)</code></td>
|
||||
<td><a href="range.html#single_pass_range">Single Pass Range</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><code>boost_range_end(x)</code>
|
||||
<td><code>range_end(x)</code>
|
||||
</td>
|
||||
<td><a href="range.html#single_pass_range">Single Pass Range</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><code>boost_range_size(x)</code></td>
|
||||
<td><a href="range.html#forward_range">Forward Range</a></td>
|
||||
</tr>
|
||||
|
||||
</table>
|
||||
</p>
|
||||
<p><code>boost_range_begin()</code> and <code>boost_range_end()</code> must be
|
||||
<p><code>range_begin()</code> and <code>range_end()</code> must be
|
||||
overloaded for both <code>const</code> and mutable reference arguments.
|
||||
</p>
|
||||
|
||||
<p>
|
||||
You must also specialize 3 metafunctions for your type <code>X</code>:
|
||||
You must also specialize two metafunctions for your type <code>X</code>:
|
||||
</p>
|
||||
<p>
|
||||
<table cellpadding="5" border="1" ID="Table2">
|
||||
@ -583,17 +545,14 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
<th>
|
||||
Related concept</th>
|
||||
<tr>
|
||||
<td><code>boost::range_iterator</code></td>
|
||||
<td><code>boost::range_mutable_iterator</code></td>
|
||||
<td><a href="range.html#single_pass_range">Single Pass Range</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><code>boost::range_const_iterator</code></td>
|
||||
<td><a href="range.html#single_pass_range">Single Pass Range</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><code>boost::range_size</code></td>
|
||||
<td><a href="range.html#forward_range">Forward Range</a></td>
|
||||
</tr>
|
||||
|
||||
</table>
|
||||
</p>
|
||||
<p>
|
||||
@ -627,7 +586,7 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
//</span>
|
||||
|
||||
<span class=keyword>template</span><span class=special><</span> <span class=keyword>class</span> <span class=identifier>T</span> <span class=special>></span>
|
||||
<span class=keyword>struct</span> <span class=identifier>range_iterator</span><span class=special><</span> <span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>></span> <span class=special>></span>
|
||||
<span class=keyword>struct</span> <span class=identifier>range_mutable_iterator</span><span class=special><</span> <span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>></span> <span class=special>></span>
|
||||
<span class=special>{</span>
|
||||
<span class=keyword>typedef</span> <span class=identifier>T</span> <span class=identifier>type</span><span class=special>;</span>
|
||||
<span class=special>};</span>
|
||||
@ -636,20 +595,13 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
<span class=keyword>struct</span> <span class=identifier>range_const_iterator</span><span class=special><</span> <span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>></span> <span class=special>></span>
|
||||
<span class=special>{</span>
|
||||
<span class=comment>//
|
||||
// Remark: this is defined similar to 'range_iterator'
|
||||
// Remark: this is defined similar to 'range_mutable_iterator'
|
||||
// because the 'Pair' type does not distinguish
|
||||
// between an iterator and a const_iterator.
|
||||
//</span>
|
||||
<span class=keyword>typedef</span> <span class=identifier>T</span> <span class=identifier>type</span><span class=special>;</span>
|
||||
<span class=special>};</span>
|
||||
|
||||
<span class=keyword>template</span><span class=special><</span> <span class=keyword>class</span> <span class=identifier>T</span> <span class=special>></span>
|
||||
<span class=keyword>struct</span> <span class=identifier>range_size</span><span class=special><</span> <span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>></span> <span class=special>></span>
|
||||
<span class=special>{</span>
|
||||
|
||||
<span class=keyword>typedef</span> <span class=identifier>std</span><span class=special>::</span><span class=identifier>size_t</span> <span class=identifier>type</span><span class=special>;</span>
|
||||
<span class=special>};</span>
|
||||
|
||||
<span class=special>}</span> <span class=comment>// namespace 'boost'</span>
|
||||
|
||||
<span class=keyword>namespace</span> <span class=identifier>Foo</span>
|
||||
@ -661,36 +613,29 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
//</span>
|
||||
|
||||
<span class=keyword>template</span><span class=special><</span> <span class=keyword>class</span> <span class=identifier>T</span> <span class=special>></span>
|
||||
<span class=keyword>inline</span> <span class=identifier>T</span> <span class=identifier>boost_range_begin</span><span class=special>(</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=keyword>inline</span> <span class=identifier>T</span> <span class=identifier>range_begin</span><span class=special>(</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=special>{</span>
|
||||
<span class=keyword>return</span> <span class=identifier>x</span><span class=special>.</span><span class=identifier>first</span><span class=special>;</span>
|
||||
<span class=special>}</span>
|
||||
|
||||
<span class=keyword>template</span><span class=special><</span> <span class=keyword>class</span> <span class=identifier>T</span> <span class=special>></span>
|
||||
<span class=keyword>inline</span> <span class=identifier>T</span> <span class=identifier>boost_range_begin</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=keyword>inline</span> <span class=identifier>T</span> <span class=identifier>range_begin</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=special>{</span>
|
||||
<span class=keyword>return</span> <span class=identifier>x</span><span class=special>.</span><span class=identifier>first</span><span class=special>;</span>
|
||||
<span class=special>}</span>
|
||||
|
||||
<span class=keyword>template</span><span class=special><</span> <span class=keyword>class</span> <span class=identifier>T</span> <span class=special>></span>
|
||||
<span class=keyword>inline</span> <span class=identifier>T</span> <span class=identifier>boost_range_end</span><span class=special>(</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=keyword>inline</span> <span class=identifier>T</span> <span class=identifier>range_end</span><span class=special>(</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=special>{</span>
|
||||
<span class=keyword>return</span> <span class=identifier>x</span><span class=special>.</span><span class=identifier>last</span><span class=special>;</span>
|
||||
<span class=special>}</span>
|
||||
|
||||
<span class=keyword>template</span><span class=special><</span> <span class=keyword>class</span> <span class=identifier>T</span> <span class=special>></span>
|
||||
<span class=keyword>inline</span> <span class=identifier>T</span> <span class=identifier>boost_range_end</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=keyword>inline</span> <span class=identifier>T</span> <span class=identifier>range_end</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=special>{</span>
|
||||
<span class=keyword>return</span> <span class=identifier>x</span><span class=special>.</span><span class=identifier>last</span><span class=special>;</span>
|
||||
<span class=special>}</span>
|
||||
|
||||
<span class=keyword>template</span><span class=special><</span> <span class=keyword>class</span> <span class=identifier>T</span> <span class=special>></span>
|
||||
<span class=keyword>inline</span> <span class=keyword>typename</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>range_size</span><span class=special><</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>></span> <span class=special>>::</span><span class=identifier>type</span>
|
||||
<span class=identifier>boost_range_size</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>Pair</span><span class=special><</span><span class=identifier>T</span><span class=special>>&</span> <span class=identifier>x</span> <span class=special>)</span>
|
||||
<span class=special>{</span>
|
||||
<span class=keyword>return</span> <span class=identifier>std</span><span class=special>::</span><span class=identifier>distance</span><span class=special>(</span><span class=identifier>x</span><span class=special>.</span><span class=identifier>first</span><span class=special>,</span><span class=identifier>x</span><span class=special>.</span><span class=identifier>last</span><span class=special>);</span>
|
||||
<span class=special>}</span>
|
||||
|
||||
<span class=special>}</span> <span class=comment>// namespace 'Foo'</span>
|
||||
|
||||
<span class=preprocessor>#include</span> <span class=special><</span><span class=identifier>vector</span><span class=special>></span>
|
||||
@ -699,7 +644,7 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
<span class=special>{</span>
|
||||
<span class=keyword>typedef</span> <span class=identifier>std</span><span class=special>::</span><span class=identifier>vector</span><span class=special><</span><span class=keyword>int</span><span class=special>>::</span><span class=identifier>iterator</span> <span class=identifier>iter</span><span class=special>;</span>
|
||||
<span class=identifier>std</span><span class=special>::</span><span class=identifier>vector</span><span class=special><</span><span class=keyword>int</span><span class=special>></span> <span class=identifier>vec</span><span class=special>;</span>
|
||||
<span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>iter</span><span class=special>></span> <span class=identifier>pair</span> <span class=special>=</span> <span class=special>{</span> <span class=identifier>vec</span><span class=special>.</span><span class=identifier>begin</span><span class=special>(),</span> <span class=identifier>vec</span><span class=special>.</span><span class=identifier>end</span><span class=special>()</span> <span class=special>};</span>
|
||||
<span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>iter</span><span class=special>></span> <span class=identifier>pair</span> <span class=special>=</span> <span class=special>{</span> <span class=identifier>vec</span><span class=special>.</span><span class=identifier>begin</span><span class=special>(),</span> <span class=identifier>vec</span><span class=special>.</span><span class=identifier>end</span><span class=special>()</span> <span class=special>};</span>
|
||||
<span class=keyword>const</span> <span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>iter</span><span class=special>>&</span> <span class=identifier>cpair</span> <span class=special>=</span> <span class=identifier>pair</span><span class=special>;</span>
|
||||
<span class=comment>//
|
||||
// Notice that we call 'begin' etc with qualification.
|
||||
@ -708,9 +653,9 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
<span class=identifier>iter</span> <span class=identifier>e</span> <span class=special>=</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>end</span><span class=special>(</span> <span class=identifier>pair</span> <span class=special>);</span>
|
||||
<span class=identifier>i</span> <span class=special>=</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>begin</span><span class=special>(</span> <span class=identifier>cpair</span> <span class=special>);</span>
|
||||
<span class=identifier>e</span> <span class=special>=</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>end</span><span class=special>(</span> <span class=identifier>cpair</span> <span class=special>);</span>
|
||||
<span class=identifier>boost</span><span class=special>::</span><span class=identifier>range_size</span><span class=special><</span> <span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>iter</span><span class=special>></span> <span class=special>>::</span><span class=identifier>type</span> <span class=identifier>s</span> <span class=special>=</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>size</span><span class=special>(</span> <span class=identifier>pair</span> <span class=special>);</span>
|
||||
<span class=identifier>boost</span><span class=special>::</span><span class=identifier>range_difference</span><span class=special><</span> <span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>iter</span><span class=special>></span> <span class=special>>::</span><span class=identifier>type</span> <span class=identifier>s</span> <span class=special>=</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>size</span><span class=special>(</span> <span class=identifier>pair</span> <span class=special>);</span>
|
||||
<span class=identifier>s</span> <span class=special>=</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>size</span><span class=special>(</span> <span class=identifier>cpair</span> <span class=special>);</span>
|
||||
<span class=identifier>boost</span><span class=special>::</span><span class=identifier>range_const_reverse_iterator</span><span class=special><</span> <span class=identifier>Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>iter</span><span class=special>></span> <span class=special>>::</span><span class=identifier>type</span>
|
||||
<span class=identifier>boost</span><span class=special>::</span><span class=identifier>range_reverse_iterator</span><span class=special><</span> <span class=identifier>const Foo</span><span class=special>::</span><span class=identifier>Pair</span><span class=special><</span><span class=identifier>iter</span><span class=special>></span> <span class=special>>::</span><span class=identifier>type</span>
|
||||
<span class=identifier>ri</span> <span class=special>=</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>rbegin</span><span class=special>(</span> <span class=identifier>cpair</span> <span class=special>),</span>
|
||||
<span class=identifier>re</span> <span class=special>=</span> <span class=identifier>boost</span><span class=special>::</span><span class=identifier>rend</span><span class=special>(</span> <span class=identifier>cpair</span> <span class=special>);</span>
|
||||
<span class=special>}</span>
|
||||
@ -719,7 +664,7 @@ class=identifier>T</span><span class=special>& </span><span class=identifier
|
||||
|
||||
<hr>
|
||||
<p>
|
||||
(C) Copyright Thorsten Ottosen 2003-2004
|
||||
(C) Copyright Thorsten Ottosen 2003-2007
|
||||
</p>
|
||||
<br>
|
||||
<br>
|
||||
|
||||
@ -26,10 +26,6 @@
|
||||
</li>
|
||||
shows how to implement a container version of <code >std::find()</code> that
|
||||
works with <code >char[],wchar_t[],char*,wchar_t*.</code>
|
||||
<p>
|
||||
<b>Warning:</b><i> support for null-terminated strings is deprecated and will
|
||||
disappear in the next Boost release (1.34). </i>
|
||||
</p>
|
||||
|
||||
<li >
|
||||
<a href="../test/algorithm_example.cpp" target="_self" ><code >algorithm_example.cpp</code></a>
|
||||
|
||||
@ -35,16 +35,14 @@
|
||||
enough functionality to satisfy the needs of the generic code
|
||||
<i>if a suitable layer of indirection is applied </i>. For
|
||||
example, raw arrays are often suitable for use with generic code that
|
||||
works with containers, provided a suitable adapter is used. Likewise, null
|
||||
terminated strings can be treated as containers of characters, if suitably
|
||||
adapted.
|
||||
works with containers, provided a suitable adapter is used.
|
||||
</p>
|
||||
|
||||
<p>
|
||||
This library therefore provides the means to adapt standard-like
|
||||
containers,
|
||||
null terminated strings, <code>std::pairs</code> of iterators, and raw
|
||||
arrays (and more), such that the same generic code can work with them all.
|
||||
containers, <code>std::pairs</code> of iterators, and raw arrays (and
|
||||
more), such that
|
||||
the same generic code can work with them all.
|
||||
The basic idea is to add another layer of indirection using <a
|
||||
href="../../mpl/doc/refmanual/metafunction.html">metafunctions</a> and
|
||||
free-standing functions so syntactic and/or semantic differences can be removed.
|
||||
|
||||
300
doc/mfc_atl.html
300
doc/mfc_atl.html
@ -3,14 +3,289 @@
|
||||
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
|
||||
<meta name="generator" content="Docutils 0.4: http://docutils.sourceforge.net/" />
|
||||
<meta name="generator" content="Docutils 0.3.10: http://docutils.sourceforge.net/" />
|
||||
<title>Boost Range MFC/ATL Extension</title>
|
||||
<meta name="author" content="Shunsuke Sogame" />
|
||||
<meta name="date" content="26th of May 2006" />
|
||||
<meta name="copyright" content="Shunsuke Sogame 2005-2006. Use, modification and distribution is subject to the Boost Software License, Version 1.0 (see LICENSE_1_0.txt)." />
|
||||
<style type="text/css">
|
||||
|
||||
@import "http://www.boost.org/libs/ptr_container/doc/default.css";
|
||||
/*
|
||||
:Author: David Goodger
|
||||
:Contact: goodger@users.sourceforge.net
|
||||
:Date: $Date: 2005-09-25 17:49:54 +0200 (Sun, 25 Sep 2005) $
|
||||
:Revision: $Revision: 3901 $
|
||||
:Copyright: This stylesheet has been placed in the public domain.
|
||||
|
||||
Default cascading style sheet for the HTML output of Docutils.
|
||||
|
||||
See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
|
||||
customize this style sheet.
|
||||
*/
|
||||
|
||||
/* "! important" is used here to override other ``margin-top`` and
|
||||
``margin-bottom`` styles that are later in the stylesheet or
|
||||
more specific. See http://www.w3.org/TR/CSS1#the-cascade */
|
||||
.first {
|
||||
margin-top: 0 ! important }
|
||||
|
||||
.last, .with-subtitle {
|
||||
margin-bottom: 0 ! important }
|
||||
|
||||
.hidden {
|
||||
display: none }
|
||||
|
||||
a.toc-backref {
|
||||
text-decoration: none ;
|
||||
color: black }
|
||||
|
||||
blockquote.epigraph {
|
||||
margin: 2em 5em ; }
|
||||
|
||||
dl.docutils dd {
|
||||
margin-bottom: 0.5em }
|
||||
|
||||
/* Uncomment (and remove this text!) to get bold-faced definition list terms
|
||||
dl.docutils dt {
|
||||
font-weight: bold }
|
||||
*/
|
||||
|
||||
div.abstract {
|
||||
margin: 2em 5em }
|
||||
|
||||
div.abstract p.topic-title {
|
||||
font-weight: bold ;
|
||||
text-align: center }
|
||||
|
||||
div.admonition, div.attention, div.caution, div.danger, div.error,
|
||||
div.hint, div.important, div.note, div.tip, div.warning {
|
||||
margin: 2em ;
|
||||
border: medium outset ;
|
||||
padding: 1em }
|
||||
|
||||
div.admonition p.admonition-title, div.hint p.admonition-title,
|
||||
div.important p.admonition-title, div.note p.admonition-title,
|
||||
div.tip p.admonition-title {
|
||||
font-weight: bold ;
|
||||
font-family: sans-serif }
|
||||
|
||||
div.attention p.admonition-title, div.caution p.admonition-title,
|
||||
div.danger p.admonition-title, div.error p.admonition-title,
|
||||
div.warning p.admonition-title {
|
||||
color: red ;
|
||||
font-weight: bold ;
|
||||
font-family: sans-serif }
|
||||
|
||||
/* Uncomment (and remove this text!) to get reduced vertical space in
|
||||
compound paragraphs.
|
||||
div.compound .compound-first, div.compound .compound-middle {
|
||||
margin-bottom: 0.5em }
|
||||
|
||||
div.compound .compound-last, div.compound .compound-middle {
|
||||
margin-top: 0.5em }
|
||||
*/
|
||||
|
||||
div.dedication {
|
||||
margin: 2em 5em ;
|
||||
text-align: center ;
|
||||
font-style: italic }
|
||||
|
||||
div.dedication p.topic-title {
|
||||
font-weight: bold ;
|
||||
font-style: normal }
|
||||
|
||||
div.figure {
|
||||
margin-left: 2em }
|
||||
|
||||
div.footer, div.header {
|
||||
clear: both;
|
||||
font-size: smaller }
|
||||
|
||||
div.line-block {
|
||||
display: block ;
|
||||
margin-top: 1em ;
|
||||
margin-bottom: 1em }
|
||||
|
||||
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|
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|
||||
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|
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|
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|
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|
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|
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|
||||
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|
||||
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|
||||
|
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|
||||
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|
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|
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|
||||
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|
||||
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|
||||
|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
|
||||
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|
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|
||||
|
||||
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
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||||
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|
||||
|
||||
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|
||||
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|
||||
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|
||||
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|
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||||
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|
||||
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|
||||
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|
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|
||||
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|
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||||
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||||
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|
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|
||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
|
||||
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|
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
padding-left: 0 }
|
||||
|
||||
h1 tt.docutils, h2 tt.docutils, h3 tt.docutils,
|
||||
h4 tt.docutils, h5 tt.docutils, h6 tt.docutils {
|
||||
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|
||||
|
||||
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|
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|
||||
|
||||
ul.auto-toc {
|
||||
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|
||||
|
||||
</style>
|
||||
</head>
|
||||
@ -33,7 +308,7 @@
|
||||
</table>
|
||||
<div class="section">
|
||||
<h1><a id="overview" name="overview">Overview</a></h1>
|
||||
<p>Boost.Range MFC/ATL Extension provides <a class="reference" href="http://www.boost.org/libs/range/">Boost.Range</a> support for MFC/ATL collection and string types.</p>
|
||||
<p>Boost.Range MFC/ATL Extension provides <a class="reference" href="../index.html">Boost.Range</a> support for MFC/ATL collection and string types.</p>
|
||||
<pre class="literal-block">
|
||||
CTypedPtrArray<CPtrArray, CList<CString> *> myArray;
|
||||
...
|
||||
@ -64,7 +339,7 @@ BOOST_FOREACH (CList<CString> *theList, myArray)
|
||||
</div>
|
||||
<div class="section">
|
||||
<h1><a id="mfc-ranges" name="mfc-ranges">MFC Ranges</a></h1>
|
||||
<p>If the <tt class="docutils literal"><span class="pre"><boost/range/mfc.hpp></span></tt> is included before or after <a class="reference" href="http://www.boost.org/libs/range/">Boost.Range</a> headers,
|
||||
<p>If the <tt class="docutils literal"><span class="pre"><boost/range/mfc.hpp></span></tt> is included before or after <a class="reference" href="../index.html">Boost.Range</a> headers,
|
||||
the MFC collections and strings become models of Range.
|
||||
The table below lists the Traversal Category and <tt class="docutils literal"><span class="pre">range_reference</span></tt> of MFC ranges.</p>
|
||||
<table border="1" class="docutils">
|
||||
@ -170,7 +445,7 @@ The table below lists the Traversal Category and <tt class="docutils literal"><s
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
<p>Other <a class="reference" href="http://www.boost.org/libs/range/">Boost.Range</a> metafunctions are defined by the following.
|
||||
<p>Other <a class="reference" href="../index.html">Boost.Range</a> metafunctions are defined by the following.
|
||||
Let <tt class="docutils literal"><span class="pre">Range</span></tt> be any type listed above and <tt class="docutils literal"><span class="pre">ReF</span></tt> be the same as <tt class="docutils literal"><span class="pre">range_reference<Range>::type</span></tt>.
|
||||
<tt class="docutils literal"><span class="pre">range_value<Range>::type</span></tt> is the same as <tt class="docutils literal"><span class="pre">remove_reference<remove_const<Ref>::type>::type</span></tt>,
|
||||
<tt class="docutils literal"><span class="pre">range_difference<Range>::type</span></tt> is the same as <tt class="docutils literal"><span class="pre">std::ptrdiff_t</span></tt>, and
|
||||
@ -179,7 +454,7 @@ As for <tt class="docutils literal"><span class="pre">const</span> <span class="
|
||||
</div>
|
||||
<div class="section">
|
||||
<h1><a id="atl-ranges" name="atl-ranges">ATL Ranges</a></h1>
|
||||
<p>If the <tt class="docutils literal"><span class="pre"><boost/range/atl.hpp></span></tt> is included before or after <a class="reference" href="http://www.boost.org/libs/range/">Boost.Range</a> headers,
|
||||
<p>If the <tt class="docutils literal"><span class="pre"><boost/range/atl.hpp></span></tt> is included before or after <a class="reference" href="../index.html">Boost.Range</a> headers,
|
||||
the ATL collections and strings become models of Range.
|
||||
The table below lists the Traversal Category and <tt class="docutils literal"><span class="pre">range_reference</span></tt> of ATL ranges.</p>
|
||||
<table border="1" class="docutils">
|
||||
@ -265,7 +540,7 @@ The table below lists the Traversal Category and <tt class="docutils literal"><s
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
<p>Other <a class="reference" href="http://www.boost.org/libs/range/">Boost.Range</a> metafunctions are defined by the following.
|
||||
<p>Other <a class="reference" href="../index.html">Boost.Range</a> metafunctions are defined by the following.
|
||||
Let <tt class="docutils literal"><span class="pre">Range</span></tt> be any type listed above and <tt class="docutils literal"><span class="pre">ReF</span></tt> be the same as <tt class="docutils literal"><span class="pre">range_reference<Range>::type</span></tt>.
|
||||
<tt class="docutils literal"><span class="pre">range_value<Range>::type</span></tt> is the same as <tt class="docutils literal"><span class="pre">remove_reference<Ref>::type</span></tt>,
|
||||
<tt class="docutils literal"><span class="pre">range_difference<Range>::type</span></tt> is the same as <tt class="docutils literal"><span class="pre">std::ptrdiff_t</span></tt>, and
|
||||
@ -288,7 +563,7 @@ else if (there is a type X such that X* const is the same as ReF)
|
||||
else
|
||||
return ReF
|
||||
</pre>
|
||||
<p>Other <a class="reference" href="http://www.boost.org/libs/range/">Boost.Range</a> metafunctions are defined by the following.
|
||||
<p>Other <a class="reference" href="../index.html">Boost.Range</a> metafunctions are defined by the following.
|
||||
<tt class="docutils literal"><span class="pre">range_value<const</span> <span class="pre">Range>::type</span></tt> is the same as <tt class="docutils literal"><span class="pre">range_value<Range>::type</span></tt>,
|
||||
<tt class="docutils literal"><span class="pre">range_difference<const</span> <span class="pre">Range>::type</span></tt> is the same as <tt class="docutils literal"><span class="pre">std::ptrdiff_t</span></tt>, and
|
||||
<tt class="docutils literal"><span class="pre">range_pointer<const</span> <span class="pre">Range>::type</span></tt> is the same as <tt class="docutils literal"><span class="pre">add_pointer<remove_reference<range_reference<const</span> <span class="pre">Range>::type>::type>::type</span></tt>.</p>
|
||||
@ -296,18 +571,11 @@ else
|
||||
<div class="section">
|
||||
<h1><a id="references" name="references">References</a></h1>
|
||||
<ul class="simple">
|
||||
<li><a class="reference" href="http://www.boost.org/libs/range/">Boost.Range</a></li>
|
||||
<li><a class="reference" href="../index.html">Boost.Range</a></li>
|
||||
<li><a class="reference" href="http://msdn2.microsoft.com/en-us/library/942860sh.aspx">MFC Collections</a></li>
|
||||
<li><a class="reference" href="http://msdn2.microsoft.com/en-US/library/15e672bd.aspx">ATL Collection Classes</a></li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
<div class="footer">
|
||||
<hr class="footer" />
|
||||
<a class="reference" href="mfc_atl.rst">View document source</a>.
|
||||
Generated on: 2006-06-04 22:37 UTC.
|
||||
Generated by <a class="reference" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source.
|
||||
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
@ -225,8 +225,8 @@ __ http://msdn2.microsoft.com/en-US/library/15e672bd.aspx
|
||||
|
||||
.. _Boost C++ Libraries: http://www.boost.org/
|
||||
.. _Boost: `Boost C++ Libraries`_
|
||||
.. _Boost.Range: http://www.boost.org/libs/range/
|
||||
.. _forward: http://www.boost.org/libs/range/doc/range.html#forward_range
|
||||
.. _bidirectional: http://www.boost.org/libs/range/doc/range.html#forward_range
|
||||
.. _random access: http://www.boost.org/libs/range/doc/range.html#random_access_range
|
||||
.. _Boost.Range: ../index.html
|
||||
.. _forward: range.html#forward_range
|
||||
.. _bidirectional: range.html#forward_range
|
||||
.. _random access: range.html#random_access_range
|
||||
|
||||
|
||||
@ -36,7 +36,7 @@ href="http://boost.sourceforge.net/regression-logs/developer/range.html">here</a
|
||||
<p >
|
||||
Notice also that some compilers cannot do function template ordering properly.
|
||||
In that case one must rely of <a
|
||||
href="boost_range.html#range_result_iterator"><code >range_result_iterator</code></a>
|
||||
href="boost_range.html#range_iterator"><code >range_iterator</code></a>
|
||||
and a single function definition instead of overloaded versions for const and
|
||||
non-const arguments.
|
||||
|
||||
|
||||
209
doc/range.html
209
doc/range.html
@ -50,7 +50,7 @@
|
||||
Range provides iterators for accessing a half-open range
|
||||
<code>[first,one_past_last)</code> of elements and provides
|
||||
information about the number of elements in the Range. However, a Range has
|
||||
fewer requirements than a Container.
|
||||
<i>much</i> fewer requirements than a Container.
|
||||
</p>
|
||||
<p>
|
||||
The motivation for the Range concept is
|
||||
@ -78,9 +78,9 @@
|
||||
The operations that can be performed on a Range is dependent on the
|
||||
<a href="../../iterator/doc/new-iter-concepts.html#iterator-traversal-concepts-lib-iterator-traversal">traversal
|
||||
category</a> of the underlying iterator type. Therefore
|
||||
the range concepts are named to reflect which traversal category its
|
||||
iterators support. See also <a href="style.html">terminology and style guidelines.</a>
|
||||
for more information about naming of ranges.</p>
|
||||
the range concepts are named to reflect which traversal category their
|
||||
iterators support. See also <a href="style.html">terminology and style
|
||||
guidelines.</a> for more information about naming of ranges.</p>
|
||||
|
||||
<p> The concepts described below specifies associated types as
|
||||
<a href="../../mpl/doc/refmanual/metafunction.html">metafunctions</a> and all
|
||||
@ -118,11 +118,7 @@ Single Pass Iterator</a>
|
||||
<h3>Associated types</h3>
|
||||
|
||||
<table border="1" cellpadding="5">
|
||||
<TR>
|
||||
<TD VAlign="top">Value type</TD>
|
||||
<TD VAlign="top"><code>boost::range_value<X>::type</code></TD>
|
||||
<TD VAlign="top">The type of the object stored in a Range.
|
||||
</TR>
|
||||
|
||||
<TR>
|
||||
<TD VAlign="top">Iterator type</TD>
|
||||
<TD VAlign="top"><code>boost::range_iterator<X>::type</code></TD>
|
||||
@ -132,7 +128,7 @@ Single Pass Iterator</a>
|
||||
</TR>
|
||||
<TR>
|
||||
<TD VAlign="top">Const iterator type</TD>
|
||||
<TD VAlign="top"><code>boost::range_const_iterator<X>::type</code></TD>
|
||||
<TD VAlign="top"><code>boost::range_iterator<const X>::type</code></TD>
|
||||
<TD VAlign="top">A type of iterator that may be used to examine, but not to
|
||||
modify, a Range's elements.</TD>
|
||||
</TR>
|
||||
@ -161,20 +157,16 @@ Single Pass Iterator</a>
|
||||
<TD VAlign="top">Beginning of range</TD>
|
||||
<TD VAlign="top"><code>boost::begin(a)</code></TD>
|
||||
<TD VAlign="top"><code>boost::range_iterator<X>::type</code> if
|
||||
<code>a</code> is mutable, <code>boost::range_const_iterator<X>::type</code>
|
||||
<code>a</code> is mutable, <code>boost::range_iterator<const X>::type</code>
|
||||
otherwise</TD> </TR>
|
||||
<TR>
|
||||
<TD VAlign="top">End of range</TD>
|
||||
<TD VAlign="top"><code>boost::end(a)</code></TD>
|
||||
<TD VAlign="top"><code>boost::range_iterator<X>::type</code> if
|
||||
<code>a</code> is mutable, <code>boost::range_const_iterator<X>::type</code>
|
||||
<code>a</code> is mutable, <code>boost::range_iterator<const X>::type</code>
|
||||
otherwise</TD>
|
||||
</TR>
|
||||
<tr>
|
||||
<TD VAlign="top">Is range empty?</TD>
|
||||
<TD VAlign="top"><code>boost::empty(a)</code></TD>
|
||||
<TD VAlign="top">Convertible to <code>bool</code></TD>
|
||||
</TR>
|
||||
|
||||
</table>
|
||||
<h3>Expression semantics</h3>
|
||||
|
||||
@ -188,7 +180,7 @@ otherwise</TD>
|
||||
<TD VAlign="top"><code>boost::begin(a)</code></TD>
|
||||
<TD VAlign="top">Returns an iterator pointing to the first element in the Range.</TD>
|
||||
<TD VAlign="top"><code>boost::begin(a)</code> is either dereferenceable or past-the-end.
|
||||
It is past-the-end if and only if <code>boost::size(a) == 0</code>.</TD>
|
||||
It is past-the-end if and only if <code>boost::distance(a) == 0</code>.</TD>
|
||||
</TR>
|
||||
<TR>
|
||||
<TD VAlign="top"><code>boost::end(a)</code></TD>
|
||||
@ -196,19 +188,14 @@ otherwise</TD>
|
||||
Range.</TD>
|
||||
<TD VAlign="top"><code>boost::end(a)</code> is past-the-end.</TD>
|
||||
</TR>
|
||||
<TR>
|
||||
<TD VAlign="top"><code>boost::empty(a)</code></TD>
|
||||
<TD VAlign="top">Equivalent to <code>boost::begin(a) == boost::end(a)</code>. (But possibly
|
||||
faster.)</TD>
|
||||
<TD VAlign="top"> - </TD>
|
||||
</TR>
|
||||
|
||||
</table>
|
||||
|
||||
<h3>Complexity guarantees</h3>
|
||||
|
||||
All three functions are at most amortized linear time. For most practical
|
||||
purposes, one can expect <code>boost::begin(a)</code>, <code>boost::end(a)</code> and <code>boost::empty(a)</code>
|
||||
to be amortized constant time.
|
||||
<code>boost::end(a)</code> is at most amortized linear time, <code>boost::begin(a)</code> is
|
||||
amortized constant time. For most practical
|
||||
purposes, one can expect both to be amortized constant time.
|
||||
|
||||
<h3>Invariants</h3>
|
||||
<Table border>
|
||||
@ -227,14 +214,17 @@ otherwise</TD>
|
||||
|
||||
|
||||
<h3>See also</h3>
|
||||
<p>
|
||||
<A href="http://www.sgi.com/Technology/STL/Container.html">Container</A>
|
||||
</p>
|
||||
<p> <a href="boost_range.html#boost::range_value">implementation of
|
||||
<p><a
|
||||
href="boost_range.html#minimal_interface">Extending the library for UDTs </a></p>
|
||||
<p> <a href="boost_range.html#boost::rang_difference">Implementation of
|
||||
metafunctions </a></p>
|
||||
|
||||
<p> <a href="boost_range.html#begin">implementation of
|
||||
<p> <a href="boost_range.html#begin">Implementation of
|
||||
functions </a></p>
|
||||
<p>
|
||||
<A href="http://www.sgi.com/Technology/STL/Container.html">Container</A>
|
||||
</p>
|
||||
|
||||
|
||||
<hr>
|
||||
<a name=forward_range><h2>Forward Range</h2>
|
||||
@ -261,76 +251,8 @@ href="../../iterator/doc/new-iter-concepts.html#forward-traversal-iterators-lib-
|
||||
<h3>Refinement of</h3> <a href="#single_pass_range">Single Pass
|
||||
Range</a>
|
||||
|
||||
<h3>Associated types</h3>
|
||||
|
||||
<table cellpadding="5" border="1">
|
||||
<TR>
|
||||
<TD VAlign="top">Distance type</TD>
|
||||
<TD VAlign="top"><code>boost::range_difference<X>::type</code></TD>
|
||||
<TD VAlign="top">A signed integral type used to represent the distance between
|
||||
two of the Range's iterators. This type must be the same as the iterator's
|
||||
distance type.</TD>
|
||||
</TR>
|
||||
<TR>
|
||||
<TD VAlign="top">Size type</TD>
|
||||
<TD VAlign="top"><code>boost::range_size<X>::type</code></TD>
|
||||
<TD VAlign="top">An unsigned integral type that can represent any nonnegative
|
||||
value of the Range's distance type.</TD>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
<h3>Valid expressions</h3>
|
||||
|
||||
<table border="1" cellpadding="5">
|
||||
<tr>
|
||||
<th>Name</th>
|
||||
<th>Expression</th>
|
||||
<th>Return type</th>
|
||||
</tr>
|
||||
<TR>
|
||||
<TD VAlign="top">Size of range</TD>
|
||||
<TD VAlign="top"><code>boost::size(a)</code></TD>
|
||||
<TD VAlign="top"><code>boost::range_size<X>::type</code></TD>
|
||||
</TR>
|
||||
</table>
|
||||
|
||||
<h3>Expression semantics </h3>
|
||||
|
||||
<table border="1" cellpadding="5">
|
||||
<TR>
|
||||
<TH>Expression</TH>
|
||||
<TH>Semantics</TH>
|
||||
<TH>Postcondition</TH>
|
||||
</TR>
|
||||
<tr>
|
||||
<TD VAlign="top"><code>boost::size(a)</code></TD>
|
||||
<TD VAlign="top">Returns the size of the Range, that is, its number
|
||||
of elements. Note <code>boost::size(a) == 0u</code> is equivalent to
|
||||
<code>boost::empty(a).</code></TD>
|
||||
<TD VAlign="top"><code>boost::size(a) >= 0</TD>
|
||||
</TR>
|
||||
</table>
|
||||
|
||||
<h3>Complexity guarantees</h3>
|
||||
|
||||
<p><code>boost::size(a)</code> is at most amortized linear time.</p>
|
||||
|
||||
<h3>Invariants</h3>
|
||||
<p>
|
||||
<Table border="1" cellpadding="5">
|
||||
<TR>
|
||||
<TD VAlign="top">Range size</TD>
|
||||
<TD VAlign="top"><code>boost::size(a)</code> is equal to the distance from <code>boost::begin(a)</code>
|
||||
to <code>boost::end(a)</code>.</TD> </table>
|
||||
</p>
|
||||
|
||||
<h3>See also</h3>
|
||||
<p> <a href="boost_range.html#boost::range_difference">implementation of
|
||||
metafunctions </a></p>
|
||||
|
||||
<p> <a href="boost_range.html#size">implementation of
|
||||
functions </a></p>
|
||||
|
||||
</p>
|
||||
|
||||
<hr>
|
||||
|
||||
<a name="bidirectional_range"><h2>Bidirectional Range</h2>
|
||||
@ -356,83 +278,8 @@ s-lib-bidirectional-traversal-iterators">Bidirectional Traversal Iterator.</a>
|
||||
|
||||
<h3>Refinement of</h3> <a href="#forward_range">Forward Range</a>
|
||||
|
||||
<h3>Associated types</h3>
|
||||
|
||||
<Table border>
|
||||
<TR>
|
||||
<TD VAlign="top">Reverse Iterator type</TD>
|
||||
<TD VAlign="top"><code>boost::range_reverse_iterator<X>::type</code></TD>
|
||||
<TD VAlign="top">The type of iterator used to iterate through a Range's elements
|
||||
in reverse order. The iterator's value type is expected to be the Range's value
|
||||
type. A conversion from the reverse iterator type to the const reverse iterator
|
||||
type must exist. </TD>
|
||||
</TR>
|
||||
<TR>
|
||||
<TD VAlign="top">Const reverse iterator type</TD>
|
||||
<TD
|
||||
VAlign="top"><code>boost::range_const_reverse_iterator<X>::type</code></TD>
|
||||
<TD VAlign="top">A type of reverse iterator that may be used to examine, but not
|
||||
to modify, a Range's elements.</TD>
|
||||
</TR>
|
||||
</table>
|
||||
|
||||
|
||||
<h3>Valid expressions</h3>
|
||||
|
||||
<Table border>
|
||||
<TR>
|
||||
<TH>Name</TH>
|
||||
<TH>Expression</TH>
|
||||
<TH>Return type</TH>
|
||||
<TH>Semantics</TH>
|
||||
</TR>
|
||||
<TR>
|
||||
<TD VAlign="top">Beginning of range</TD>
|
||||
<TD VAlign="top"><code>boost::rbegin(a)</code></TD>
|
||||
<TD VAlign="top"><code>boost::range_reverse_iterator<X>::type</code> if
|
||||
<code>a</code> is mutable, <code>boost::range_const_reverse_iterator<X>::type</code>
|
||||
otherwise.</TD>
|
||||
<TD VAlign="top">Equivalent to
|
||||
<code>boost::range_reverse_iterator<X>::type(boost::end(a))</code>.</TD> </TR>
|
||||
<TR>
|
||||
<TD VAlign="top">End of range</TD>
|
||||
<TD VAlign="top"><code>boost::rend(a)</code></TD>
|
||||
<TD VAlign="top"><code>boost::range_reverse_iterator<X>::type</code> if
|
||||
<code>a</code> is mutable, <code>boost::range_const_reverse_iterator<X>::type</code>
|
||||
otherwise.</TD>
|
||||
<TD VAlign="top">Equivalent to
|
||||
<code>boost::range_reverse_iterator<X>::type(boost::begin(a))</code>.</TD> </tr>
|
||||
|
||||
</table>
|
||||
|
||||
<h3>Complexity guarantees</h3>
|
||||
|
||||
<code>boost::rbegin(a)</code> has the same complexity as <code>boost::end(a)</code> and <code>boost::rend(a)</code>
|
||||
has the same complexity as <code>boost::begin(a)</code> from <a
|
||||
href="#forward_range">Forward Range</a>.
|
||||
|
||||
<h3>Invariants</h3>
|
||||
<p>
|
||||
<Table border="1" cellpadding="5">
|
||||
<TR>
|
||||
<TD VAlign="top">Valid reverse range</TD>
|
||||
<TD VAlign="top">For any Bidirectional Range <code>a</code>, <code>[boost::rbegin(a),boost::rend(a))</code>
|
||||
is a valid range, that is, <code>boost::rend(a)</code> is reachable from <code>boost::rbegin(a)</code>
|
||||
in a finite number of increments.</TD>
|
||||
</TR>
|
||||
<TR>
|
||||
<TD VAlign="top">Completeness</TD>
|
||||
<TD VAlign="top">An algorithm that iterates through the range <code>[boost::rbegin(a),boost::rend(a))</code>
|
||||
will pass through every element of <code>a</code>.</TD>
|
||||
</tr>
|
||||
</table>
|
||||
</p>
|
||||
|
||||
<h3>See also</h3>
|
||||
<p> <a href="boost_range.html#boost::range_reverse_iterator">implementation of metafunctions </a></p>
|
||||
|
||||
<p> <a href="boost_range.html#rbegin">implementation of
|
||||
functions </a></p>
|
||||
|
||||
</p>
|
||||
|
||||
<hr>
|
||||
|
||||
@ -455,7 +302,7 @@ href="../../iterator/doc/new-iter-concepts.html#random-access-traversal-iterator
|
||||
<a name=concept_checking><h2>Concept Checking</h2>
|
||||
|
||||
Each of the range concepts has a corresponding concept checking
|
||||
class in the file boost/range/concepts.hpp. These classes may be
|
||||
class in the file <code><boost/range/concepts.hpp></codE>. These classes may be
|
||||
used in conjunction with the <a
|
||||
href="../../concept_check/concept_check.htm">Boost Concept
|
||||
Check</a> library to insure that the type of a template parameter
|
||||
@ -529,7 +376,7 @@ href="../../iterator/doc/new-iter-concepts.html#random-access-traversal-iterator
|
||||
<TD><A HREF=http://www.boost.org/people/jeremy_siek.htm>Jeremy Siek</A>
|
||||
</TR>
|
||||
<tr >
|
||||
<TD nowrap>Copyright © 2004</TD>
|
||||
<TD nowrap>Copyright © 2004-2007</TD>
|
||||
<TD>Thorsten Ottosen.
|
||||
</TABLE>
|
||||
|
||||
|
||||
@ -59,19 +59,16 @@ corresponding <code>const_iterator</code> is. </p>
|
||||
<p>
|
||||
If the template argument is not a model of Forward Traversal Iterator, one can
|
||||
still use a subset of the interface. In particular, <code>size()</code> requires
|
||||
Forward Traversal Iterators whereas <code>empty()</code> only requires Single
|
||||
Random Access Iterators whereas <code>empty()</code> only requires Single
|
||||
Pass Iterators.
|
||||
</p>
|
||||
|
||||
<p>
|
||||
Recall that many default constructed iterators
|
||||
are <i>singular</i> and hence can only be assigned, but not compared or
|
||||
incremented or anything. However, if one creates a default constructed
|
||||
<code>iterator_range</code>, then one
|
||||
can still call all its member functions. This means that the
|
||||
<code>iterator_range</code> will still be usable in many contexts even
|
||||
though the iterators underneath are not.
|
||||
</p>
|
||||
incremented or anything. Likewise, if one creates a default constructed
|
||||
<code>iterator_range</code>, then one have to be careful about not doing
|
||||
anything besides copying. </p>
|
||||
|
||||
<h3>Synopsis</h3>
|
||||
|
||||
@ -82,9 +79,6 @@ corresponding <code>const_iterator</code> is. </p>
|
||||
</span><span class=keyword>class </span><span class=identifier>iterator_range
|
||||
</span><span class=special>{
|
||||
</span><span class=keyword>public</span><span class=special>: </span><span class=comment>// Forward Range types
|
||||
</span><span class=keyword>typedef </span><span class=special>... </span><span class=identifier>value_type</span><span class=special>;
|
||||
</span><span class=keyword>typedef </span><span class=special>... </span><span class=identifier>difference_type</span><span class=special>;
|
||||
</span><span class=keyword>typedef </span><span class=special>... </span><span class=identifier>size_type</span><span class=special>;
|
||||
</span><span class=keyword>typedef </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>iterator</span><span class=special>;
|
||||
</span><span class=keyword>typedef </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>const_iterator</span><span class=special>;
|
||||
|
||||
@ -117,10 +111,11 @@ class=identifier><a href="#equal">equal</a></span><span
|
||||
class=special>( </span><span class=keyword>const <span
|
||||
class=identifier>iterator_range</span><span class=special>& ) </span><span
|
||||
class=keyword>const;</span>
|
||||
<span class=identifier>value_type</span><span class=special>& </span><span class=identifier>front</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
|
||||
<span class=identifier>value_type</span><span class=special>& </span><span class=identifier>back</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
|
||||
<span class=identifier>reference</span><span class=identifier>front</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
|
||||
<span class=identifier>reference </span><span class=identifier>back</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
|
||||
<span class=comment>// for Random Access Range only: </span>
|
||||
<span class=identifier>value_type</span><span class=special>& </span><span class=keyword>operator</span><span class=special>[]( </span><span class=identifier>size_type </span><span class=identifier>at </span><span class=special>) </span><span class=keyword>const</span><span class=special>;</span>
|
||||
<span class=identifier>value_type</span>cial>& </span><span class=keyword>operator</span><span class=special>()( </span><span class=identifier>size_type </span><span class=identifier>at </span><span class=special>) </span><span class=keyword>const</span><span class=special>;</span>
|
||||
</span><span class=special>};
|
||||
|
||||
</span><span class=comment>// stream output
|
||||
|
||||
Reference in New Issue
Block a user