mirror of
https://github.com/boostorg/range.git
synced 2026-04-20 00:28:45 +02:00
*** empty log message ***
[SVN r24430]
This commit is contained in:
@@ -29,7 +29,7 @@
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<li>
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||||
Class <a href=#iter_range><code>iterator_range</code></a>
|
||||
<li>
|
||||
Class <a href=#sub_range><code>sub_range</code></a>
|
||||
Class <a href=#sub_range><code>sub_range</code></a>
|
||||
</ul>
|
||||
</ul>
|
||||
|
||||
@@ -37,133 +37,157 @@
|
||||
Traversal Iterator</a> and should be used whenever fairly general code is needed.
|
||||
The <code>sub_range</code> class is templated on an <a href="range.htm#forward_range">Forward
|
||||
Range</a> and it is less general, but a bit easier to use since its template
|
||||
argument is easier to specify.
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||||
argument is easier to specify. The biggest difference is, however, that a
|
||||
<code>sub_range</code> can propagate constness because it knows what a
|
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corresponding <code>const_iterator</code> is. </p>
|
||||
|
||||
<p>
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||||
Both classes can be used as ranges since they implement the <a
|
||||
href="boost_range.html#minimal_interface">minimal interface</a>
|
||||
required for this to work automatically.
|
||||
</p>
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<hr>
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<a name=iter_range></a> <h1>Class <code>iterator_range</code></h1>
|
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<p>
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||||
<p>
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||||
The intention of the <code>iterator_range</code> class is to encapsulate two
|
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iterators so they fulfill the <a
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||||
href="range.htm#forward_range">Forward Range</a> concept. A few other functions
|
||||
are also provided for convenience.
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||||
</p>
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||||
<p>
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||||
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 Pass Iterators.
|
||||
</p>
|
||||
href="range.htm#forward_range">Forward Range</a> concept. A few other functions
|
||||
are also provided for convenience.
|
||||
</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
|
||||
Pass Iterators.
|
||||
</p>
|
||||
|
||||
<h3>Synopsis</h3>
|
||||
|
||||
<pre>
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||||
namespace boost
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{
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template< class ForwardTraversalIterator >
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||||
class iterator_range
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{
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iterator_range(); // not implemented
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||||
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public: // Forward Range types
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typedef ... value_type;
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||||
typedef ... difference_type;
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typedef ... size_type;
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typedef ForwardTraversalIterator iterator;
|
||||
typedef ForwardTraversalIterator const_iterator;
|
||||
<span class=keyword>namespace </span><span class=identifier>boost</span>
|
||||
<span class=special>{
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator </span><span class=special>>
|
||||
</span><span class=keyword>class </span><span class=identifier>iterator_range
|
||||
</span><span class=special>{
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||||
</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>;
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||||
</span><span class=keyword>typedef </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>iterator</span><span class=special>;
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||||
</span><span class=keyword>typedef </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>const_iterator</span><span class=special>;
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||||
|
||||
public: // construction, assignment
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||||
template< class ForwardTraversalIterator2 >
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iterator_range( ForwardTraversalIterator2 Begin, ForwardTraversalIterator2 End );
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||||
</span><span class=keyword>public</span><span class=special>: </span><span class=comment>// construction, assignment
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator2 </span><span class=special>>
|
||||
</span><span class=identifier>iterator_range</span><span class=special>( </span><span class=identifier>ForwardTraversalIterator2 </span><span class=identifier>Begin</span><span class=special>, </span><span class=identifier>ForwardTraversalIterator2 </span><span class=identifier>End </span><span class=special>);
|
||||
|
||||
template< class ForwardRange >
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||||
iterator_range( ForwardRange& r );
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||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange </span><span class=special>>
|
||||
</span><span class=identifier>iterator_range</span><span class=special>( </span><span class=identifier>ForwardRange</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
template< class ForwardRange >
|
||||
iterator_range( const ForwardRange& r );
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange </span><span class=special>>
|
||||
</span><span class=identifier>iterator_range</span><span class=special>( </span><span class=keyword>const </span><span class=identifier>ForwardRange</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
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||||
|
||||
template< class ForwardRange >
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||||
iterator_range& operator=( ForwardRange& r );
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||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange </span><span class=special>>
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||||
</span><span class=identifier>iterator_range</span><span class=special>& </span><span class=keyword>operator</span><span class=special>=( </span><span class=identifier>ForwardRange</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
template< class ForwardRange >
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||||
iterator_range& operator=( const ForwardRange& r );
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||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange </span><span class=special>>
|
||||
</span><span class=identifier>iterator_range</span><span class=special>& </span><span class=keyword>operator</span><span class=special>=( </span><span class=keyword>const </span><span class=identifier>ForwardRange</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
public: // Forward Range functions
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||||
iterator begin() const;
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||||
iterator end() const;
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||||
size_type size() const;
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||||
bool empty() const;
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||||
</span><span class=keyword>public</span><span class=special>: </span><span class=comment>// Forward Range functions
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||||
</span><span class=identifier>iterator </span><span class=identifier>begin</span><span class=special>() </span><span class=keyword>const</span><span class=special>;
|
||||
</span><span class=identifier>iterator </span><span class=identifier>end</span><span class=special>() </span><span class=keyword>const</span><span class=special>;
|
||||
</span><span class=identifier>size_type </span><span class=identifier>size</span><span class=special>() </span><span class=keyword>const</span><span class=special>;
|
||||
</span><span class=keyword>bool </span><span class=identifier>empty</span><span class=special>() </span><span class=keyword>const</span><span class=special>;
|
||||
|
||||
public: // convenience
|
||||
operator unspecified_bool_type() const;
|
||||
};
|
||||
</span><span class=keyword>public</span><span class=special>: </span><span class=comment>// convenience
|
||||
</span><span class=keyword>operator </span><a
|
||||
href="#unspecified_bool"><span class=identifier>unspecified_bool_type</span></a><span class=special>() </span><span class=keyword>const</span><span class=special>;
|
||||
</span><span class=special>};
|
||||
|
||||
// stream output
|
||||
template< class ForwardTraversalIterator, class T, class Traits >
|
||||
std::basic_ostream<T,Traits>& operator<<( std::basic_ostream<T,Traits>& Os,
|
||||
const iterator_range<ForwardTraversalIterator>& r );
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||||
</span><span class=comment>// stream output
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||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator</span><span class=special>, </span><span class=keyword>class </span><span class=identifier>T</span><span class=special>, </span><span class=keyword>class </span><span class=identifier>Traits </span><span class=special>>
|
||||
</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>basic_ostream</span><span class=special><</span><span class=identifier>T</span><span class=special>,</span><span class=identifier>Traits</span><span class=special>>&
|
||||
</span><span class=keyword>operator</span><span class=special><<( </span><span class=identifier>std</span><span class=special>::</span><span class=identifier>basic_ostream</span><span class=special><</span><span class=identifier>T</span><span class=special>,</span><span class=identifier>Traits</span><span class=special>>& </span><span class=identifier>Os</span><span class=special>,
|
||||
</span><span class=keyword>const </span><span class=identifier>iterator_range</span><span class=special><</span><span class=identifier>ForwardTraversalIterator</span><span class=special>>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
// comparison
|
||||
template< class ForwardTraversalIterator >
|
||||
bool operator==( const iterator_range<ForwardTraversalIterator>& l, const iterator_range<ForwardTraversalIterator>& r );
|
||||
</span><span class=comment>// comparison
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator</span><span class=special>, </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator2 </span><span class=special>>
|
||||
</span><span class=keyword>bool </span><span class=keyword>operator</span><span class=special>==( </span><span class=keyword>const </span><span class=identifier>iterator_range</span><span class=special><</span><span class=identifier>ForwardTraversalIterator</span><span class=special>>& </span><span class=identifier>l</span><span class=special>,
|
||||
</span><span class=keyword>const </span><span class=identifier>iterator_range</span><span class=special><</span><span class=identifier>ForwardTraversalIterator2</span><span class=special>>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
template< class ForwardTraversalIterator >
|
||||
bool operator!=( const iterator_range<ForwardTraversalIterator>& l, const iterator_range<ForwardTraversalIterator>& r );
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator</span><span class=special>, </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator2 </span><span class=special>>
|
||||
</span><span class=keyword>bool </span><span class=keyword>operator</span><span class=special>!=( </span><span class=keyword>const </span><span class=identifier>iterator_range</span><span class=special><</span><span class=identifier>ForwardTraversalIterator</span><span class=special>>& </span><span class=identifier>l</span><span class=special>,
|
||||
</span><span class=keyword>const </span><span class=identifier>iterator_range</span><span class=special><</span><span class=identifier>ForwardTraversalIterator2</span><span class=special>>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
// external construction
|
||||
template< class ForwardTraversalIterator >
|
||||
iterator_range< ForwardTraversalIterator >
|
||||
make_iterator_range( ForwardTraversalIterator Begin, ForwardTraversalIterator End );
|
||||
</span><span class=comment>// external construction
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator </span><span class=special>>
|
||||
</span><span class=identifier>iterator_range</span><span class=special>< </span><span class=identifier>ForwardTraversalIterator </span><span class=special>>
|
||||
</span><span class=identifier>make_iterator_range</span><span class=special>( </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>Begin</span><span class=special>,
|
||||
</span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>End </span><span class=special>);
|
||||
|
||||
template< class ForwardRange >
|
||||
iterator_range< typename iterator_of<ForwardRange>::type >
|
||||
make_iterator_range( ForwardRange& r );
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange </span><span class=special>>
|
||||
</span><span class=identifier>iterator_range</span><span class=special>< </span><span class=keyword>typename </span><span class=identifier>iterator_of</span><span class=special><</span><span class=identifier>ForwardRange</span><span class=special>>::</span><span class=identifier>type </span><span class=special>>
|
||||
</span><span class=identifier>make_iterator_range</span><span class=special>( </span><span class=identifier>ForwardRange</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
template< class ForwardRange >
|
||||
iterator_range< typename const_iterator_of<ForwardRange>::type >
|
||||
make_iterator_range( const ForwardRange& r );
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange </span><span class=special>>
|
||||
</span><span class=identifier>iterator_range</span><span class=special>< </span><span class=keyword>typename </span><span class=identifier>const_iterator_of</span><span class=special><</span><span class=identifier>ForwardRange</span><span class=special>>::</span><span class=identifier>type </span><span class=special>>
|
||||
</span><span class=identifier>make_iterator_range</span><span class=special>( </span><span class=keyword>const </span><span class=identifier>ForwardRange</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
// convenience
|
||||
template< class Sequence, class ForwardRange >
|
||||
Sequence copy_range( const ForwardRange& r );
|
||||
</span><span class=comment>// convenience
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>Sequence</span><span class=special>, </span><span class=keyword>class </span><span class=identifier>ForwardRange </span><span class=special>>
|
||||
</span><span class=identifier>Sequence </span><a href="#copy_range"><span
|
||||
class=identifier>copy_range</span></a><span class=special>( </span><span
|
||||
class=keyword>const </span><span class=identifier>ForwardRange</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
template< class Sequence, class ForwardRange, class Func >
|
||||
Sequence transform_range( const ForwardRange& r, Func func );
|
||||
|
||||
} // namespace 'boost'
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>Sequence</span><span class=special>, </span><span class=keyword>class </span><span class=identifier>ForwardRange</span><span class=special>, </span><span class=keyword>class </span><span class=identifier>Func </span><span class=special>>
|
||||
</span><span class=identifier>Sequence </span><a
|
||||
href="#transform_range"><span
|
||||
class=identifier>transform_range</span></a><span class=special>( </span><span
|
||||
class=keyword>const </span><span class=identifier>ForwardRange</span><span class=special>& </span><span class=identifier>r</span><span class=special>, </span><span class=identifier>Func </span><span class=identifier>func </span><span class=special>);
|
||||
</span>
|
||||
<span class=special>} </span><span class=comment>// namespace 'boost'</span>
|
||||
</pre>
|
||||
|
||||
<p>
|
||||
It is worth noticing that the templated constructors and assignment operators
|
||||
allow conversion from <code>iterator_range<iterator></code> to
|
||||
<code>iterator_range<const_iterator></code>. If an instance of
|
||||
If an instance of
|
||||
<code>iterator_range</code> is constructed by a client with two iterators, the
|
||||
client must ensure that the two iterators delimit a valid closed-open range
|
||||
<code>[begin,end)</code>.
|
||||
</p>
|
||||
|
||||
<p>
|
||||
It is worth noticing that the templated constructors and assignment operators
|
||||
allow conversion from <code>iterator_range<iterator></code> to
|
||||
<code>iterator_range<const_iterator></code>. Similarly, since the comparison
|
||||
operators have two template arguments, we can compare ranges whenever the
|
||||
iterators are comparable; for example when we are dealing with const and
|
||||
non-const iterators from the same container. </p>
|
||||
|
||||
<h3>Details member functions</h3>
|
||||
|
||||
<code>operator unspecified_bool_type() const; </code>
|
||||
<a name="unspecified_bool"></a>
|
||||
<code>operator unspecified_bool_type() const; </code>
|
||||
<blockquote>
|
||||
Returns <code>!empty().</code>
|
||||
Returns <code>!empty().</code>
|
||||
|
||||
<!--
|
||||
<b>Example</b> <code> iterator_range<const char*> r( "a string" ); if( r )
|
||||
do_something();</code>-->
|
||||
|
||||
<!--
|
||||
<b>Example</b> <code> iterator_range<const char*> r( "a string" ); if( r )
|
||||
do_something();</code>-->
|
||||
</blockquote>
|
||||
|
||||
<h3>Details functions</h3>
|
||||
|
||||
<a name="copy_range"></a>
|
||||
<code>Sequence copy_range( const ForwardRange& r );</code>
|
||||
<blockquote>
|
||||
Constructs a new sequence of the specified type from the elements
|
||||
in the given range.
|
||||
</blockquote>
|
||||
|
||||
<a name="transform_range"></a>
|
||||
<code>Sequence transform_range( const ForwardRange& r, Func func );</code>
|
||||
<blockquote>
|
||||
Constructs a new sequence from the elements in the range,
|
||||
Constructs a new sequence from the elements in the range,
|
||||
transformed by a function.
|
||||
|
||||
</blockquote>
|
||||
@@ -175,48 +199,67 @@ The <code>sub_range</code> class inherits all its functionality
|
||||
from the <a href="#iter_range"><code>iterator_range</code></a> class.
|
||||
The <code>sub_range</code> class is often easier to use because
|
||||
one must specify the <a href="range.html#forward_range">Forward Range</a>
|
||||
template argument instead of an iterator.
|
||||
|
||||
template argument instead of an iterator. Moreover, the <code>sub_range</code>
|
||||
class can propagate constness since it knows what a corresponding
|
||||
<code>const_iterator</code> is.
|
||||
|
||||
<h3>Synopsis</h3>
|
||||
|
||||
<pre>
|
||||
namespace boost
|
||||
{
|
||||
<span class=keyword>namespace </span><span class=identifier>boost</span>
|
||||
<span class=special>{
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange </span><span class=special>>
|
||||
</span><span class=keyword>class </span><span class=identifier>sub_range </span><span class=special>: </span><span class=keyword>public </span><span class=identifier>iterator_range</span><span class=special>< </span><span class=keyword>typename </span><span class=identifier>result_iterator_of</span><span class=special><</span><span class=identifier>ForwardRange</span><span class=special>>::</span><span class=identifier>type </span><span class=special>>
|
||||
</span><span class=special>{
|
||||
</span><span class=keyword>public</span><span class=special>: </span>
|
||||
<span class=keyword>typedef </span><span class=keyword>typename </span><span class=identifier>iterator_of</span><span class=special><</span><span class=identifier>ForwardRange</span><span
|
||||
class=special>>::</span><span class=identifier>type </span><span class=identifier>iterator</span><span class=special>;</span>
|
||||
<span class=keyword>typedef </span><span class=keyword>typename </span><span class=identifier>const_iterator_of</span><span class=special><</span><span class=identifier>ForwardRange</span><span class=special>>::</span><span class=identifier>type </span><span class=identifier>const_iterator</span><span class=special>;</span>
|
||||
|
||||
template< class ForwardRange >
|
||||
class sub_range : public iterator_range< typename result_iterator_of<ForwardRange>::type >
|
||||
{
|
||||
public: // construction, assignment
|
||||
template< class ForwardTraversalIterator >
|
||||
sub_range( ForwardTraversalIterator Begin, ForwardTraversalIterator End );
|
||||
<span class=keyword>public</span><span class=special>: </span><span class=comment>// construction, assignment
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardTraversalIterator </span><span class=special>>
|
||||
</span><span class=identifier>sub_range</span><span class=special>( </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>Begin</span><span class=special>, </span><span class=identifier>ForwardTraversalIterator </span><span class=identifier>End </span><span class=special>);
|
||||
|
||||
template< class ForwardRange2 >
|
||||
sub_range( ForwardRange2& r );
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange2 </span><span class=special>>
|
||||
</span><span class=identifier>sub_range</span><span class=special>( </span><span class=identifier>ForwardRange2</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
template< class ForwardRange2 >
|
||||
sub_range( const Range2& r );
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange2 </span><span class=special>>
|
||||
</span><span class=identifier>sub_range</span><span class=special>( </span><span class=keyword>const </span><span class=identifier>Range2</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
template< class ForwardRange2 >
|
||||
sub_range& operator=( ForwardRange2& r );
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange2 </span><span class=special>>
|
||||
</span><span class=identifier>sub_range</span><span class=special>& </span><span class=keyword>operator</span><span class=special>=( </span><span class=identifier>ForwardRange2</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
|
||||
template< class ForwardRange2 >
|
||||
sub_range& operator=( const ForwardRange2& r );
|
||||
</span><span class=keyword>template</span><span class=special>< </span><span class=keyword>class </span><span class=identifier>ForwardRange2 </span><span class=special>>
|
||||
</span><span class=identifier>sub_range</span><span class=special>& </span><span class=keyword>operator</span><span class=special>=( </span><span class=keyword>const </span><span class=identifier>ForwardRange2</span><span class=special>& </span><span class=identifier>r </span><span class=special>);
|
||||
</span>
|
||||
<span class=keyword>public</span><span class=special>:
|
||||
</span><span class=identifier>iterator </span><span
|
||||
class=identifier>begin</span><span class=special>();
|
||||
</span><span class=identifier>const_iterator </span><span class=identifier>begin</span><span class=special>() </span><span class=keyword>const</span><span class=special>;
|
||||
</span><span class=identifier>iterator </span><span class=identifier>end</span><span class=special>();
|
||||
</span><span class=identifier>const_iterator </span><span class=identifier>end</span><span class=special>() </span><span class=keyword>const</span><span class=special>;</span>
|
||||
|
||||
public:
|
||||
// rest of interface inherited from iterator_range
|
||||
};
|
||||
|
||||
} // namespace 'boost'
|
||||
</pre>
|
||||
<span class=keyword>public</span><span class=special>:
|
||||
</span><span class=comment>// rest of interface inherited from iterator_range
|
||||
</span><span class=special>};
|
||||
</span>
|
||||
<span class=special>} </span><span class=comment>// namespace 'boost'</span>
|
||||
</pre>
|
||||
|
||||
<p>
|
||||
The class should be trivial to use, an example with strings is shown below.
|
||||
The class should be trivial to use as seen below.
|
||||
Imagine that we have an algorithm that searches for a sub-string in a string.
|
||||
The
|
||||
result is an <code>iterator_range</code>, that delimits the match. We need to
|
||||
store the result
|
||||
from this algorithm. Here is an example of how we can do it with and without
|
||||
<code>sub_range</code>
|
||||
<pre>
|
||||
typedef sub_range<std::string> sub_string;
|
||||
std::string s = "something";
|
||||
sub_string ss( s );
|
||||
sub_string ss2( begin( s ), begin( s ) + 2 );</pre>
|
||||
|
||||
<span class=identifier>std</span><span class=special>::</span><span class=identifier>string </span><span class=identifier>str</span><span class=special>(</span><span class=string>"hello"</span><span class=special>);
|
||||
</span><span class=identifier>iterator_range</span><span class=special><</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>string</span><span class=special>::</span><span class=identifier>iterator</span><span class=special>> </span><span class=identifier>ir </span><span class=special>= </span><span class=identifier>find_first</span><span class=special>( </span><span class=identifier>str</span><span class=special>, </span><span class=string>"ll" </span><span class=special>);
|
||||
</span><span class=identifier>sub_range</span><span class=special><</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>string</span><span class=special>> </span><span class=identifier>sub </span><span class=special>= </span><span class=identifier>find_first</span><span class=special>( </span><span class=identifier>str</span><span class=special>, </span><span class=string>"ll" </span><span class=special>);</span>
|
||||
</pre>
|
||||
</p>
|
||||
|
||||
<hr>
|
||||
<p>
|
||||
@@ -236,6 +279,7 @@ namespace boost
|
||||
<br>
|
||||
<br>
|
||||
|
||||
|
||||
</body>
|
||||
</html>
|
||||
|
||||
|
||||
Reference in New Issue
Block a user