forked from boostorg/range
81 lines
2.6 KiB
C++
Executable File
81 lines
2.6 KiB
C++
Executable File
// Boost.Range library
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//
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// Copyright Thorsten Ottosen 2003-2004. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_SUB_RANGE_HPP
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#define BOOST_RANGE_SUB_RANGE_HPP
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#include <boost/range/config.hpp>
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#include <boost/range/iterator_range.hpp>
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#include <boost/range/value_type.hpp>
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#include <boost/range/result_iterator.hpp>
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#include <boost/range/size_type.hpp>
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#include <boost/range/difference_type.hpp>
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namespace boost
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{
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template< class ForwardRange >
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class sub_range : public iterator_range< BOOST_DEDUCED_TYPENAME range_result_iterator<ForwardRange>::type >
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{
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typedef BOOST_DEDUCED_TYPENAME range_result_iterator<ForwardRange>::type iterator_t;
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typedef iterator_range< iterator_t > base;
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public:
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typedef BOOST_DEDUCED_TYPENAME range_value<ForwardRange>::type value_type;
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typedef BOOST_DEDUCED_TYPENAME range_result_iterator<ForwardRange>::type iterator;
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typedef BOOST_DEDUCED_TYPENAME range_const_iterator<ForwardRange>::type const_iterator;
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typedef BOOST_DEDUCED_TYPENAME range_difference<ForwardRange>::type difference_type;
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typedef BOOST_DEDUCED_TYPENAME range_size<ForwardRange>::type size_type;
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public:
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sub_range() : base()
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{ }
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template< class ForwardRange2 >
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sub_range( ForwardRange2& r ) : base( r )
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{ }
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template< class ForwardRange2 >
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sub_range( const ForwardRange2& r ) : base( r )
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{ }
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template< class Iter >
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sub_range( Iter first, Iter last ) :
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base( first, last )
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{ }
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template< class ForwardRange2 >
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sub_range& operator=( ForwardRange2& r )
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{
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base::operator=( r );
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return *this;
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}
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template< class ForwardRange2 >
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sub_range& operator=( const ForwardRange2& r )
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{
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base::operator=( r );
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return *this;
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}
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public:
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iterator begin() { return base::begin(); }
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const_iterator begin() const { return base::begin(); }
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iterator end() { return base::end(); }
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const_iterator end() const { return base::end(); }
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size_type size() const { return base::size(); }
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};
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} // namespace 'boost'
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#endif
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