forked from boostorg/range
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
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// Boost.Range library
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//
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// Copyright Thorsten Ottosen, Neil Groves 2006 - 2008. 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_ADAPTOR_COPIED_HPP
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#define BOOST_RANGE_ADAPTOR_COPIED_HPP
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#include <boost/range/adaptor/argument_fwd.hpp>
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#include <boost/range/adaptor/sliced.hpp>
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#include <boost/range/size_type.hpp>
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#include <boost/range/iterator_range.hpp>
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namespace boost
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{
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namespace range_detail
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{
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template< class T >
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struct copy_holder
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: holder2<std::size_t>
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{
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copy_holder( std::size_t t, std::size_t u )
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: holder2<std::size_t>(t,u)
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{ }
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};
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template< class CopyableRandomAccessRng, class Int >
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inline CopyableRandomAccessRng
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operator|( const CopyableRandomAccessRng& r, const copy_holder<Int>& f )
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{
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iterator_range<
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BOOST_DEDUCED_TYPENAME range_iterator<const
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CopyableRandomAccessRng>::type >
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temp( sliced_impl( r, f ) );
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return CopyableRandomAccessRng( temp.begin(), temp.end() );
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}
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} // 'range_detail'
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namespace adaptors
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{
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namespace
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{
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const range_detail::forwarder2<range_detail::copy_holder>
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copied = range_detail::forwarder2<range_detail::copy_holder>();
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}
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template<class CopyableRandomAccessRange>
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inline CopyableRandomAccessRange
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copy(const CopyableRandomAccessRange& rng, std::size_t t, std::size_t u)
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{
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iterator_range<
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BOOST_DEDUCED_TYPENAME range_iterator<const
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CopyableRandomAccessRange>::type> temp(
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adaptors::slice(rng, t, u));
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return CopyableRandomAccessRange( temp.begin(), temp.end() );
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}
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} // 'adaptors'
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}
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#endif
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