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git-svn-id: svn://bind10.isc.org/svn/bind10/branches/f2f200910@231 e5f2f494-b856-4b98-b285-d166d9295462
37 lines
933 B
C++
37 lines
933 B
C++
// 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_SIZE_HPP
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#define BOOST_RANGE_SIZE_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/range/difference_type.hpp>
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#include <boost/assert.hpp>
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namespace boost
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{
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template< class T >
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inline BOOST_DEDUCED_TYPENAME range_difference<T>::type size( const T& r )
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{
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BOOST_ASSERT( (boost::end( r ) - boost::begin( r )) >= 0 &&
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"reachability invariant broken!" );
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return boost::end( r ) - boost::begin( r );
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}
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} // namespace 'boost'
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#endif
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