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Edit File: distance.hpp

// Boost.Range library // // Copyright Thorsten Ottosen 2003-2006. Use, modification and // distribution is subject to the Boost Software License, Version // 1.0. (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // // For more information, see http://www.boost.org/libs/range/ // #ifndef BOOST_RANGE_DISTANCE_HPP #define BOOST_RANGE_DISTANCE_HPP #if defined(_MSC_VER) # pragma once #endif #include <boost/iterator/distance.hpp> #include <boost/range/begin.hpp> #include <boost/range/end.hpp> #include <boost/range/difference_type.hpp> namespace boost { namespace range_distance_adl_barrier { template< class T > inline BOOST_CXX14_CONSTEXPR BOOST_DEDUCED_TYPENAME range_difference<T>::type distance( const T& r ) { return boost::iterators::distance( boost::begin( r ), boost::end( r ) ); } } using namespace range_distance_adl_barrier; } // namespace 'boost' #endif