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Merge pull request #75 from morinmorin/add_adl_barrier_to_distance

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Add ADL guard namespace for boost::distance(rng)
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Peter Dimov
2018-09-23 20:08:55 +03:00
committed by GitHub
parent 70d1727ed3 9192996a93
commit 357bf3b980
1 changed files with 9 additions and 4 deletions
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7
include/boost/range/distance.hpp
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@ -23,12 +23,17 @@
namespace boost namespace boost
{ {
namespace range_distance_adl_barrier
{
template< class T > template< class T >
inline BOOST_CXX14_CONSTEXPR BOOST_DEDUCED_TYPENAME range_difference<T>::type inline BOOST_CXX14_CONSTEXPR BOOST_DEDUCED_TYPENAME range_difference<T>::type
distance( const T& r ) distance( const T& r )
{ {
return boost::distance( boost::begin( r ), boost::end( r ) ); return boost::iterators::distance( boost::begin( r ), boost::end( r ) );
} }
}
using namespace range_distance_adl_barrier;
} // namespace 'boost' } // namespace 'boost'