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Add hash_value (refs #110)

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Peter Dimov
2022-04-28 20:42:48 +03:00
parent d74140983d
commit 0011697492
1 changed files with 9 additions and 0 deletions
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9
include/boost/core/detail/string_view.hpp
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@ -38,8 +38,12 @@
namespace boost namespace boost
{ {
// forward declaration of boost::basic_string_view from Utility
template<class Ch, class Tr> class basic_string_view; template<class Ch, class Tr> class basic_string_view;
// forward declaration of boost::hash_range from ContainerHash
template<class It> std::size_t hash_range( It, It );
namespace core namespace core
{ {
namespace detail namespace detail
@ -1161,6 +1165,11 @@ public:
} }
#endif #endif
inline friend std::size_t hash_value( basic_string_view const& sv )
{
return boost::hash_range( sv.begin(), sv.end() );
}
}; };
// stream inserter // stream inserter