diff options
Diffstat (limited to 'boost/functional/hash/hash.hpp')
| -rw-r--r-- | boost/functional/hash/hash.hpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/boost/functional/hash/hash.hpp b/boost/functional/hash/hash.hpp index 5bba40892d..76c4897ebe 100644 --- a/boost/functional/hash/hash.hpp +++ b/boost/functional/hash/hash.hpp @@ -62,6 +62,18 @@ namespace boost { namespace hash_detail { +#if defined(_HAS_AUTO_PTR_ETC) && !_HAS_AUTO_PTR_ETC + template <typename T> + struct hash_base + { + typedef T argument_type; + typedef std::size_t result_type; + }; +#else + template <typename T> + struct hash_base : std::unary_function<T, std::size_t> {}; +#endif + struct enable_hash_value { typedef std::size_t type; }; template <typename T> struct basic_numbers {}; @@ -419,7 +431,7 @@ namespace boost #define BOOST_HASH_SPECIALIZE(type) \ template <> struct hash<type> \ - : public std::unary_function<type, std::size_t> \ + : public boost::hash_detail::hash_base<type> \ { \ std::size_t operator()(type v) const \ { \ @@ -429,7 +441,7 @@ namespace boost #define BOOST_HASH_SPECIALIZE_REF(type) \ template <> struct hash<type> \ - : public std::unary_function<type, std::size_t> \ + : public boost::hash_detail::hash_base<type> \ { \ std::size_t operator()(type const& v) const \ { \ @@ -483,7 +495,7 @@ namespace boost template <class T> struct hash<T*> - : public std::unary_function<T*, std::size_t> + : public boost::hash_detail::hash_base<T*> { std::size_t operator()(T* v) const { @@ -516,7 +528,7 @@ namespace boost { template <class T> struct inner - : public std::unary_function<T, std::size_t> + : public boost::hash_detail::hash_base<T> { std::size_t operator()(T val) const { |