diff options
Diffstat (limited to 'libcxx/include/functional')
| -rw-r--r-- | libcxx/include/functional | 242 |
1 files changed, 1 insertions, 241 deletions
diff --git a/libcxx/include/functional b/libcxx/include/functional index 4f8ec65e090..2a810b1a0f2 100644 --- a/libcxx/include/functional +++ b/libcxx/include/functional @@ -485,6 +485,7 @@ POLICY: For non-variadic implementations, the number of arguments is limited #include <exception> #include <memory> #include <tuple> +#include <utility> #include <__functional_base> @@ -2339,247 +2340,6 @@ bind(_Fp&& __f, _BoundArgs&&... __bound_args) #endif // _LIBCPP_HAS_NO_VARIADICS -template <> -struct _LIBCPP_TEMPLATE_VIS hash<bool> - : public unary_function<bool, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(bool __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<char> - : public unary_function<char, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(char __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<signed char> - : public unary_function<signed char, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(signed char __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<unsigned char> - : public unary_function<unsigned char, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(unsigned char __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<char16_t> - : public unary_function<char16_t, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(char16_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<char32_t> - : public unary_function<char32_t, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(char32_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -#endif // _LIBCPP_HAS_NO_UNICODE_CHARS - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<wchar_t> - : public unary_function<wchar_t, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(wchar_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<short> - : public unary_function<short, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(short __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<unsigned short> - : public unary_function<unsigned short, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(unsigned short __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<int> - : public unary_function<int, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(int __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<unsigned int> - : public unary_function<unsigned int, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(unsigned int __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<long> - : public unary_function<long, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(long __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<unsigned long> - : public unary_function<unsigned long, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(unsigned long __v) const _NOEXCEPT {return static_cast<size_t>(__v);} -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<long long> - : public __scalar_hash<long long> -{ -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<unsigned long long> - : public __scalar_hash<unsigned long long> -{ -}; - -#ifndef _LIBCPP_HAS_NO_INT128 - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<__int128_t> - : public __scalar_hash<__int128_t> -{ -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<__uint128_t> - : public __scalar_hash<__uint128_t> -{ -}; - -#endif - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<float> - : public __scalar_hash<float> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(float __v) const _NOEXCEPT - { - // -0.0 and 0.0 should return same hash - if (__v == 0) - return 0; - return __scalar_hash<float>::operator()(__v); - } -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<double> - : public __scalar_hash<double> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(double __v) const _NOEXCEPT - { - // -0.0 and 0.0 should return same hash - if (__v == 0) - return 0; - return __scalar_hash<double>::operator()(__v); - } -}; - -template <> -struct _LIBCPP_TEMPLATE_VIS hash<long double> - : public __scalar_hash<long double> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(long double __v) const _NOEXCEPT - { - // -0.0 and 0.0 should return same hash - if (__v == 0) - return 0; -#if defined(__i386__) - // Zero out padding bits - union - { - long double __t; - struct - { - size_t __a; - size_t __b; - size_t __c; - size_t __d; - } __s; - } __u; - __u.__s.__a = 0; - __u.__s.__b = 0; - __u.__s.__c = 0; - __u.__s.__d = 0; - __u.__t = __v; - return __u.__s.__a ^ __u.__s.__b ^ __u.__s.__c ^ __u.__s.__d; -#elif defined(__x86_64__) - // Zero out padding bits - union - { - long double __t; - struct - { - size_t __a; - size_t __b; - } __s; - } __u; - __u.__s.__a = 0; - __u.__s.__b = 0; - __u.__t = __v; - return __u.__s.__a ^ __u.__s.__b; -#else - return __scalar_hash<long double>::operator()(__v); -#endif - } -}; - -#if _LIBCPP_STD_VER > 11 - -template <class _Tp, bool = is_enum<_Tp>::value> -struct _LIBCPP_TEMPLATE_VIS __enum_hash - : public unary_function<_Tp, size_t> -{ - _LIBCPP_INLINE_VISIBILITY - size_t operator()(_Tp __v) const _NOEXCEPT - { - typedef typename underlying_type<_Tp>::type type; - return hash<type>{}(static_cast<type>(__v)); - } -}; -template <class _Tp> -struct _LIBCPP_TEMPLATE_VIS __enum_hash<_Tp, false> { - __enum_hash() = delete; - __enum_hash(__enum_hash const&) = delete; - __enum_hash& operator=(__enum_hash const&) = delete; -}; - -template <class _Tp> -struct _LIBCPP_TEMPLATE_VIS hash : public __enum_hash<_Tp> -{ -}; -#endif - - #if _LIBCPP_STD_VER > 14 #define __cpp_lib_invoke 201411 |
