| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_EXT_HASH |
| #define _LIBCPP_EXT_HASH |
| |
| #pragma GCC system_header |
| |
| #include <__string> |
| #include <string> |
| #include <cstring> |
| |
| namespace __gnu_cxx { |
| |
| template <typename _Tp> struct _LIBCPP_TEMPLATE_VIS hash { }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<const char*> |
| : public std::unary_function<const char*, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const char *__c) const _NOEXCEPT |
| { |
| return std::__do_string_hash(__c, __c + strlen(__c)); |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<char *> |
| : public std::unary_function<char*, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(char *__c) const _NOEXCEPT |
| { |
| return std::__do_string_hash<const char *>(__c, __c + strlen(__c)); |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<char> |
| : public std::unary_function<char, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(char __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<signed char> |
| : public std::unary_function<signed char, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(signed char __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<unsigned char> |
| : public std::unary_function<unsigned char, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(unsigned char __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<short> |
| : public std::unary_function<short, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(short __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<unsigned short> |
| : public std::unary_function<unsigned short, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(unsigned short __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<int> |
| : public std::unary_function<int, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(int __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<unsigned int> |
| : public std::unary_function<unsigned int, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(unsigned int __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<long> |
| : public std::unary_function<long, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(long __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| |
| template <> struct _LIBCPP_TEMPLATE_VIS hash<unsigned long> |
| : public std::unary_function<unsigned long, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(unsigned long __c) const _NOEXCEPT |
| { |
| return __c; |
| } |
| }; |
| } |
| |
| #endif // _LIBCPP_EXT_HASH |