// -*- C++ -*- //===------------------------- hash_set ------------------------------------===// // // 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 <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