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- // -*- 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 <__config>
- #include <cstring>
- #include <stddef.h>
- #include <string>
- 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI 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_HIDE_FROM_ABI size_t operator()(unsigned long __c) const _NOEXCEPT { return __c; }
- };
- } // namespace __gnu_cxx
- #endif // _LIBCPP_EXT_HASH
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