| // -*- C++ -*- |
| //===-------------------------- typeindex ---------------------------------===// |
| // |
| // 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_TYPEINDEX |
| #define _LIBCPP_TYPEINDEX |
| |
| /* |
| |
| typeindex synopsis |
| |
| namespace std |
| { |
| |
| class type_index |
| { |
| public: |
| type_index(const type_info& rhs) noexcept; |
| |
| bool operator==(const type_index& rhs) const noexcept; |
| bool operator!=(const type_index& rhs) const noexcept; |
| bool operator< (const type_index& rhs) const noexcept; |
| bool operator<=(const type_index& rhs) const noexcept; |
| bool operator> (const type_index& rhs) const noexcept; |
| bool operator>=(const type_index& rhs) const noexcept; |
| |
| size_t hash_code() const noexcept; |
| const char* name() const noexcept; |
| }; |
| |
| template <> |
| struct hash<type_index> |
| : public unary_function<type_index, size_t> |
| { |
| size_t operator()(type_index index) const noexcept; |
| }; |
| |
| } // std |
| |
| */ |
| |
| #include <__config> |
| #include <typeinfo> |
| #include <__functional_base> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| class _LIBCPP_TEMPLATE_VIS type_index |
| { |
| const type_info* __t_; |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| type_index(const type_info& __y) _NOEXCEPT : __t_(&__y) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator==(const type_index& __y) const _NOEXCEPT |
| {return *__t_ == *__y.__t_;} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(const type_index& __y) const _NOEXCEPT |
| {return *__t_ != *__y.__t_;} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator< (const type_index& __y) const _NOEXCEPT |
| {return __t_->before(*__y.__t_);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator<=(const type_index& __y) const _NOEXCEPT |
| {return !__y.__t_->before(*__t_);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator> (const type_index& __y) const _NOEXCEPT |
| {return __y.__t_->before(*__t_);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator>=(const type_index& __y) const _NOEXCEPT |
| {return !__t_->before(*__y.__t_);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| size_t hash_code() const _NOEXCEPT {return __t_->hash_code();} |
| _LIBCPP_INLINE_VISIBILITY |
| const char* name() const _NOEXCEPT {return __t_->name();} |
| }; |
| |
| template <class _Tp> struct _LIBCPP_TEMPLATE_VIS hash; |
| |
| template <> |
| struct _LIBCPP_TEMPLATE_VIS hash<type_index> |
| : public unary_function<type_index, size_t> |
| { |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(type_index __index) const _NOEXCEPT |
| {return __index.hash_code();} |
| }; |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP_TYPEINDEX |