forked from OSchip/llvm-project
111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_TYPEINDEX
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#define _LIBCPP_TYPEINDEX
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/*
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typeindex synopsis
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namespace std
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{
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class type_index
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{
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public:
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type_index(const type_info& rhs) noexcept;
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bool operator==(const type_index& rhs) const noexcept;
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bool operator!=(const type_index& rhs) const noexcept;
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bool operator< (const type_index& rhs) const noexcept;
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bool operator<=(const type_index& rhs) const noexcept;
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bool operator> (const type_index& rhs) const noexcept;
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bool operator>=(const type_index& rhs) const noexcept;
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size_t hash_code() const noexcept;
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const char* name() const noexcept;
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};
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template <>
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struct hash<type_index>
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: public unary_function<type_index, size_t>
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{
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size_t operator()(type_index index) const noexcept;
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};
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} // std
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*/
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#include <__assert> // all public C++ headers provide the assertion handler
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#include <__config>
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#include <__functional/unary_function.h>
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#include <compare>
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#include <typeinfo>
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#include <version>
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// TODO: remove these headers
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#include <__memory/allocator_arg_t.h>
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#include <__memory/uses_allocator.h>
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#include <new>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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class _LIBCPP_TEMPLATE_VIS type_index
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{
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const type_info* __t_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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type_index(const type_info& __y) _NOEXCEPT : __t_(&__y) {}
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_LIBCPP_INLINE_VISIBILITY
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bool operator==(const type_index& __y) const _NOEXCEPT
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{return *__t_ == *__y.__t_;}
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_LIBCPP_INLINE_VISIBILITY
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bool operator!=(const type_index& __y) const _NOEXCEPT
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{return *__t_ != *__y.__t_;}
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_LIBCPP_INLINE_VISIBILITY
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bool operator< (const type_index& __y) const _NOEXCEPT
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{return __t_->before(*__y.__t_);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator<=(const type_index& __y) const _NOEXCEPT
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{return !__y.__t_->before(*__t_);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator> (const type_index& __y) const _NOEXCEPT
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{return __y.__t_->before(*__t_);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator>=(const type_index& __y) const _NOEXCEPT
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{return !__t_->before(*__y.__t_);}
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_LIBCPP_INLINE_VISIBILITY
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size_t hash_code() const _NOEXCEPT {return __t_->hash_code();}
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_LIBCPP_INLINE_VISIBILITY
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const char* name() const _NOEXCEPT {return __t_->name();}
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};
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template <class _Tp> struct _LIBCPP_TEMPLATE_VIS hash;
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template <>
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struct _LIBCPP_TEMPLATE_VIS hash<type_index>
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: public unary_function<type_index, size_t>
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{
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_LIBCPP_INLINE_VISIBILITY
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size_t operator()(type_index __index) const _NOEXCEPT
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{return __index.hash_code();}
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};
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_TYPEINDEX
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