zig/libcxx/include/typeindex

104 lines
2.8 KiB
C++

// -*- C++ -*-
//===-------------------------- typeindex ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#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