0,0 → 1,112 |
// C++11 <typeindex> -*- C++ -*- |
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// Copyright (C) 2010-2015 Free Software Foundation, Inc. |
// |
// This file is part of the GNU ISO C++ Library. This library is free |
// software; you can redistribute it and/or modify it under the |
// terms of the GNU General Public License as published by the |
// Free Software Foundation; either version 3, or (at your option) |
// any later version. |
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// This library is distributed in the hope that it will be useful, |
// but WITHOUT ANY WARRANTY; without even the implied warranty of |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
// GNU General Public License for more details. |
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// Under Section 7 of GPL version 3, you are granted additional |
// permissions described in the GCC Runtime Library Exception, version |
// 3.1, as published by the Free Software Foundation. |
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// You should have received a copy of the GNU General Public License and |
// a copy of the GCC Runtime Library Exception along with this program; |
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
// <http://www.gnu.org/licenses/>. |
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/** @file include/typeindex |
* This is a Standard C++ Library header. |
*/ |
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#ifndef _GLIBCXX_TYPEINDEX |
#define _GLIBCXX_TYPEINDEX 1 |
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#pragma GCC system_header |
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#if __cplusplus < 201103L |
# include <bits/c++0x_warning.h> |
#else |
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#include <typeinfo> |
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namespace std _GLIBCXX_VISIBILITY(default) |
{ |
_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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/** |
* @brief Class type_index |
* @ingroup utilities |
* |
* The class type_index provides a simple wrapper for type_info |
* which can be used as an index type in associative containers |
* (23.6) and in unordered associative containers (23.7). |
*/ |
struct type_index |
{ |
type_index(const type_info& __rhs) noexcept |
: _M_target(&__rhs) { } |
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bool |
operator==(const type_index& __rhs) const noexcept |
{ return *_M_target == *__rhs._M_target; } |
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bool |
operator!=(const type_index& __rhs) const noexcept |
{ return *_M_target != *__rhs._M_target; } |
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bool |
operator<(const type_index& __rhs) const noexcept |
{ return _M_target->before(*__rhs._M_target); } |
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bool |
operator<=(const type_index& __rhs) const noexcept |
{ return !__rhs._M_target->before(*_M_target); } |
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bool |
operator>(const type_index& __rhs) const noexcept |
{ return __rhs._M_target->before(*_M_target); } |
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bool |
operator>=(const type_index& __rhs) const noexcept |
{ return !_M_target->before(*__rhs._M_target); } |
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size_t |
hash_code() const noexcept |
{ return _M_target->hash_code(); } |
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const char* |
name() const noexcept |
{ return _M_target->name(); } |
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private: |
const type_info* _M_target; |
}; |
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template<typename _Tp> struct hash; |
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/// std::hash specialization for type_index. |
template<> |
struct hash<type_index> |
{ |
typedef size_t result_type; |
typedef type_index argument_type; |
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size_t |
operator()(const type_index& __ti) const noexcept |
{ return __ti.hash_code(); } |
}; |
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_GLIBCXX_END_NAMESPACE_VERSION |
} // namespace std |
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#endif // C++11 |
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#endif // _GLIBCXX_TYPEINDEX |