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// -*- C++ -*- |
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// Copyright (C) 2005-2015 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the terms |
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// of the GNU General Public License as published by the Free Software |
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// Foundation; either version 3, or (at your option) any later |
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// version. |
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// This library is distributed in the hope that it will be useful, but |
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// WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// General Public License for more details. |
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 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 |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// . |
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. |
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// Permission to use, copy, modify, sell, and distribute this software |
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// is hereby granted without fee, provided that the above copyright |
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// notice appears in all copies, and that both that copyright notice |
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// and this permission notice appear in supporting documentation. None |
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// of the above authors, nor IBM Haifa Research Laboratories, make any |
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// representation about the suitability of this software for any |
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// purpose. It is provided "as is" without express or implied |
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// warranty. |
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/** |
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* @file detail/type_utils.hpp |
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* Contains utilities for handnling types. All of these classes are based on |
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* Modern C++ by Andrei Alxandrescu. |
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*/ |
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#ifndef PB_DS_TYPE_UTILS_HPP |
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#define PB_DS_TYPE_UTILS_HPP |
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#include |
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#include |
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#include |
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#include |
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#include |
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namespace __gnu_pbds |
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{ |
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namespace detail |
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{ |
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using std::tr1::is_same; |
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using std::tr1::is_const; |
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using std::tr1::is_pointer; |
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using std::tr1::is_reference; |
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using std::tr1::is_fundamental; |
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using std::tr1::is_member_object_pointer; |
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using std::tr1::is_member_pointer; |
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using std::tr1::is_base_of; |
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using std::tr1::remove_const; |
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using std::tr1::remove_reference; |
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// Need integral_const <-> integral_const, so |
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// because of this use the following typedefs instead of importing |
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// std::tr1's. |
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using std::tr1::integral_constant; |
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typedef std::tr1::integral_constant true_type; |
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typedef std::tr1::integral_constant false_type; |
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using __gnu_cxx::__conditional_type; |
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using __gnu_cxx::__numeric_traits; |
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template |
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struct is_const_pointer |
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{ |
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enum |
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{ |
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value = is_const::value && is_pointer::value |
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}; |
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}; |
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template |
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struct is_const_reference |
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{ |
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enum |
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{ |
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value = is_const::value && is_reference::value |
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}; |
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}; |
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template |
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struct is_simple |
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{ |
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enum |
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{ |
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value = is_fundamental::type>::value |
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|| is_pointer::type>::value |
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|| is_member_pointer::value |
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}; |
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}; |
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template |
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class is_pair |
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{ |
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private: |
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template |
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struct is_pair_imp |
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{ |
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enum |
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{ |
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value = 0 |
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}; |
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}; |
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template |
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struct is_pair_imp > |
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{ |
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enum |
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{ |
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value = 1 |
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}; |
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}; |
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public: |
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enum |
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{ |
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value = is_pair_imp::value |
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}; |
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}; |
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// Use C++0x's static_assert if possible. |
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#if __cplusplus >= 201103L |
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#define PB_DS_STATIC_ASSERT(UNIQUE, E) static_assert(E, #UNIQUE) |
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#else |
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template |
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struct __static_assert; |
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template<> |
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struct __static_assert |
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{ }; |
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template |
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struct __static_assert_dumclass |
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{ |
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enum |
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{ |
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v = 1 |
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}; |
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}; |
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#define PB_DS_STATIC_ASSERT(UNIQUE, E) \ |
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typedef __gnu_pbds::detail::__static_assert_dumclass)> UNIQUE##__static_assert_type |
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#endif |
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template |
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struct type_to_type |
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{ |
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typedef Type type; |
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}; |
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} // namespace detail |
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} // namespace __gnu_pbds |
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#endif |