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Filename: //usr/include/c++/10//ext/pb_ds//detail/type_utils.hpp
// -*- C++ -*- // Copyright (C) 2005-2020 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. // 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. // 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. // 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/>. // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. // Permission to use, copy, modify, sell, and distribute this software // is hereby granted without fee, provided that the above copyright // notice appears in all copies, and that both that copyright notice // and this permission notice appear in supporting documentation. None // of the above authors, nor IBM Haifa Research Laboratories, make any // representation about the suitability of this software for any // purpose. It is provided "as is" without express or implied // warranty. /** * @file detail/type_utils.hpp * Contains utilities for handling types. All of these classes are based on * Modern C++ by Andrei Alxandrescu. */ #ifndef PB_DS_TYPE_UTILS_HPP #define PB_DS_TYPE_UTILS_HPP #include <cstddef> #include <utility> #include <tr1/type_traits> #include <ext/type_traits.h> #include <ext/numeric_traits.h> namespace __gnu_pbds { namespace detail { using std::tr1::is_same; using std::tr1::is_const; using std::tr1::is_pointer; using std::tr1::is_reference; using std::tr1::is_fundamental; using std::tr1::is_member_object_pointer; using std::tr1::is_member_pointer; using std::tr1::is_base_of; using std::tr1::remove_const; using std::tr1::remove_reference; // Need integral_const<bool, true> <-> integral_const<int, 1>, so // because of this use the following typedefs instead of importing // std::tr1's. using std::tr1::integral_constant; typedef std::tr1::integral_constant<int, 1> true_type; typedef std::tr1::integral_constant<int, 0> false_type; using __gnu_cxx::__conditional_type; using __gnu_cxx::__numeric_traits; template<typename T> struct is_const_pointer { enum { value = is_const<T>::value && is_pointer<T>::value }; }; template<typename T> struct is_const_reference { enum { value = is_const<T>::value && is_reference<T>::value }; }; template<typename T> struct is_simple { enum { value = is_fundamental<typename remove_const<T>::type>::value || is_pointer<typename remove_const<T>::type>::value || is_member_pointer<T>::value }; }; template<typename T> class is_pair { private: template<typename U> struct is_pair_imp { enum { value = 0 }; }; template<typename U, typename V> struct is_pair_imp<std::pair<U,V> > { enum { value = 1 }; }; public: enum { value = is_pair_imp<T>::value }; }; // Use C++11's static_assert if possible. #if __cplusplus >= 201103L #define PB_DS_STATIC_ASSERT(UNIQUE, E) static_assert(E, #UNIQUE) #else template<bool> struct __static_assert; template<> struct __static_assert<true> { }; template<int> struct __static_assert_dumclass { enum { v = 1 }; }; #define PB_DS_STATIC_ASSERT(UNIQUE, E) \ typedef __gnu_pbds::detail::__static_assert_dumclass<sizeof(__gnu_pbds::detail::__static_assert<bool(E)>)> UNIQUE##__static_assert_type #endif template<typename Type> struct type_to_type { typedef Type type; }; } // namespace detail } // namespace __gnu_pbds #endif
./Ninja\.