3 // Copyright (C) 2005-2020 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
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21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
27 // Permission to use, copy, modify, sell, and distribute this software
28 // is hereby granted without fee, provided that the above copyright
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31 // of the above authors, nor IBM Haifa Research Laboratories, make any
32 // representation about the suitability of this software for any
33 // purpose. It is provided "as is" without express or implied
37 * @file binary_heap_/entry_pred.hpp
38 * Contains an implementation class for a binary_heap.
41 #ifndef PB_DS_BINARY_HEAP_ENTRY_PRED_HPP
42 #define PB_DS_BINARY_HEAP_ENTRY_PRED_HPP
48 /// Entry predicate primary class template.
49 template<typename _VTp, typename Pred, typename _Alloc, bool No_Throw>
52 /// Specialization, true.
53 template<typename _VTp, typename Pred, typename _Alloc>
54 struct entry_pred<_VTp, Pred, _Alloc, true>
59 /// Specialization, false.
60 template<typename _VTp, typename Pred, typename _Alloc>
61 struct entry_pred<_VTp, Pred, _Alloc, false>
64 typedef rebind_traits<_Alloc, _VTp> __rebind_v;
67 typedef typename __rebind_v::const_pointer entry;
69 struct type : public Pred
75 type(const Pred& other) : Pred(other) { }
78 operator()(entry p_v) const
79 { return Pred::operator()(*p_v); }
83 } // namespace __gnu_pbds
85 #endif // #ifndef PB_DS_BINARY_HEAP_ENTRY_PRED_HPP