entry_pred.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2024 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
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// version.
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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/**
* @file binary_heap_/entry_pred.hpp
* Contains an implementation class for a binary_heap.
*/
#ifndef PB_DS_BINARY_HEAP_ENTRY_PRED_HPP
#define PB_DS_BINARY_HEAP_ENTRY_PRED_HPP
namespace __gnu_pbds
{
namespace detail
{
/// Entry predicate primary class template.
template<typename _VTp, typename Pred, typename _Alloc, bool No_Throw>
struct entry_pred;
/// Specialization, true.
template<typename _VTp, typename Pred, typename _Alloc>
struct entry_pred<_VTp, Pred, _Alloc, true>
{
typedef Pred type;
};
/// Specialization, false.
template<typename _VTp, typename Pred, typename _Alloc>
struct entry_pred<_VTp, Pred, _Alloc, false>
{
private:
typedef rebind_traits<_Alloc, _VTp> __rebind_v;
public:
typedef typename __rebind_v::const_pointer entry;
struct type : public Pred
{
inline
type() { }
inline
type(const Pred& other) : Pred(other) { }
inline bool
operator()(entry p_v) const
{ return Pred::operator()(*p_v); }
};
};
} // namespace detail
} // namespace __gnu_pbds
#endif // #ifndef PB_DS_BINARY_HEAP_ENTRY_PRED_HPP
__gnu_pbds
GNU extensions for policy-based data structures for public use.
Definition assoc_container.hpp:52
__gnu_pbds::detail::rebind_traits
Consistent API for accessing allocator-related types.
Definition types_traits.hpp:140
__gnu_pbds::detail::entry_pred
Entry predicate primary class template.
Definition entry_pred.hpp:50