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[EDIT] FILE: traits.hpp

// -*- C++ -*-

// Copyright (C) 2005-2018 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/>.

// 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
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// warranty.

/**
 * @file branch_policy/traits.hpp
 * Contains an implementation class for tree-like classes.
 */

#ifndef PB_DS_NODE_AND_IT_TRAITS_HPP
#define PB_DS_NODE_AND_IT_TRAITS_HPP

#include <ext/pb_ds/detail/types_traits.hpp>
#include <ext/pb_ds/detail/bin_search_tree_/traits.hpp>
#include <ext/pb_ds/detail/tree_policy/node_metadata_selector.hpp>
#include <ext/pb_ds/detail/trie_policy/node_metadata_selector.hpp>

#define PB_DS_DEBUG_VERIFY(_Cond)					\
  _GLIBCXX_DEBUG_VERIFY_AT(_Cond,					\
			   _M_message(#_Cond" assertion from %1;:%2;")	\
			   ._M_string(__FILE__)._M_integer(__LINE__)	\
			   ,__file,__line)

namespace __gnu_pbds
{
  namespace detail
  {
    /// Tree traits class, primary template.
    template<typename Key,
	     typename Data,
	     typename Cmp_Fn,
	     template<typename Node_CItr,
		      typename Node_Itr,
		      typename Cmp_Fn_,
		      typename _Alloc>
	     class Node_Update,
	     typename Tag,
	     typename _Alloc>
    struct tree_traits;

/// Trie traits class, primary template.
    template<typename Key,
	     typename Data,
	     typename _ATraits,
	     template<typename Node_CItr,
		      typename Node_Itr,
		      typename _ATraits_,
		      typename _Alloc>
	     class Node_Update,
	     typename Tag,
	     typename _Alloc>
    struct trie_traits;

} // namespace detail
} // namespace __gnu_pbds

#include <ext/pb_ds/detail/rb_tree_map_/traits.hpp>
#include <ext/pb_ds/detail/splay_tree_/traits.hpp>
#include <ext/pb_ds/detail/ov_tree_map_/traits.hpp>
#include <ext/pb_ds/detail/pat_trie_/traits.hpp>

#undef PB_DS_DEBUG_VERIFY

#endif // #ifndef PB_DS_NODE_AND_IT_TRAITS_HPP

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