// -*- C++ -*-
-// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+// Copyright (C) 2005-2021 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 2, or (at your option) any later
+// Foundation; either version 3, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
-// You should have received a copy of the GNU General Public License
-// along with this library; see the file COPYING. If not, write to
-// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
-// MA 02111-1307, USA.
-
-// As a special exception, you may use this file as part of a free
-// software library without restriction. Specifically, if other files
-// instantiate templates or use macros or inline functions from this
-// file, or you compile this file and link it with other files to
-// produce an executable, this file does not by itself cause the
-// resulting executable to be covered by the GNU General Public
-// License. This exception does not however invalidate any other
-// reasons why the executable file might be covered by the GNU General
-// Public License.
+// 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.
// warranty.
/**
- * @file node.hpp
+ * @file rb_tree_map_/node.hpp
* Contains an implementation for rb_tree_.
*/
#ifndef PB_DS_RB_TREE_NODE_HPP
#define PB_DS_RB_TREE_NODE_HPP
-#include <ext/pb_ds/detail/basic_tree_policy/null_node_metadata.hpp>
+#include <ext/pb_ds/detail/branch_policy/null_node_metadata.hpp>
namespace __gnu_pbds
{
namespace detail
{
- template<typename Value_Type, class Metadata, class Allocator>
+ /// Node for Red-Black trees.
+ template<typename Value_Type, class Metadata, typename _Alloc>
struct rb_tree_node_
{
public:
- typedef Value_Type value_type;
- typedef Metadata metadata_type;
-
- typedef
- typename Allocator::template rebind<
- rb_tree_node_<
- Value_Type,
- Metadata,
- Allocator> >::other::pointer
- node_pointer;
-
- typedef
- typename Allocator::template rebind<
- metadata_type>::other::reference
- metadata_reference;
-
- typedef
- typename Allocator::template rebind<
- metadata_type>::other::const_reference
- const_metadata_reference;
-
- inline bool
+ typedef Value_Type value_type;
+ typedef Metadata metadata_type;
+
+ typedef typename rebind_traits<_Alloc, rb_tree_node_>::pointer
+ node_pointer;
+
+ typedef typename rebind_traits<_Alloc, metadata_type>::reference
+ metadata_reference;
+
+ typedef typename rebind_traits<_Alloc, metadata_type>::const_reference
+ metadata_const_reference;
+
+ bool
special() const
{ return m_red; }
- inline const_metadata_reference
+ metadata_const_reference
get_metadata() const
{ return m_metadata; }
- inline metadata_reference
+ metadata_reference
get_metadata()
{ return m_metadata; }
}
#endif
- node_pointer m_p_left;
- node_pointer m_p_right;
- node_pointer m_p_parent;
- value_type m_value;
- bool m_red;
- metadata_type m_metadata;
+ node_pointer m_p_left;
+ node_pointer m_p_right;
+ node_pointer m_p_parent;
+ value_type m_value;
+ bool m_red;
+ metadata_type m_metadata;
};
- template<typename Value_Type, class Allocator>
- struct rb_tree_node_<Value_Type, null_node_metadata, Allocator>
+ template<typename Value_Type, typename _Alloc>
+ struct rb_tree_node_<Value_Type, null_type, _Alloc>
{
public:
- typedef Value_Type value_type;
- typedef null_node_metadata metadata_type;
-
- typedef
- typename Allocator::template rebind<
- rb_tree_node_<
- Value_Type,
- null_node_metadata,
- Allocator> >::other::pointer
- node_pointer;
-
- inline bool
+ typedef Value_Type value_type;
+ typedef null_type metadata_type;
+
+ typedef typename rebind_traits<_Alloc, rb_tree_node_>::pointer
+ node_pointer;
+
+ bool
special() const
{ return m_red; }
{ std::cout << PB_DS_V2F(m_value) <<(m_red? " <r> " : " <b> "); }
#endif
- node_pointer m_p_left;
- node_pointer m_p_right;
- node_pointer m_p_parent;
- value_type m_value;
- bool m_red;
+ node_pointer m_p_left;
+ node_pointer m_p_right;
+ node_pointer m_p_parent;
+ value_type m_value;
+ bool m_red;
};
} // namespace detail
} // namespace __gnu_pbds
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