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  1. // -*- C++ -*-
  2.  
  3. // Copyright (C) 2005-2015 Free Software Foundation, Inc.
  4. //
  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
  9. // version.
  10.  
  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.
  15.  
  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.
  19.  
  20. // You should have received a copy of the GNU General Public License and
  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/>.
  24.  
  25. // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  26.  
  27. // Permission to use, copy, modify, sell, and distribute this software
  28. // is hereby granted without fee, provided that the above copyright
  29. // notice appears in all copies, and that both that copyright notice
  30. // and this permission notice appear in supporting documentation. None
  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
  34. // warranty.
  35.  
  36. /**
  37.  * @file left_child_next_sibling_heap_/node.hpp
  38.  * Contains an implementation struct for this type of heap's node.
  39.  */
  40.  
  41. #ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_NODE_HPP
  42. #define PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_NODE_HPP
  43.  
  44. namespace __gnu_pbds
  45. {
  46.   namespace detail
  47.   {
  48.     /// Node.
  49.     template<typename _Value, typename _Metadata, typename _Alloc>
  50.     struct left_child_next_sibling_heap_node_
  51.     {
  52.     private:
  53.       typedef left_child_next_sibling_heap_node_<_Value, _Metadata, _Alloc> this_type;
  54.  
  55.     public:
  56.       typedef _Value                            value_type;
  57.       typedef typename _Alloc::size_type        size_type;
  58.       typedef _Metadata                         metadata_type;
  59.  
  60.       typedef typename _Alloc::template rebind<this_type>::other::pointer node_pointer;
  61.  
  62.       value_type        m_value;
  63.       metadata_type     m_metadata;
  64.       node_pointer      m_p_l_child;
  65.       node_pointer      m_p_next_sibling;
  66.       node_pointer      m_p_prev_or_parent;
  67.     };
  68.  
  69.     template<typename _Value, typename _Alloc>
  70.     struct left_child_next_sibling_heap_node_<_Value, null_type, _Alloc>
  71.     {
  72.     private:
  73.       typedef left_child_next_sibling_heap_node_<_Value, null_type, _Alloc> this_type;
  74.  
  75.     public:
  76.       typedef _Value                            value_type;
  77.       typedef typename _Alloc::size_type        size_type;
  78.  
  79.       typedef typename _Alloc::template rebind<this_type>::other::pointer node_pointer;
  80.  
  81.       value_type        m_value;
  82.       node_pointer      m_p_l_child;
  83.       node_pointer      m_p_next_sibling;
  84.       node_pointer      m_p_prev_or_parent;
  85.     };
  86.  
  87.   } // namespace detail
  88. } // namespace __gnu_pbds
  89.  
  90. #endif // #ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_NODE_HPP
  91.