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/usr/include/c++/11/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_size_base.hpp


$ cat -n /usr/include/c++/11/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_size_base.hpp

     1	// -*- C++ -*-
     2	
     3	// Copyright (C) 2005-2021 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 hash_load_check_resize_trigger_size_base.hpp
    38	 * Contains an base holding size for some resize policies.
    39	 */
    40	
    41	#ifndef PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP
    42	#define PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP
    43	
    44	namespace __gnu_pbds
    45	{
    46	  namespace detail
    47	  {
    48	    /// Primary template.
    49	    template<typename Size_Type, bool Hold_Size>
    50	    class hash_load_check_resize_trigger_size_base;
    51	
    52	    /// Specializations.
    53	    template<typename Size_Type>
    54	    class hash_load_check_resize_trigger_size_base<Size_Type, true>
    55	    {
    56	    protected:
    57	      typedef Size_Type size_type;
    58	
    59	      hash_load_check_resize_trigger_size_base(): m_size(0)
    60	      { }
    61	
    62	      inline void
    63	      swap(hash_load_check_resize_trigger_size_base& other)
    64	      { std::swap(m_size, other.m_size); }
    65	
    66	      inline void
    67	      set_size(size_type size)
    68	      { m_size = size; }
    69	
    70	      inline size_type
    71	      get_size() const
    72	      { return m_size; }
    73	
    74	    private:
    75	      size_type m_size;
    76	    };
    77	
    78	    template<typename Size_Type>
    79	    class hash_load_check_resize_trigger_size_base<Size_Type, false>
    80	    {
    81	    protected:
    82	      typedef Size_Type size_type;
    83	
    84	    protected:
    85	      inline void
    86	      swap(hash_load_check_resize_trigger_size_base& other) { }
    87	
    88	      inline void
    89	      set_size(size_type size) { }
    90	    };
    91	  } // namespace detail
    92	} // namespace __gnu_pbds
    93	
    94	#endif