1// -*- C++ -*- 2 3// Copyright (C) 2005 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 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 2, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// As a special exception, you may use this file as part of a free software 22// library without restriction. Specifically, if other files instantiate 23// templates or use macros or inline functions from this file, or you compile 24// this file and link it with other files to produce an executable, this 25// file does not by itself cause the resulting executable to be covered by 26// the GNU General Public License. This exception does not however 27// invalidate any other reasons why the executable file might be covered by 28// the GNU General Public License. 29 30// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 31 32// Permission to use, copy, modify, sell, and distribute this software 33// is hereby granted without fee, provided that the above copyright 34// notice appears in all copies, and that both that copyright notice and 35// this permission notice appear in supporting documentation. None of 36// the above authors, nor IBM Haifa Research Laboratories, make any 37// representation about the suitability of this software for any 38// purpose. It is provided "as is" without express or implied warranty. 39 40/** 41 * @file basic_multimap_example.cpp 42 * A basic example showing how to use maps. 43 */ 44 45// For various associative containers. 46#include <ext/pb_assoc/assoc_cntnr.hpp> 47// For cout, endl. 48#include <iostream> 49// For assert. 50#include <cassert> 51 52template<class Cntnr> 53void 54some_op_sequence(Cntnr c) 55{ 56 assert(c.empty()); 57 assert(c.size() == 0); 58 59 c.insert(std::make_pair(1, 'a')); 60 61 c[2] = 'b'; 62 63 assert(!c.empty()); 64 assert(c.size() == 2); 65 66 std::cout << "Key 1 is mapped to " << c[1] << std::endl; 67 std::cout << "Key 2 is mapped to " << c[2] << std::endl; 68 69 std::cout << std::endl << "All value types in the container:" << std::endl; 70 for (typename Cntnr::const_iterator it = c.begin(); it != c.end(); 71 ++it) 72 std::cout << it->first << " -> " << it->second << std::endl; 73 74 std::cout << std::endl; 75 76 c.clear(); 77 78 assert(c.empty()); 79 assert(c.size() == 0); 80} 81 82int 83main() 84{ 85 /* 86 * Perform operations on a collision-chaining hash set. 87 */ 88 some_op_sequence(pb_assoc::cc_hash_assoc_cntnr<int, char>()); 89 90 /* 91 * Perform operations on a general-probing hash set. 92 */ 93 some_op_sequence(pb_assoc::gp_hash_assoc_cntnr<int, char>()); 94 95 /* 96 * Perform operations on a red-black tree set. 97 */ 98 some_op_sequence(pb_assoc::tree_assoc_cntnr<int, char>()); 99 100 /* 101 * Perform operations on a splay tree set. 102 */ 103 some_op_sequence(pb_assoc::tree_assoc_cntnr< 104 int, 105 char, 106 std::less<int>, 107 pb_assoc::splay_tree_ds_tag>()); 108 109 /* 110 * Perform operations on a splay tree set. 111 */ 112 some_op_sequence(pb_assoc::tree_assoc_cntnr< 113 int, 114 char, 115 std::less<int>, 116 pb_assoc::ov_tree_ds_tag>()); 117 118 /* 119 * Perform operations on a list-update set. 120 */ 121 some_op_sequence(pb_assoc::lu_assoc_cntnr<int, char>()); 122} 123