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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 | |
83f51799 | 18 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
fd1e1726 BK |
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 multimaps. | |
43 | */ | |
44 | ||
45 | // For cout, endl | |
46 | #include <iostream> | |
47 | // For various associative containers. | |
48 | #include <ext/pb_assoc/assoc_cntnr.hpp> | |
49 | // For compound_data_type and null_data_type. | |
50 | #include <ext/pb_assoc/data_type.hpp> | |
51 | // For assert | |
52 | #include <cassert> | |
53 | ||
54 | template<class Cntnr> | |
55 | void | |
56 | some_op_sequence(Cntnr c) | |
57 | { | |
58 | assert(c.empty()); | |
59 | assert(c.size() == 0); | |
60 | ||
61 | c[1].insert('a'); | |
62 | ||
63 | c[2].insert('b'); | |
64 | c[2].insert('c'); | |
65 | ||
66 | assert(!c.empty()); | |
67 | assert(c.size() == 2); | |
68 | ||
69 | std::cout << "Key 1 is mapped to " << | |
70 | static_cast<unsigned long>(c[1].size()) << " entries." << std::endl; | |
71 | ||
72 | std::cout << "Key 2 is mapped to " << | |
73 | static_cast<unsigned long>(c[2].size()) << " entries." << std::endl; | |
74 | ||
75 | std::cout << std::endl << "All values in the container:" << std::endl; | |
76 | ||
77 | for (typename Cntnr::const_iterator it = c.begin(); it != c.end(); | |
78 | ++it) | |
79 | { | |
80 | std::cout << it->first << "->{ "; | |
81 | ||
82 | for (typename Cntnr::data_type::const_iterator it_ = it->second.begin(); | |
83 | it_ != it->second.end(); ++it_) | |
84 | std::cout <<* it_ << " "; | |
85 | ||
86 | std::cout << "}" << std::endl; | |
87 | } | |
88 | ||
89 | std::cout << std::endl; | |
90 | ||
91 | c.clear(); | |
92 | ||
93 | assert(c.empty()); | |
94 | assert(c.size() == 0); | |
95 | } | |
96 | ||
97 | int | |
98 | main() | |
99 | { | |
100 | /* | |
101 | * Perform operations on a collision-chaining hash-table of of | |
102 | * red-black trees. | |
103 | */ | |
104 | some_op_sequence(pb_assoc::cc_hash_assoc_cntnr< | |
105 | int, | |
106 | pb_assoc::compound_data_type< | |
107 | pb_assoc::tree_assoc_cntnr< | |
108 | char, | |
109 | pb_assoc::null_data_type> > >()); | |
110 | } |