1// { dg-do compile }
2// -*- C++ -*-
3
4// Copyright (C) 2005 Free Software Foundation, Inc.
5//
6// This file is part of the GNU ISO C++ Library.  This library is free
7// software; you can redistribute it and/or modify it under the
8// terms of the GNU General Public License as published by the
9// Free Software Foundation; either version 2, or (at your option)
10// any later version.
11
12// This library is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16
17// You should have received a copy of the GNU General Public License along
18// with this library; see the file COPYING.  If not, write to the Free
19// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
20// USA.
21
22// As a special exception, you may use this file as part of a free software
23// library without restriction.  Specifically, if other files instantiate
24// templates or use macros or inline functions from this file, or you compile
25// this file and link it with other files to produce an executable, this
26// file does not by itself cause the resulting executable to be covered by
27// the GNU General Public License.  This exception does not however
28// invalidate any other reasons why the executable file might be covered by
29// the GNU General Public License.
30
31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
32
33// Permission to use, copy, modify, sell, and distribute this software
34// is hereby granted without fee, provided that the above copyright
35// notice appears in all copies, and that both that copyright notice and
36// this permission notice appear in supporting documentation. None of
37// the above authors, nor IBM Haifa Research Laboratories, make any
38// representation about the suitability of this software for any
39// purpose. It is provided "as is" without express or implied warranty.
40
41/**
42 * @file bad_find_example.cpp
43 * A basic example showing how *not* to use unordered containers.
44 */
45
46// For cc_hash_assoc_cntnr.
47#include <ext/pb_assoc/assoc_cntnr.hpp>
48// For pair.
49#include <utility>
50
51int
52main()
53{
54  /*
55   * A collision-chaining hash table mapping ints to chars.
56   */
57  typedef pb_assoc::cc_hash_assoc_cntnr< int, char> map_t;
58
59  // An map_t object.
60  map_t h;
61
62  // Insert a value mapping the int 1 to the char 'a'.
63  h.insert(std::make_pair(1, 'a'));
64
65  /*
66   * Find the entry of the key '1' the* wrong* way.
67   * The following line will not compile, since map_t::find
68   *	returns a find_iterator, which, by design, is not convertible
69   *	to map_t::iterator.
70   */
71  map_t::iterator it = h.find(1); // { dg-error "conversion from" }
72}
73
74