ceph/src/boost/libs/bimap/example/at_function_examples.cpp

   1 // Boost.Bimap
   2 //
   3 // Copyright (c) 2006-2007 Matias Capeletto
   4 //
   5 // Distributed under the Boost Software License, Version 1.0.
   6 // (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 //  VC++ 8.0 warns on usage of certain Standard Library and API functions that
  10 //  can be cause buffer overruns or other possible security issues if misused.
  11 //  See http://msdn.microsoft.com/msdnmag/issues/05/05/SafeCandC/default.aspx
  12 //  But the wording of the warning is misleading and unsettling, there are no
  13 //  portable alternative functions, and VC++ 8.0's own libraries use the
  14 //  functions in question. So turn off the warnings.
  15 #define _CRT_SECURE_NO_DEPRECATE
  16 #define _SCL_SECURE_NO_DEPRECATE
  17
  18 // Boost.Bimap Example
  19 //-----------------------------------------------------------------------------
  20
  21 #include <boost/config.hpp>
  22
  23 #include <string>
  24 #include <iostream>
  25 #include <cassert>
  26
  27 #include <boost/bimap/bimap.hpp>
  28 #include <boost/bimap/unordered_set_of.hpp>
  29 #include <boost/bimap/list_of.hpp>
  30 #include <boost/bimap/multiset_of.hpp>
  31
  32 using namespace boost::bimaps;
  33
  34 void first_bimap()
  35 {
  36    //[ code_at_function_first
  37
  38     typedef bimap< set_of< std::string >, list_of< int > > bm_type;
  39     bm_type bm;
  40
  41     try
  42     {
  43         bm.left.at("one") = 1; // throws std::out_of_range
  44     }
  45     catch( std::out_of_range & e ) {}
  46
  47     assert( bm.empty() );
  48
  49     bm.left["one"] = 1; // Ok
  50
  51     assert( bm.left.at("one") == 1 ); // Ok
  52     //]
  53 }
  54
  55 void second_bimap()
  56 {
  57     //[ code_at_function_second
  58
  59     typedef bimap< multiset_of<std::string>, unordered_set_of<int> > bm_type;
  60     bm_type bm;
  61
  62     //<-
  63     /*
  64     //->
  65     bm.right[1] = "one"; // compilation error
  66     //<-
  67     */
  68     //->
  69
  70     bm.right.insert( bm_type::right_value_type(1,"one") );
  71
  72     assert( bm.right.at(1) == "one" ); // Ok
  73
  74     try
  75     {
  76         std::cout << bm.right.at(2); // throws std::out_of_range
  77     }
  78     catch( std::out_of_range & e ) {}
  79
  80     //<-
  81     /*
  82     //->
  83     bm.right.at(1) = "1"; // compilation error
  84     //<-
  85     */
  86     //->
  87
  88     //]
  89 }
  90
  91 int main()
  92 {
  93     first_bimap();
  94     second_bimap();
  95     return 0;
  96 }
  97