ceph/src/boost/libs/bimap/example/unconstrained_collection.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 https://web.archive.org/web/20071014014301/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
  26 #include <map>
  27 #include <boost/bimap/bimap.hpp>
  28 #include <boost/bimap/unconstrained_set_of.hpp>
  29 #include <boost/bimap/support/lambda.hpp>
  30
  31 using namespace boost::bimaps;
  32
  33 int main()
  34 {
  35     // Boost.Bimap
  36     {
  37     //[ code_unconstrained_collection_bimap
  38
  39     typedef bimap< std::string, unconstrained_set_of<int> > bm_type;
  40     typedef bm_type::left_map map_type;
  41
  42     bm_type bm;
  43     map_type & m = bm.left;
  44     //]
  45
  46     //[ code_unconstrained_collection_common
  47
  48     m["one"] = 1;
  49
  50     assert( m.find("one") != m.end() );
  51
  52     for( map_type::iterator i = m.begin(), iend = m.end(); i != iend; ++i )
  53     {
  54         /*<< The right collection of the bimap is mutable so its elements
  55              can be modified using iterators. >>*/
  56         ++(i->second);
  57     }
  58
  59     m.erase("one");
  60     //]
  61
  62     m["one"] = 1;
  63     m["two"] = 2;
  64
  65     //[ code_unconstrained_collection_only_for_bimap
  66     typedef map_type::const_iterator const_iterator;
  67     typedef std::pair<const_iterator,const_iterator> const_range;
  68
  69     /*<< This range is a model of BidirectionalRange, read the docs of
  70          Boost.Range for more information. >>*/
  71     const_range r = m.range( "one" <= _key, _key <= "two" );
  72     for( const_iterator i = r.first; i != r.second; ++i )
  73     {
  74         std::cout << i->first << "-->" << i->second << std::endl;
  75     }
  76
  77     m.modify_key( m.begin(), _key = "1" );
  78     //]
  79     }
  80
  81     // Standard map
  82     {
  83     //[ code_unconstrained_collection_map
  84
  85     typedef std::map< std::string, int > map_type;
  86
  87     map_type m;
  88     //]
  89     }
  90
  91     return 0;
  92 }
  93
  94