ceph/src/boost/libs/bimap/example/bimap_and_boost/typeof.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 <boost/bimap/bimap.hpp>
  26
  27 #include <boost/typeof/typeof.hpp>
  28
  29 using namespace boost::bimaps;
  30
  31 struct name   {};
  32 struct number {};
  33
  34 void using_auto()
  35 {
  36     //[ code_bimap_and_boost_typeof_first
  37
  38     typedef bimap< tagged<std::string,name>, tagged<int,number> > bm_type;
  39     bm_type bm;
  40     bm.insert( bm_type::value_type("one"  ,1) );
  41     bm.insert( bm_type::value_type("two"  ,2) );
  42     //]
  43
  44     //[ code_bimap_and_boost_typeof_using_auto
  45
  46     for( BOOST_AUTO(iter, bm.by<name>().begin()); iter!=bm.by<name>().end(); ++iter)
  47     {
  48         std::cout << iter->first << " --> " << iter->second << std::endl;
  49     }
  50
  51     BOOST_AUTO( iter, bm.by<number>().find(2) );
  52     std::cout << "2: " << iter->get<name>();
  53     //]
  54 }
  55
  56 void not_using_auto()
  57 {
  58     typedef bimap< tagged<std::string,name>, tagged<int,number> > bm_type;
  59     bm_type bm;
  60     bm.insert( bm_type::value_type("one"  ,1) );
  61     bm.insert( bm_type::value_type("two"  ,2) );
  62
  63     //[ code_bimap_and_boost_typeof_not_using_auto
  64
  65     for( bm_type::map_by<name>::iterator iter = bm.by<name>().begin();
  66          iter!=bm.by<name>().end(); ++iter)
  67     {
  68         std::cout << iter->first << " --> " << iter->second << std::endl;
  69     }
  70
  71     bm_type::map_by<number>::iterator iter = bm.by<number>().find(2);
  72     std::cout << "2: " << iter->get<name>();
  73     //]
  74 }
  75
  76 int main()
  77 {
  78     using_auto();
  79     not_using_auto();
  80
  81     return 0;
  82 }
  83
  84
  85
  86