ceph/src/boost/libs/bimap/example/projection.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
  26 #include <boost/bimap/bimap.hpp>
  27 #include <boost/bimap/multiset_of.hpp>
  28 using namespace boost::bimaps;
  29
  30 void years_example()
  31 {
  32     //[ code_projection_years
  33
  34     typedef bimap<std::string,multiset_of<int,std::greater<int> > > bm_type;
  35
  36     bm_type bm;
  37     bm.insert( bm_type::value_type("John" ,34) );
  38     bm.insert( bm_type::value_type("Peter",24) );
  39     bm.insert( bm_type::value_type("Mary" ,12) );
  40
  41     // Find the name of the next younger person after Peter
  42
  43     bm_type::left_const_iterator name_iter = bm.left.find("Peter");
  44
  45     bm_type::right_const_iterator years_iter = bm.project_right(name_iter);
  46
  47     ++years_iter;
  48
  49     std::cout << "The next younger person after Peter is " << years_iter->second;
  50     //]
  51 }
  52
  53 int main()
  54 {
  55     years_example();
  56
  57     return 0;
  58 }
  59
  60