bimap/example/unconstrained_collection.cpp
2019-04-23 14:10:01 +02:00

95 lines
2.4 KiB
C++

// Boost.Bimap
//
// Copyright (c) 2006-2007 Matias Capeletto
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// VC++ 8.0 warns on usage of certain Standard Library and API functions that
// can be cause buffer overruns or other possible security issues if misused.
// See https://web.archive.org/web/20071014014301/http://msdn.microsoft.com/msdnmag/issues/05/05/SafeCandC/default.aspx
// But the wording of the warning is misleading and unsettling, there are no
// portable alternative functions, and VC++ 8.0's own libraries use the
// functions in question. So turn off the warnings.
#define _CRT_SECURE_NO_DEPRECATE
#define _SCL_SECURE_NO_DEPRECATE
// Boost.Bimap Example
//-----------------------------------------------------------------------------
#include <boost/config.hpp>
#include <string>
#include <iostream>
#include <map>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/unconstrained_set_of.hpp>
#include <boost/bimap/support/lambda.hpp>
using namespace boost::bimaps;
int main()
{
// Boost.Bimap
{
//[ code_unconstrained_collection_bimap
typedef bimap< std::string, unconstrained_set_of<int> > bm_type;
typedef bm_type::left_map map_type;
bm_type bm;
map_type & m = bm.left;
//]
//[ code_unconstrained_collection_common
m["one"] = 1;
assert( m.find("one") != m.end() );
for( map_type::iterator i = m.begin(), iend = m.end(); i != iend; ++i )
{
/*<< The right collection of the bimap is mutable so its elements
can be modified using iterators. >>*/
++(i->second);
}
m.erase("one");
//]
m["one"] = 1;
m["two"] = 2;
//[ code_unconstrained_collection_only_for_bimap
typedef map_type::const_iterator const_iterator;
typedef std::pair<const_iterator,const_iterator> const_range;
/*<< This range is a model of BidirectionalRange, read the docs of
Boost.Range for more information. >>*/
const_range r = m.range( "one" <= _key, _key <= "two" );
for( const_iterator i = r.first; i != r.second; ++i )
{
std::cout << i->first << "-->" << i->second << std::endl;
}
m.modify_key( m.begin(), _key = "1" );
//]
}
// Standard map
{
//[ code_unconstrained_collection_map
typedef std::map< std::string, int > map_type;
map_type m;
//]
}
return 0;
}