libs/bimap/example/tutorial_modify_and_replace.cpp
// 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 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 <boost/bimap/bimap.hpp>
#include <boost/bimap/support/lambda.hpp>
using namespace boost::bimaps;
void test_replace()
{
//[ code_tutorial_replace
typedef bimap< int, std::string > bm_type;
bm_type bm;
bm.insert( bm_type::value_type(1,"one") );
// Replace (1,"one") with (1,"1") using the right map view
{
bm_type::right_iterator it = bm.right.find("one");
bool successful_replace = bm.right.replace_key( it, "1" );
assert( successful_replace );
}
bm.insert( bm_type::value_type(2,"two") );
// Fail to replace (1,"1") with (1,"two") using the left map view
{
assert( bm.size() == 2 );
bm_type::left_iterator it = bm.left.find(1);
bool successful_replace = bm.left.replace_data( it, "two" );
/*<< `it` is still valid here, and the bimap was left unchanged >>*/
assert( ! successful_replace );
assert( bm.size() == 2 );
}
//]
}
void test_modify()
{
//[ code_tutorial_modify
typedef bimap< int, std::string > bm_type;
bm_type bm;
bm.insert( bm_type::value_type(1,"one") );
// Modify (1,"one") to (1,"1") using the right map view
{
bm_type::right_iterator it = bm.right.find("one");
bool successful_modify = bm.right.modify_key( it , _key = "1" );
assert( successful_modify );
}
bm.insert( bm_type::value_type(2,"two") );
// Fail to modify (1,"1") to (1,"two") using the left map view
{
assert( bm.size() == 2 );
bm_type::left_iterator it = bm.left.find(1);
bool successful_modify = bm.left.modify_data( it, _data = "two" );
/*<< `it` is not longer valid and `(1,"1")` is removed from the bimap >>*/
assert( ! successful_modify );
assert( bm.size() == 1 );
}
//]
/*
// Modify (2,"two") to (3,"two") using the set of relations view
{
bm_type::iterator it = bm.begin();
bool successful_modify = bm.modify( it, ++_left );
assert( successful_modify );
}
*/
}
int main()
{
test_replace();
test_modify();
return 0;
}