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

98 lines
2.1 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 <cassert>
#include <boost/bimap/bimap.hpp>
#include <boost/bimap/unordered_set_of.hpp>
#include <boost/bimap/list_of.hpp>
#include <boost/bimap/multiset_of.hpp>
using namespace boost::bimaps;
void first_bimap()
{
//[ code_at_function_first
typedef bimap< set_of< std::string >, list_of< int > > bm_type;
bm_type bm;
try
{
bm.left.at("one") = 1; // throws std::out_of_range
}
catch( std::out_of_range & e ) {}
assert( bm.empty() );
bm.left["one"] = 1; // Ok
assert( bm.left.at("one") == 1 ); // Ok
//]
}
void second_bimap()
{
//[ code_at_function_second
typedef bimap< multiset_of<std::string>, unordered_set_of<int> > bm_type;
bm_type bm;
//<-
/*
//->
bm.right[1] = "one"; // compilation error
//<-
*/
//->
bm.right.insert( bm_type::right_value_type(1,"one") );
assert( bm.right.at(1) == "one" ); // Ok
try
{
std::cout << bm.right.at(2); // throws std::out_of_range
}
catch( std::out_of_range & e ) {}
//<-
/*
//->
bm.right.at(1) = "1"; // compilation error
//<-
*/
//->
//]
}
int main()
{
first_bimap();
second_bimap();
return 0;
}