// 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 #include #include #include //[ code_bimap_and_boost_range_functions template< class ForwardReadableRange, class UnaryFunctor > UnaryFunctor for_each(const ForwardReadableRange & r, UnaryFunctor func) { typedef typename boost::range_const_iterator::type const_iterator; for(const_iterator i= boost::begin(r), iend= boost::end(r); i!=iend; ++i ) { func(*i); } return func; } template< class ForwardReadableRange, class Predicate > typename boost::range_difference::type count_if(const ForwardReadableRange & r, Predicate pred) { typedef typename boost::range_const_iterator::type const_iterator; typename boost::range_difference::type c = 0; for( const_iterator i = boost::begin(r), iend = boost::end(r); i != iend; ++i ) { if( pred(*i) ) ++c; } return c; } //] #include #include #include #include using namespace boost::bimaps; using namespace boost; //[ code_bimap_and_boost_range struct pair_printer { pair_printer(std::ostream & o) : os(o) {} template< class Pair > void operator()(const Pair & p) { os << "(" << p.first << "," << p.second << ")"; } private: std::ostream & os; }; struct second_extractor { template< class Pair > const typename Pair::second_type & operator()(const Pair & p) { return p.second; } }; int main() { typedef bimap< double, multiset_of > bm_type; bm_type bm; bm.insert( bm_type::value_type(2.5 , 1) ); bm.insert( bm_type::value_type(3.1 , 2) ); //... bm.insert( bm_type::value_type(6.4 , 4) ); bm.insert( bm_type::value_type(1.7 , 2) ); // Print all the elements of the left map view for_each( bm.left, pair_printer(std::cout) ); // Print a range of elements of the right map view for_each( bm.right.range( 2 <= _key, _key < 6 ), pair_printer(std::cout) ); // Count the number of elements where the data is equal to 2 from a // range of elements of the left map view count_if( bm.left.range( 2.3 < _key, _key < 5.4 ), bind( second_extractor(), _1 ) == 2 ); return 0; } //]