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Diffstat (limited to 'src/boost/libs/bimap/example/step_by_step.cpp')
-rw-r--r-- | src/boost/libs/bimap/example/step_by_step.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/boost/libs/bimap/example/step_by_step.cpp b/src/boost/libs/bimap/example/step_by_step.cpp new file mode 100644 index 000000000..f1f413559 --- /dev/null +++ b/src/boost/libs/bimap/example/step_by_step.cpp @@ -0,0 +1,102 @@ +// 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 <iostream> +#include <cassert> + +// A convinience header is avaiable in the boost directory: +#include <boost/bimap.hpp> + +int main() +{ + //[ code_step_by_step_definition + + typedef boost::bimap< int, std::string > bm_type; + bm_type bm; + //] + + //[ code_step_by_step_set_of_relations_view + + bm.insert( bm_type::value_type(1, "one" ) ); + bm.insert( bm_type::value_type(2, "two" ) ); + + std::cout << "There are " << bm.size() << "relations" << std::endl; + + for( bm_type::const_iterator iter = bm.begin(), iend = bm.end(); + iter != iend; ++iter ) + { + // iter->left : data : int + // iter->right : data : std::string + + std::cout << iter->left << " <--> " << iter->right << std::endl; + } + //] + + //[ code_step_by_step_left_map_view + + /*<< The type of `bm.left` is `bm_type::left_map` and the type + of `bm.right` is `bm_type::right_map` >>*/ + typedef bm_type::left_map::const_iterator left_const_iterator; + + for( left_const_iterator left_iter = bm.left.begin(), iend = bm.left.end(); + left_iter != iend; ++left_iter ) + { + // left_iter->first : key : int + // left_iter->second : data : std::string + + std::cout << left_iter->first << " --> " << left_iter->second << std::endl; + } + + /*<< `bm_type::left_`\ -type- can be used as a shortcut for the more verbose + `bm_type::left_map::`\ -type- >>*/ + bm_type::left_const_iterator left_iter = bm.left.find(2); + assert( left_iter->second == "two" ); + + /*<< This line produces the same effect of + `bm.insert( bm_type::value_type(3,"three") );` >>*/ + bm.left.insert( bm_type::left_value_type( 3, "three" ) ); + //] + + + + //[ code_step_by_step_right_map_view + + bm_type::right_const_iterator right_iter = bm.right.find("two"); + + // right_iter->first : key : std::string + // right_iter->second : data : int + + assert( right_iter->second == 2 ); + + assert( bm.right.at("one") == 1 ); + + bm.right.erase("two"); + + /*<< This line produces the same effect of + `bm.insert( bm_type::value_type(4,"four") );` >>*/ + bm.right.insert( bm_type::right_value_type( "four", 4 ) ); + //] + + return 0; +} + + |