Files
boost_range/doc/reference/adaptors/examples/map_keys.cpp
Neil Groves b0d1db7c2e Boost.RangeEx merged into Boost.Range
[SVN r60897]
2010-03-28 16:08:35 +00:00

25 lines
545 B
C++

#include <boost/range/adaptor/map.hpp>
#include <boost/range/algorithm/copy.hpp>
#include <boost/assign.hpp>
#include <algorithm>
#include <iostream>
#include <map>
#include <vector>
int main(int argc, const char* argv[])
{
using namespace boost::assign;
using namespace boost::adaptors;
std::map<int, int> input;
for (int i = 0; i < 10; ++i)
input.insert(std::make_pair(i, i * 10));
boost::copy(
input | map_keys,
std::ostream_iterator<int>(std::cout, ","));
return 0;
}