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| #include <boost/mpl/map.hpp> | |
| #include <boost/mpl/pair.hpp> | |
| #include <boost/mpl/at.hpp> | |
| #include <boost/type_traits/is_same.hpp> | |
| #include <boost/mpl/assert.hpp> | |
| #include <cstdio> | |
| typedef boost::mpl::map< | |
| boost::mpl::pair<int,unsigned> | |
| , boost::mpl::pair<char,unsigned char> | |
| , boost::mpl::pair<int[42],bool> | |
| > m; | |
| int main() | |
| { | |
| BOOST_MPL_ASSERT(( boost::is_same< boost::mpl::at<m,int>::type, unsigned > )); | |
| boost::mpl::at<m,int>::type x; | |
| x = 5; | |
| printf("x=%u\n", x); | |
| return 0; | |
| } |
When run:
kuyu@castor-ub:~/dkuyu/Dropbox/practice/cpp/boost/mpl$ g++ -I/home/kuyu/dkuyu/bin/boost_1_60_0 map.cpp && ./a.out
x=5
