boost/libs/parameter/test/literate/defining-the-keywords1.cpp
2021-10-05 21:37:46 +02:00

22 lines
433 B
C++

#include <boost/parameter/keyword.hpp>
namespace graphs {
namespace tag {
// keyword tag type
struct graph
{
typedef boost::parameter::forward_reference qualifier;
};
}
namespace // unnamed
{
// A reference to the keyword object
boost::parameter::keyword<tag::graph> const& _graph
= boost::parameter::keyword<tag::graph>::instance;
}
}