#include <boost/qvm/enable_if.hpp>
namespace boost
{
namespace qvm
{
using boost::enable_if;
using boost::enable_if_c;
using boost::lazy_enable_if;
using boost::lazy_enable_if_c;
}
}
These enable_if templates are used by Boost OVM to implement SFINAE/enable_if. By default, they refer to the implementation provided in the Boost enable_if library.