#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.