Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This version of Boost is under active development. You are currently in the master branch. The current version is 1.91.0.
boost::proto::transform::result<This(Expr, State)>
// In header: <boost/proto/transform/impl.hpp>
template<typename This, typename Expr, typename State>
struct result<This(Expr, State)> {
// types
typedef typename PrimitiveTransform::template impl< Expr, State, unspecified >::result_type type;
};