Enum member isFunctor
Evaluates to true if T is a functor, i.e. a class or struct with an opCall method.
enum isFunctor(T)
= is(typeof(T .opCall) == return);
Evaluates to true if T is a functor, i.e. a class or struct with an opCall method.
enum isFunctor(T)
= is(typeof(T .opCall) == return);