Constructs a new object of type T and wraps it in a
$(D_PSYMBOL RefCounted) using args as the parameter list for
the constructor of T.
This function is more efficient than the using of $(D_PSYMBOL RefCounted)
directly, since it allocates only ones (the internal storage and the
object).
RefCounted!TrefCounted(Allocator allocator, A args)
Constructs a new object of type T and wraps it in a $(D_PSYMBOL RefCounted) using args as the parameter list for the constructor of T.
This function is more efficient than the using of $(D_PSYMBOL RefCounted) directly, since it allocates only ones (the internal storage and the object).