Identity

Identity

@

Stack

Stack	Position	Description
Stack(In)	Top	a
	Top 1	b
Stack(Out)	Top	TRUE or FALSE

If there is the same (identical) object on Stack-Top and Stack-Top-1, the result is TRUE on the stack; in all other cases FALSE. The latter also applies if a or b is not an object (see example).

Note: If you want to compare values, use the equivalence operator =