View Word: DUP$

Word Name:

DUP$

Type:

Standard word

Data Stack Signature:

-- / ss: s1 -- s1 s1

Return Stack Signature:

--

Availability:

V1.2

Description:

Duplicates the topmost string on the string stack.

Example:

$" Hello!" DUP$ $.s \ push Hello! to the string stack, duplicate it, and display the string stack.

Comment:

A run-time error shall occur if the string stack is empty, or is there is insufficient space on the string stack to accomdate the string.

See Also:

DUP