gml-stack-underflow? ( object -- ? )

Vocabulary

gml.runtime

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the gml-stack-underflow class.

Definition

USING: classes.tuple.private kernel slots.private ;

IN: gml.runtime

: gml-stack-underflow? ( object -- ? )
    dup tuple?
    [ layout-of 7 slot \ gml-stack-underflow eq? ] [ drop f ] if
    ;