invalid-op? ( object -- ? )

Vocabulary

infix.private

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the invalid-op class.

Definition

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

IN: infix.private

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