nonexistent-option? ( object -- ? )

Vocabulary

regexp.parser

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the nonexistent-option class.

Definition

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

IN: regexp.parser

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