change-tracking-tuple? ( object -- ? )

Vocabulary

classes.tuple.change-tracking

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the change-tracking-tuple class.

Definition

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

IN: classes.tuple.change-tracking

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