rule? ( object -- ? )

Vocabulary

xmode.rules

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the rule class.

Definition

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

IN: xmode.rules

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