no-such-color? ( object -- ? )


Vocabulary
colors.constants

Inputs and outputs
objectan object
?a boolean


Word description
Tests if the object is an instance of the no-such-color class.

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

IN: colors.constants

: no-such-color? ( object -- ? )
dup tuple?
[ layout-of 7 slot \ no-such-color eq? ] [ drop f ] if ;