interval-map? ( object -- ? )

Vocabulary

interval-maps

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the interval-map class.

Definition

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

IN: interval-maps

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