(astar)? ( object -- ? )

Vocabulary

path-finding.private

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the (astar) class.

Definition

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

IN: path-finding.private

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