snake-game? ( object -- ? )

Vocabulary

snake-game.game

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the snake-game class.

Definition

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

IN: snake-game.game

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