edges-in-different-faces? ( object -- ? )

Vocabulary

euler.operators

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the edges-in-different-faces class.

Definition

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

IN: euler.operators

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