product-sequence? ( object -- ? )

Vocabulary

sequences.product

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the product-sequence class.

Definition

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

IN: sequences.product

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