no-negative-shape-components? ( object -- ? )

Vocabulary

arrays.shaped

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the no-negative-shape-components class.

Definition

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

IN: arrays.shaped

: no-negative-shape-components? ( object -- ? )
    dup tuple?
    [ layout-of 7 slot \ no-negative-shape-components eq? ]
    [ drop f ] if ;