empty-error? ( object -- ? )

Vocabulary

persistent.vectors

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the empty-error class.

Definition

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

IN: persistent.vectors

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