no-defined-persistent? ( object -- ? )

Vocabulary

db.tuples

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the no-defined-persistent class.

Definition

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

IN: db.tuples

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