can't-nest-definitions? ( object -- ? )

Vocabulary

effects.parser

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the can't-nest-definitions class.

Definition

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

IN: effects.parser

: can't-nest-definitions? ( object -- ? )
    dup tuple?
    [ layout-of 7 slot \ can't-nest-definitions eq? ] [ drop f ]
    if ;