brainfuck? ( object -- ? )

Vocabulary

brainfuck.private

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the brainfuck class.

Definition

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

IN: brainfuck.private

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