simple-class? ( object -- ? )

Vocabulary

regexp.classes

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the simple-class class.

Definition

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

IN: regexp.classes

: simple-class? ( object -- ? )
    dup dup tuple? [
        layout-of
        7
        slot
        dup
        \ range-class
        eq?
        [ drop t ]
        [ \ primitive-class eq? ]
        if
    ] [ drop f ] if [ drop t ] [ dot? ] if ;