vocab-spec? ( object -- ? )

Vocabulary

vocabs

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the vocab-spec class.

Definition

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

IN: vocabs

: vocab-spec? ( object -- ? )
    dup tuple? [
        layout-of
        dup
        7
        slot
        \ vocab-link
        eq?
        [ drop t ]
        [
            dup
            1
            slot
            9
            fixnum>=
            [ 9 slot \ vocab eq? ]
            [ drop f ]
            if
        ]
        if
    ] [ drop f ] if ;