hashtables? ( object -- ? )

Vocabulary

bson.private

Inputs and outputs

object	an object
?	a boolean

Word description

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

Definition

USING: classes.tuple.private hashtables kernel linked-assocs
slots.private ;

IN: bson.private

: hashtables? ( object -- ? )
    dup tuple? [
        layout-of
        7
        slot
        dup
        \ linked-assoc
        eq?
        [ drop t ]
        [ \ hashtable eq? ]
        if
    ] [ drop f ] if ;