assoc? ( object -- ? )
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Vocabulary
assocs

Inputs and outputs

object	an object
?	a boolean

Word description
Tests if the object is an instance of the assoc class.

Definition

USING: cache classes.tuple.private env kernel kernel.private
math.private redis sequences sequences.n-based slots.private
tokyo.abstractdb tokyo.remotedb zim ;

IN: assocs

: assoc? ( object -- ? )
    dup tag 1 swap fixnum-shift-fast 0 fixnum-bitand 0 eq? not
    [ drop t ] [
        dup dup tuple? [
            layout-of
            dup
            7
            slot
            dup
            \ tokyo-remotedb
            eq?
            [ drop t ]
            [
                dup \ tokyo-abstractdb eq?
                [ drop t ] [
                    dup \ n-based-assoc eq?
                    [ drop t ] [
                        dup \ redis eq?
                        ~quotation~ ~quotation~ if
                    ] if
                ] if
            ]
            if
            [ drop t ]
            [
                dup
                1
                slot
                11
                fixnum>=
                [
                    11
                    slot
                    dup
                    \ zim
                    eq?
                    [ drop t ]
                    [ \ cache-assoc eq? ]
                    if
                ]
                [ drop f ]
                if
            ]
            if
        ] [ drop f ] if
        [ drop t ] [ dup env? [ drop t ] [ sequence? ] if ] if
    ] if ;