value-type? ( object -- ? )

Vocabulary

alien.c-types

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the value-type class.

Definition

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

IN: alien.c-types

: value-type? ( object -- ? )
    dup tag 2 eq?
    [ drop t ] [
        dup
        tuple?
        [
            layout-of
            dup
            1
            slot
            9
            fixnum>=
            [ 9 slot \ struct-c-type eq? ]
            [ drop f ]
            if
        ]
        [ drop f ]
        if
    ] if ;