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struct? ( object -- ? )


Vocabulary
classes.struct

Inputs and outputs
objectan object
?a boolean


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

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

IN: classes.struct

: struct? ( object -- ? )
dup tuple? [ layout-of 7 slot \ struct eq? ] [ drop f ] if
;