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type checking on structure slot access

To: allegro-cl@ucbvax.Berkeley.EDU
Subject: type checking on structure slot access
From: Jean-Francois Rit <rit@killdeer.Stanford.EDU>
Date: Fri, 20 Jul 1990 19:47:46 -0400
Reply-to: rit@killdeer.stanford.edu (Jean-Francois Rit)

Is there a way to have type checking so that this kind of thing does not
happen? 

<cl 74> (defstruct struct-a slot)

STRUCT-A 
<cl 75> (defstruct struct-b slotb)

STRUCT-B 

<cl 77> (struct-b-slotb (make-struct-a :slot 2))

2 


JF

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