[Chicken-janitors] Re: #122: tinyclos generic mechanism gets confused by a surplus of arguments.

[Chicken Trac]

#122: tinyclos generic mechanism gets confused by a surplus of arguments.
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 Reporter:  tonysidaway        |       Owner:       
     Type:  defect             |      Status:  new  
 Priority:  major              |   Milestone:       
Component:  extensions         |     Version:  4.2.x
 Keywords:  tinyclos generics  |  
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Comment(by tonysidaway):

 To clarify, the generic dispatch mechanism should identify the call as one
 for which it has no applicable methods.  It should not call a method
 unless that method is specified so as to accept the argument list
 presented.

 Here's an example of the desired behavior as seen in another system based
 on tinyclos.  The define-method syntax is slightly different but it's
 basically the same code.

 stklos> (define-generic G)
 ;; g
 stklos> (define-method G((a <integer>)) (+ a a))
 ;; g
 stklos> (G 1)
 2
 stklos> (G 1 2)
 **** Error:
 error: no applicable method for #[<generic> g (1)]
 in call (g 1 2)
         (type ",help" for more information)

-- 
Ticket URL: <http://www.irp.oist.jp/trac/chicken/ticket/122#comment:1>
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