[Uim-bugs] [Bug 3689] #f check is not done by nth

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https://bugs.freedesktop.org/show_bug.cgi?id=3689          
     




------- Additional Comments From yamaken at bp.iij4u.or.jp  2005-07-05 05:14 -------
I decline the change since your code of r922 has a design error. See following
example.

(define-record 'foo
  '((initialized? #f)))
(define rec (foo-new))

(foo-initialized? rec)  ==> #f
(foo-initialized? #f)   ==> #f

The two results can't be distinguished by its caller. Although latter form
outputs error message for human, the caller code can't detect it.

To avoid this ambiguity, explicit #f check preceding foo-initialized? is
required as follows.

(if rec
    (foo-initialized? rec)
    (error-handlings))

I decline the design error and you should repair your own code as above. I'll
debug my codes when you found something wrong other than yours.
          
     
     
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