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Re: restart-case, restart-bind (MCL 2.0b1p2)
- To: spector@cs.UMD.EDU (Lee Spector)
- Subject: Re: restart-case, restart-bind (MCL 2.0b1p2)
- From: Gary Byers <gb>
- Date: Wed, 15 May 91 12:35:49 EDT
- Cc: email@example.com
- In-reply-to: <9105151443.AA11301@mimsy.UMD.EDU>; from "Lee Spector" at May 15, 91 10:43 am
> Thanks for the advice that got RESTART-CASE working in MCL 2.0b1p2.
> I put (defconstant ccl::$v_istruct 44) in my init.Lisp.
> Incidently, I thought, "why not just load lispequ.lisp at init
> time, to avoid other potential problems," but this results in
> other unbound variable errors (at least $T_VECTOR and $T_LFUN)
> that I was unable to track down. If anyone has any insight into
> this I'd appreciate hearing it.
> However, I still can't get RESTART-BIND working. There aren't many
> examples in CLtL2, but as far as I can tell this should cause a
> break, providing the option of a "Print Hello" restart:
> [Please let me know if this is just a syntax error! I've tried
> all variants that seemed consistent with CLtL2.]
> ? (restart-bind ((nil #'(lambda () (print "Hello"))
> #'(lambda (stream)
> (format stream "Print Hello"))))
> ;Compiler warnings :
> ; Unknown declaration (DYNAMIC-EXTENT
> (CCL::%CONS-RESTART NIL NIL NIL NIL NIL))), in an anonymous lambda form.
> ; Undefined function #:NIL, in an anonymous lambda form.
> ; Unused lexical variable #:NIL, in an anonymous lambda form.
> > Error: Undefined function #:NIL called with arguments (#<RESTART NIL
> > #x304A19>) .
> > While executing: #<Anonymous Function #x3041B6>
> > Type Command-/ to continue, Command-. to abort.
> > If continued: Retry applying #:NIL to (#<RESTART NIL #x304A19>).
> See the Restarts menu item for further choices.
> 1 >
> Again, thanks for any advice you can provide!
> -Lee (firstname.lastname@example.org)
It was indeed a syntax error (actually, several of them.) Ours, not yours.
I think that this version makes a bit more sense; sorry.
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