Meaning? I sent this message weeks ago.


On May 21, 2009, at 12:36 PM, Robby Findler wrote:

I was doing similar things when Matthew sent his message. Guess it
pays to have written the error messages, eh?  :)

Thanks, Matthew.

Robby

On Thu, May 21, 2009 at 11:35 AM, Matthias Felleisen
<matth...@ccs.neu.edu> wrote:

The following program triggers the error.

#lang scheme/load

(module draw-sig.ss scheme
 (provide draw^)
 (define-signature draw^()))


(module big-draw.ss scheme

 (require lang/posn
          mzlib/unit
          mred
          mred/mred-unit
          graphics/graphics-sig
          graphics/graphics-posn-less-unit)

 (define-values/invoke-unit/infer
   (export graphics^)
   (link graphics-posn-less@ standard-mred@))

 (provide-signature-elements graphics^)
 )

(module a scheme
 (require 'draw-sig.ss 'big-draw.ss mzlib/unit)
 (provide-signature-elements draw^))

(require 'a)



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