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RE: [Gm2] Returning a string constant

From: Breeden, Thomas (tmb)
Subject: RE: [Gm2] Returning a string constant
Date: Mon, 27 Oct 2008 09:10:12 -0400

Hi all,

Actually, in ISO Standard Modula-2, it is legal.

One of the changes made from Wirth's definition of the language is that 
functions can
return structured types.

I tried the test program out in my copy of the late, lamented, Stony Brook 
compiler and
it compiled and ran perfectly.

I'm pretty much in sympathy with all the arguments against, but I feel that it 
would be
better for M2 if GM2 did implement the ISO standard.




   ISO/IEC 10514-1, the standard for Modula-2: changes, clarifications and 
   Source       ACM SIGPLAN Notices archive
   Volume 31 ,  Issue 8  (August 1996)
   Pages: 84 - 95
   Year of Publication: 1996
      M. Schönhacker     Vienna University of Technology, Austria
      C. Pronk   Delft University of Technology, The Netherlands
      ACM  New York, NY, USA

> -----Original Message-----
> From: address@hidden [mailto:gm2-
> address@hidden On Behalf Of Andreas Fischlin
> Sent: October 26, 2008 10:26 AM
> To: Scott Robinson
> Cc: address@hidden
> Subject: Re: [Gm2] Returning a string constant
> Dear Scott,
> In standard Modula-2 yes, this is illegal. Wirth (1983) writes on p.
> 52: "Only one value, however, can be returned as the result of a
> function. This value, moreover, cannot be of a structured type."

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