SDL-News: Doldi's book example with Cinderella

Subject: SDL-News: Doldi's book example with Cinderella
From: Margarita de Cabo Pérez (
Date: Mon Sep 22 2003 - 09:25:39 GMT

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I want to use a Choice type in Cinderella, I try Doldi's book example in
fig:288, it works fine for the data type definition of Msg and assigment
of a
value to a variable of that type, m1, but Cinderella complains about the
implicit field Present. Is it something wrong with the example or
does Cinderella not support Present? If Cinderella does not support
Present how can I guess the part of the Choice that is filled?

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