From: dmitry6243@my-dejanews.com
Subject: Valued procedures
Date: 1999/01/21
Date: 1999-01-21T00:00:00+00:00 [thread overview]
Message-ID: <786pfu$1vb$1@nnrp1.dejanews.com> (raw)
Hi All!
I do not want to restart this weary thread again. Just a question: was the
following alternative (which seems to be a good compromise with rigouristic
point of view) ever considered:
Let's allow, for instance:
procedure SideEffect (X: in out State) return Boolean; -- Valid
but
function SideEffect (X: in out State) return Boolean; -- Invalid
Further, I believe it should be possible to ignore the result of a procedure.
(Using Ada bindings would be much less painful and produce clearer code if you
were not forced to declare tonns of dummy variables just to ignore various
unused results.) So that either
(a) SideEffect (TheState);
would be valid, or
(b) the null statement could have a form:
null <any-expression>; -- The result is explicitly ignored
Regards,
Dmitry Kazakov
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next reply other threads:[~1999-01-21 0:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-21 0:00 dmitry6243 [this message]
1999-01-21 0:00 ` Valued procedures dennison
1999-01-21 0:00 ` robert_dewar
1999-01-21 0:00 ` dennison
1999-01-25 0:00 ` dmitry6243
1999-01-25 0:00 ` robert_dewar
1999-01-21 0:00 ` robert_dewar
1999-01-21 0:00 ` adam
1999-01-22 0:00 ` adam
1999-01-22 0:00 ` Tucker Taft
1999-01-21 0:00 ` robert_dewar
1999-01-21 0:00 ` Tom Moran
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