[Oberon] Multiple RETURN in a procedure
cfbsoftware at gmail.com
Mon Oct 24 07:07:51 CEST 2022
On Mon, Oct 24, 2022 at 2:13 PM Andreas Pirklbauer <
andreas_pirklbauer at yahoo.com> wrote:
> > Wirth apparently believed the improvement to the language outweighed
> > the effort of having to rework it for project Oberon 2013 - and he had
> > choice I thank him for having the courage of his convictions.
> For TextFrames the effort was rather small though. The only place with
> multiple returns was a single procedure (procedure Min(i,j) incidentally.).
Hmm... you are right - the original version of TextFrames.Edit in the book
was not significantly affected by this issue. The multiple RETURNs must
have been added to the code later.
I was actually looking at source code downloaded from ETH. This source code
is dated 1994 and is accompanied by the note:
"This directory contains the sources of the Oberon System version 4
for Ceres-2 Workstations. They replace the earlier version 1 sources
in the book "Project Oberon" from N. Wirth & J. Gutknecht."
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