Re: "continue/next" for "loop"

From: Georg Bauhaus (sb463ba_at_l1-hrz.uni-duisburg.de)
Date: 11/03/03 

Date: Mon, 3 Nov 2003 18:50:38 +0000 (UTC)

Lutz Donnerhacke <lutz@iks-jena.de> wrote:
: * Preben Randhol wrote:
:> Links on this: (Ada, goto and state machine)
:
: It's not a state machine. It's a "parser" which determine the end of the
: current iteration processing at a much deeper level.

Does it have to be at that low language level, then?
Why not carry abstraction further, adjust data definitions,
so that the spaghetti become more manageable? :-)
"Continue that_loop" denotes something, after all.

In addition, "Continue that_loop" might have other natural
connotations for other people, for example Perl programmers
might feel that a bare jump to some loop's start is inferior
to something like this:

  loop
      ...
      if condition then
          goto loop_end;
      end if;
      ...
    <<loop_end>>
      common_cleanup;
  end loop;

Or consult Knuth, on Structured Programming with go to Statements.
http://doi.acm.org/10.1145/356635.356640

Georg

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