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From: Matthew Heaney <matthew_heaney@acm.org>
Subject: Re: How to implement a continue statement in Ada?
Date: 1998/09/01
Message-ID: <m3ww7o6wdq.fsf@mheaney.ni.net>#1/1
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Sender: matt@mheaney.ni.net
References: <35EA8153.7BFC91E3@physics.purdue.edu>
 <EACHUS.98Aug31181809@spectre.mitre.org>
 <35EB6C10.D85EBCF2@physics.purdue.edu>
NNTP-Posting-Date: Tue, 01 Sep 1998 08:54:33 PDT
Newsgroups: comp.lang.ada
Date: 1998-09-01T00:00:00+00:00
List-Id: <comp.lang.ada>

"Robert T. Sagris" <robs@physics.purdue.edu> writes:

> What I was asking; how would implement the code given, which really is
> just a general example, in Ada. Specifically so you could use it any
> any loop were you needed to skip an iteration.

As has been pointed out, THE way to implement continue in Ada is to use
a goto:

for I in X .. Y loop
   <do some work>

   if P then
      goto Continue;
   end if;

   <do some more work>

   <<Continue>> null;
end loop;


As Robert pointed out, if you label the loop, then you can include the
loop label in the name of the target of the goto (this is a stylistic
convention):

Paint_House:
for I in X .. Y loop
   <do some work>

   if P then
      goto Continue_Paint_House;
   end if;

   <do some more work>

   <<Continue_Paint_House>> null;
end loop Paint_House;