Re: checking a loop execution

[Geoff Bull <gbull@acenet.com.au>]

pumilia@my-deja.com wrote:
> 
> Is there a way to check if a loop has been exited before completion or
> if all iterations have been performed?
> In fortran the loop index is increased one last time, at the end of
> the loop, but in Ada that trick cannot be exploited; the index is not
> even defined outside the loop.
> I could add a control variable (ivar, in my example) to take care of the
> iteration number when exiting, but that would decrease the peformance
> of my algorithm
> 
> Example
> 
> procedure loop_test  is
> 
> ivar : integer;
> 
> begin
>  for i in 1 .. 10 loop
>  if <condition>  then
>   ivar := i;
>   exit ;
>  end if ;
>  end loop;
>  put(ivar,2);
> end loop_test;
> 
> thank you for your suggestions
 
I can't see why th solution you have proposed would cause a
performance problem, but another solution would be to use a
while loop.