Re: How to make like Fortran "do i = 1,20,2"

[Kilgallen@eisner.decus.org.nospam (Larry Kilgallen)]

In article <39805669.3E7CF6CF@lmtas.lmco.com>, Gary Scott <Gary.L.Scott@lmtas.lmco.com> writes:
> Hmmm, these and similar examples posted do not make Ada look very
> elegant...it makes a very simple concept seem somewhat convoluted.
> 
> Larry Kilgallen wrote:

Well _mine_ may have looked convoluted, but the one from Des Walker
was spot on.

The original Fortran was dealing with groups of two but not grouping
them and instead coding a solution more like machine language.  It is
possible to write Fortran in Ada, but you shouldn't.

> Often wanting to process data in this manner would suggest that there
> might be a more meaningful way to express the structure of the data.
> A lot of effort can be spent in Ada designing good data types which
> makes it simple to write safe code.
> 
> If the two element blocks of your array hold, say, a coordinate pair
> you might have
> 
> type coordinate is record
>   X,Y : integer;
> end record;

etc.