"for" loops (was Re: C++ vs. Modula

[Andrew Koenig]

In article <7800004 at gistdev>, flint at gistdev.UUCP writes:

> So if your user had written (hascall's previous example below)
> >       do i=0.0, 4.0, 2.0/3.0
> you just multiply everything by 3 to convert it into this:
>         do i=0,12,2
>         float=i/3.0

Sure, this could be done.  It has a nasty side effect, though:

	do i = 0.0, 4.0, 2.0/3.0

will mean something different from

	x = 2.0
	y = 3.0
	do i = 0.0, 4.0, x/y

I would rather have a system whose behavior doesn't change when
I replace a value by another identical value.
-- 
				--Andrew Koenig
				  ark at europa.att.com