On Sat, Dec 27, 2008 at 8:43 AM, Yoshiki Ohshima
<yoshiki@vpri.org> wrote:
At Sat, 27 Dec 2008 00:24:02 -0800,
Vassili Bykov wrote:
>
> On Thu, Dec 25, 2008 at 7:32 PM, Yoshiki Ohshima <yoshiki@vpri.org> wrote:
> > At Wed, 24 Dec 2008 11:11:16 +0100,
> > Michael Rueger wrote:
> >>
> >> What really is the convenience of modifying an argument? Having not to
> >> think up another name? I never understood this argument especially if
> >> you need to use the original value of the argument in several places.
> >
> > If you can think of an argument as a "temp initialized by the
> > caller" (like C), that kind of unifies the args and temps and would
> > reduce the implementation complexity. In *some cases* it would reduce
> > the lines of code in the user land.
>
> Or alternatively one can think of a temp as an argument of an invisible block,
>
> | foo |
> foo := 3.
> ...
>
> being a form of
>
> [:foo | ...] value: 3.
If args are assignable, and yes you can unify methods and blocks.
But I'm pretty much convinced that debugged context being
restartable (by making args readonly) is important in practice.
-- Yoshiki
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