digit groups

[Neil Mitchell]

> On 10/26/06, Bulat Ziganshin <bulat.ziganshin at gmail.com> wrote:
> > are c.f. should work for polymorhic values? afaiu, it's just the
> > problem that leads to the famous monomorhism restriction. w/o type
> > specifier your expressions will got monomorhic types
>
> These are small enough to be inlined, and are almost certainly going
> to be given monomorphic types after inlining, enabling constant
> folding.

Not on Yhc or in Hugs, which has neither constant folding or inlining
(as far as I know, for Hugs). They may be free on GHC, but not in
general.

Thanks

Neil