Fractional precedences? Re: Operator precedence help

[Carter Schonwald]

Oh yeah!
I feel like everyone’s wondered about that approach. But it definitely
would need some experiments to validate. But in some ways it’d be super
fascinating.

On Mon, Aug 17, 2020 at 9:40 AM Henning Thielemann <
lemming at henning-thielemann.de> wrote:

>
> On Sun, 16 Aug 2020, Carter Schonwald wrote:
>
> > I do think that the work needed to actually support fractional
> > precedence in ghc is pretty minimal.  Or at least I remember having a
> > conversation about it a few years ago, and the conclusion was that
> >  adding precedence would be super easy to do, but just lacked any good
> > motivating example from real libraries.
>
> I remember this discussion, too, and I guess that it was started by Simon
> Marlow and it ended with recalling that decades ago something more
> advanced was discussed: Groups of equal precedence and relations between
> the groups. But that one was too complicated to be implemented.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/libraries/attachments/20200817/51d70154/attachment.html>