Applicative instance for ST

Bas van Dijk v.dijk.bas at gmail.com
Tue Dec 28 14:41:24 CET 2010


On Fri, Oct 29, 2010 at 10:11 PM, Daniel Peebles <pumpkingod at gmail.com> wrote:
> Hi all,
> Strangely enough, ST has a Functor and a Monad instance, but no Applicative
> instance (I guess it was pre-Applicative). I propose to add one. It doesn't
> seem very controversial, but I guess a normal discussion period for these
> proposals is two weeks?
> Thanks,
> Dan
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>

Daniel, I believe you can move your ticket to the patch state since no
objections we're raised for adding an Applicative instance for ST:

http://hackage.haskell.org/trac/ghc/ticket/4455

Regards,

Bas



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