+1

Was surpised/dismayed that Backwards wasn't in base when I needed it for a project that doesn't expose its transitive dependency on transformers. It seems like fundamental part of Applicative.

--Keith

On November 26, 2019 8:55:05 AM UTC, Oleg Grenrus <oleg.grenrus@iki.fi> wrote:
+1 on adding.

Slight -0.5 on re-exporting from Control.Applicative. I think there 
should be a plan of not having both Backwards in Control.Applicative and 
Control.Applicative.Backwards. Maybe there's a plan for Const which is 
exported from Control.Applicative (historically) and Data.Functor.Const.

- Oleg

On 26.11.2019 2.49, George Wilson wrote:
 I support this.
 It would require coordinating with Ross Paterson, the maintainer of
 transformers.

 On Tue, 26 Nov 2019 at 09:58, Baldur Blöndal <baldurpet@gmail.com> wrote:
 I'll CC Haskell Libraries

 þri., 12. nóv. 2019 kl. 22:14 skrifaði Ryan Scott <ryan.gl.scott@gmail.com>:
 This discussion definitely belongs on the mailing list, yes.

 Ryan

 On Tue, Nov 12, 2019 at 11:59 AM chessai . <chessai1996@gmail.com> wrote:
 I support this. +1

 Should we copy in the libraries mailing list?

 On Tue, Nov 12, 2019, 5:56 AM Baldur Blöndal <baldurpet@gmail.com> wrote:
 Is it time to move Control.Applicative.Backwards module from transformers to base, and maybe re-export it from Control.Applicative.

 It's an interesting, important, simple property of Applicative that they can be run backwards.

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