[Haskell-cafe] [ANN] acme-dont-1.2 - a "don't" construct

[Joachim Breitner]

Hi,

Am Mittwoch, den 01.04.2020, 14:33 +0100 schrieb Richard Eisenberg:
> Perhaps with https://github.com/ghc-proposals/ghc-proposals/pull/216,
> we can have `Not.do` introduce an indentation-aware block of
> comments. This would surely show off the power, elegance, and beauty
> of Haskell.

Unfortunately, not:

  Not.do print "Hello"

will still desguar to 

> 
> Richard
> 
> > On Apr 1, 2020, at 9:38 AM, Jack Kelly <jack at jackkelly.name> wrote:
> > 
> > Hello all,
> > 
> > I have taken over the maintainership of acme-dont, and am pleased to
> > announce a new acme-dont release on Hackage[1].
> > 
> > 
> > acme-dont provides a `don't` function, which does not execute its
> > argument. For example, the following code will not print anything:
> > 
> >    import Acme.Dont (don't)
> > 
> >    quiet :: IO ()
> >    quiet = don't $ putStrLn "You'll never see this on stdout"
> > 
> > 
> > New in this release:
> > 
> > * `don't` has been generalised from `Monad` to `Applicative`. If you
> >  have been waiting since GHC 8.0.1's release in 2016[2] to use `don't` with
> >  `-XApplicativeDo`, wait no longer.
> > 
> > * A test suite, to ensure that `don't` does not do anything. Previous
> >  versions could have been defined as `don't = void` for all we knew.
> > 
> > 
> > Also, the acme-dont community now has a new home on sourcehut. On there,
> > you can find the following invaluable resources:
> > 
> > * A source repository[3], to track further developement and new ways of
> >  not doing things, with a commit history reconstructed from the release
> >  tarballs uploaded to Hackage.
> > 
> > * A mailing list[4] for the acme-dont community to discuss the best ways
> >  of not doing things.
> > 
> > * A bug tracker[5] to handle reports, in case someone observes acme-dont
> >  doing something.
> > 
> > * Continuous integration[6], to ensure that acme-dont continues to not
> >  do things across multiple versions of GHC.
> > 
> > 
> > I would like to thank Gracjan Polak for uploading the initial releases
> > of `acme-dont`, and for maintaining the package these past eleven
> > years. I do not intend to betray the responsibility he has assigned me
> > in handing over this critical package.
> > 
> > Best,
> > 
> > -- Jack
> > 
> > [1]: https://hackage.haskell.org/package/acme-dont-1.2
> > [2]: https://www.haskell.org/ghc/download_ghc_8_0_1
> > [3]: https://git.sr.ht/~jack/acme-dont
> > [4]: https://lists.sr.ht/~jack/acme-dont-discuss
> > [5]: https://todo.sr.ht/~jack/acme-dont
> > [6]: https://builds.sr.ht/~jack/acme-dont
> > _______________________________________________
> > Haskell-Cafe mailing list
> > To (un)subscribe, modify options or view archives go to:
> > http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
> > Only members subscribed via the mailman list are allowed to post.
> 
> _______________________________________________
> Haskell-Cafe mailing list
> To (un)subscribe, modify options or view archives go to:
> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
> Only members subscribed via the mailman list are allowed to post.
-- 
Joachim Breitner
  mail at joachim-breitner.de
  http://www.joachim-breitner.de/