Re: [Haskell-cafe] MRP, 3-year-support-window, and the non-requirement of CPP

On Wed, Oct 7, 2015 at 3:35 AM, Herbert Valerio Riedel wrote: > --8<---cut here---start->8--- > import Control.Applicative as A (Applicative(..)) > > data Maybe' a = Nothing' | Just' a > > instance Functor Maybe' where > fmap f (Just' v) =

Re: [Haskell-cafe] MRP, 3-year-support-window, and the non-requirement of CPP

On Tue, Oct 6, 2015 at 3:02 PM, Malcolm Wallace wrote: > > On 6 Oct 2015, at 17:47, Herbert Valerio Riedel wrote: > > At the risk of stating the obvious: I don't think it matters from which > > group a given argument comes from as its validity doesn't depend on the > >

Re: [Haskell-cafe] MRP, 3-year-support-window, and the non-requirement of CPP

The part of the MRP proposal that I actively care about because it fixes a situation that *actually causes harm* is moving (>>) to the top level. Why? Right now (*>) and (>>) have different default definitions. This means that code runs often with different asymptotics depending on which one you

Re: [Haskell-cafe] MRP, 3-year-support-window, and the non-requirement of CPP

On Tue, Oct 6, 2015 at 1:41 PM, Sven Panne wrote: > 2015-10-06 18:47 GMT+02:00 Herbert Valerio Riedel : > >> [...] That's because -Wall-hygiene (w/o opting out of harmless) warnings >> > across multiple GHC versions is not considered a show-stopper. >> > >

Re: [Haskell-cafe] MRP, 3-year-support-window, and the non-requirement of CPP

On Sat, Oct 10, 2015 at 4:12 PM, Yuras Shumovich wrote: > On Sat, 2015-10-10 at 15:25 -0400, Edward Kmett wrote: > > The part of the MRP proposal that I actively care about because it > > fixes a > > situation that *actually causes harm* is moving (>>) to the top > > level.

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