Re: [ANNOUNCE] GHC 8.4.1-rc1 available

Hi Ben, > What you are seeing isn't a warning, it's an error. > 8.4.1 throws errors for Monoids missing Semigroup instances not because > of -Wsemigroup but rather because Semigroup is now a superclass of > Monoid. > > -Wsemigroup will likely be deprecated in a future release now since > we've

Re: [ANNOUNCE] GHC 8.4.1-rc1 available

Kazu Yamamoto (山本和彦) writes: > Hello Ben, > Hi Kazu, >> As always, do let us know if you encounter any trouble in the course of >> testing. Thanks for your help! > > I tried GHC 8.4.1rc1 to understand how SemigroupMonoid and MonadFail > proposals work. > > GHC 8.4.1rc1 surely

Re: End of Windows Vista support in GHC-8.6?

On Wed, Mar 7, 2018 at 8:10 AM, Phyx wrote: > In my experience to get a 32 bit build you need to > install the full 32bit msys2. Not just the 32bit compiler in the 64 bit > msys2 (two installs can co-exist). That's also my experience on appveyor (but I'm not compiling GHC