Re: [Haskell-cafe] [ANN] ghc-typelits-knownnat-0.2: Solving GHCs KnownNat constraints

Ah. I believe I have run into such issues with Clash, requiring me to add extraneous constraints over the results of addition. I assume this is the motivating use case here? Great work on this and Typelits-natnormalise! Will

On Aug 17, 2016, at 06:11, Christiaan Baaij wrote:

If you have ever worked with `GHC.TypeLits`, then you have probably encountered an error very similar to:

...

• Could not deduce (KnownNat (n + 2)) arising from a use of ‘natVal’ from the context: KnownNat n