ghc-typelits-extra-0.1: README.md

# ghc-typelits-extra

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Extra type-level operations on GHC.TypeLits.Nat and a custom solver implemented
as a GHC type-checker plugin:

* `GHC.TypeLits.Extra.GCD`: a type-level `gcd`
* `GHC.TypeLits.Extra.CLog`: type-level equivalent of `clog x y = ceiling (logBase x y)`