Instances from GADTs
| Run Settings | |
|---|---|
| Language | Haskell |
| Language Version | |
| Run Command |
| Snippet Metadata | |
|---|---|
| Owner | rightfold |
| Created | |
| Modified | |
| Visibility | Public |
{-# LANGUAGE GADTs #-}
{-# LANGUAGE RankNTypes #-}
data T k where
A :: Eq k => T k
g :: T k -> (Eq k => a) -> a
g A = id
f :: T k -> k -> k -> Bool
f tt x y = g tt (x == y)
main :: IO ()
main = do
print $ f (A :: T Int) 1 2
print $ f (A :: T Bool) True False
| Editor Settings | |
|---|---|
| Theme | |
| Key bindings | |
| Full width | |
| Lines |