Top Tweets for #HaskellHistory
“In the original definition of Haskell there was automatic deriving. If you left out the deriving clause you would get as much as possible. ⟨…⟩”
https://t.co/ar54nfApV5
In Praise of Higher Order Functions https://t.co/dgS6XdyH5j
#InstanceSigs #SuperfluousParens #HaskellHistory #SPJSpareMomentFeature ;P
instance Functor ((->) a) where
fmap :: (b -> b') -> ((a -> b) -> (a -> b'))
fmap = (.) https://t.co/4rl4necjbN
@JohnRHeaton As for InstanceSigs
· It should have been there from the get go but overlooked I guess
· Proposed 7 years ago (https://t.co/O11iemeFKu)
· Added to GHC 7.6
· Implemented by @simonpj0 "in a spare moment" (as MANY things are!)
· Deserves to be better known, a great learning tool

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