[Haskell-cafe] Missing `$` like operators in Haskell

Clinton Mead clintonmead at gmail.com
Fri Dec 12 02:51:28 UTC 2014


I obviously had my table too wide in the last message, here it is again:

      -------------------------------------------------------------------
      | Function first           | Op   | Function second          | Op
-------------------------------------------------------------------------
Plain | (a -> b)   -> a   -> b   | $    | a   -> (a -> b)   -> b   |
Fnctr | (a -> b)   -> f a -> f b | <$>  | f a -> (a -> b)   -> f b |
Applc | f (a -> b) -> f a -> f b | <*>  | f a -> f (a -> b) -> f b | <**>
Monad | (a -> m b) -> m a -> m b | =<<  | m a -> (a -> m b) -> m b | >>=
-------------------------------------------------------------------------
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