https://github.com/bitemyapp/learnhaskell/blob/master/dialogues.md#transducers https://github.com/bitemyapp/learnhaskell/blob/master/dialog... > a transducer i

https://github.com/bitemyapp/learnhaskell/blob/master/dialogues.md#transducers https://github.com/bitemyapp/learnhaskell/blob/master/dialog... > a transducer is recognizing that the signature of foldl splits > type Transducer a b = forall r. (r -> b -> r) -> (r -> a -> r) > they compose like lenses