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What Haskell
taught us
when we were
not looking
Eric Torreborre
MICHAEL SNOYMAN
Lazy
Pure
square x = x * x
Command
Template method
Action
First-class functions!
Comparator
Callable
FileFilter
Use functions to
We're moving away from OO!
Last nail in the coffin?
Smart functions
Dumb data
Subtyping
List[A]
Option[A]
Future[A]
Either[B, A]
M[A]
flatMap[A, B](ma: M[A],
f: A => M[B]): M[B]
M[A]
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking
What haskell taught us when we were not looking

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What haskell taught us when we were not looking