'Instance functor' presentation slideshows

Odds and Ends in Haskell: Folding, I/O, and Functors

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Grab Bag of Interesting Stuff

Grab Bag of Interesting Stuff. Higher Order types. Type constructors are higher order since they take types as input and return types as output. Some type constructors (and also some class definitions) are even higher order, since they take type constructors as arguments.

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Functors in Haskell

Functors in Haskell. Adapted from material by Miran Lipovaca. Functors. Functors are a typeclass, just like Ord, Eq, Show, and all the others. This one is designed to hold things that can be mapped over; for example, lists are part of this typeclass. class Functor f where

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Lecture #17, Dec. 1, 2004

Lecture #17, Dec. 1, 2004. Todays Topics Higher Order types Type constructors that take types as arguments Functor Monad MonadPlus and MonadZero Reading Assignment Read Chapter 18 - Higher Order types Last homework assigned today. See webpage. Due Wednesday Dec. 8, 2004.

306 views • 19 slides