Blog articles/Monads

Monads

• The monad laws
• The Trivial Monad
• Tracking tainted data: Homeland Security Threat Level Monad
• Monads: a field guide
• Variable substitution gives a ... monad
• The monad behind every zipper
• Monads for vector spaces, probability and quantum mechanics pt. I
• Monads, Vector Spaces and Quantum Mechanics pt. II
• How to write tolerably efficient optimzation code without really trying...
• Monads from Algebra and the the Gray Code from Groups
• Monads, Kleisli Arrows, Comonads and other Rambling Thoughts
• Quick interpreters with the Reader monad
• Monads
• More on Haskell, Side Effects and Code Reuse
• A First Step Into Monads
• More Monads: Stateful Programming
• The theory of monads
• A newbie in Haskell land or another monad tutorial
• A newbie in Haskell land : The (->) monad
• Smart classification using Bayesian monads
• 3 open problems with monads
• Monads in 15 minutes: Backtracking and Maybe
• How to make Data.Set a monad
• Monads work because they have a tight interface
• Haskell: bootstrapping into a clue about monads
• Why monads matter
• Monads through Pictures
• Monads as universe helpers
• Simple state monad
• repeat and sequence
• What's a monad?
• Parameterized Monads in Haskell
• Monads! (and Why Monad Tutorials Are All Awful)
• Monads as computation
• Monads are hard to teach
• Haskell State Accessors (second attempt: Composability)

Monad transformers

• A twisted history of monad transformers
• How To Use Monad Transformers
• Local and global side effects with monad transformers
• Grok monad transformers
• A Simple Game with StateT

Continuation monads

• Continuing with Continuations

Arrows

• Concatenative programming in Haskell's Arrows
• Arrows and security
• Run length encoding in Haskell
• Haskell: Explaining Arrows through XML Transformations
• Playing with Arrows
• My Evolution as a Haskell Programmer: Factorial with Arrows

Comonads

• Comonads and reading from the future
• Evaluating cellular automata is co-monadic
• Understanding comonads

Applicative Functors

Nobody has written blog articles on applicative functors - so how about a functional pearl:

• [www.soi.city.ac.uk/~ross/papers/Applicative.pdf Applicative Programming with Effects]

Further reading

• Research papers on monads, comonads and arrows
• Wiki articles about monads
• Understanding monads
• Advanced monads
• Monad transformers