Combining State monad with Either-style error propagation...

Haskell State Monad...

Understanding the State Monad...

Trouble with equation for tick in Wadler, »Monads for functional programming«, section 3...

How to update the state with async requests using the state monad?...

Lifting a complete monadic action to a transformer (>>= but for Monad Transformers)...

Is it possible to have a state-either hybrid monad?...

Nested States in Haskell...

Make Haskell Imperative...

Alternative way to express StateT Functor instance definition...

A typical scenario of using flatMap in State Monad?...

StateMonad instance for TeletypeIO...

Haskell IO action in `StateT a STM b`...

Conditional state monad expressions...

Getting Gamestate value in State Monad...

Message passing concurrency in Haskell with multiple senders and receivers...

Cannot use state monad in IO context...

How can I numerate list items using State monad in Haskell?...

Generating a unique value in Haskell do-notation...

Unique id/counter in Haskell...

How to use the State Monad...

Understanding the state argument in the State Monad...

How to supply generic type for the state-monad's method...

How to understand evalState in this State Monad Haskell code snippet?...

Confusion about StateT, State and MonadState...

Handling Either and ST monads...

Real life and useful examples of Reverse State monad...

Is there an elegant way to implement this function: `(Monad m) => (s -> a -> m (s, b)) -&gt...

Efficient implementation of an error log monad...

Using State Monad turns all of my functions into monadic functions...