Named extensible effects - School of Haskell | School of Haskell
As of March 2020, School of Haskell has been switched to read-only mode. Monad transformers are the standard way to extend monads. The transformers package defines monad transformers. StateT, one of the representative monad transformers, has three parameters: newtype StateT s m a = StateT { runStateT :: s -> m (a, s) }The second parameter m allows you to add a new type of effect while preserving t
Part I: Dependent Types in Haskell - School of Haskell | School of Haskell
In this series, we will see how to write dependently-typed programs and prove their correctness within haskell. At first, let's start with the standard example of Vector to understand how to write the dependently-typed programs in Haskell. The topic of this series is already implemented in type-natural and sized-vector. Feel free to use and read these packages. Vectors - Avoiding Boundary Error us
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Basic Syntax Extensions - School of Haskell | School of Haskell
