A Small (Real) Example of the Reader and Writer Monads
This is an example of using the Reader and Writer monads to solve a problem which cropped up on a project I am working on.
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Another Small Example of the Type Class Pattern
I recently came across another elegant use of the type class pattern, so I thought I’d share it with here.
A Small (Real) Example of Kleisli Arrows
This is a simple example of use of a mysterious beast called a Kleisli arrow.
A Small Example of Phantom Types
Here is an example of so-called phantom types and covariance in Scala to improve type safety and correctness. The example is a simplified version from a real...
A Small Example of the Typeclass Pattern
Typeclasses are most famously a language feature of Haskell that has gained interest in the Scala community. Here I describe the basic pattern with reference...