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Thomas Letan
lthms · he/him

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haskell

Extensible Type-Safe Error Handling in Haskell (

Ever heard of “extensible effects?” By applying the same principle, but for error handling, the result is nice, type-safe API for Haskell, with a lot of GHC magic under the hood.

Monad Transformers are a Great Abstraction (

Monads are hard to get right, monad transformers are harder. Yet, they remain a very powerful abstraction.

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