Monad Transformers and Effects with Backpack

This page summarizes the projects mentioned and recommended in the original post on reddit.com/r/haskell

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  • ghc-proposals

    Proposed compiler and language changes for GHC and GHC/Haskell

  • effet

    An effect system based on type classes, written in Haskell.

    Interesting, thank you for writing this up. I tried something very very similar before writing effet, but while working with Backpack, I was constantly questioning the ergonomics of it all (in the context of writing effects), and ultimately decided that it is not worth it and abandonded the idea.

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  • backpackified-effects-playground

    effect libraries + backpack

    What would be the advantage of having signatures of such fine granularity vs. having a big signature for your program logic which describes a monad with all the required MonadState, MonadReader... interfaces, and then an implementation module which assembles the whole monad transformer stack in the usual way? Something a bit like this?

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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