Haskell 98 Profunctors (by ekmett)

Profunctors Alternatives

Similar projects and alternatives to profunctors

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better profunctors alternative or higher similarity.

profunctors reviews and mentions

Posts with mentions or reviews of profunctors. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-10-03.
  • How to use PostgreSQL with Haskell: hasql
    6 projects | | 3 Oct 2023
    We’ll also use contravariant-extras, vector, profunctors, and tuple packages to make a few things tidier (this isn’t required; it’s all copy-paste anyway).
  • The Haskell Unfolder Episode 2: quantified constraints
    3 projects | /r/haskell | 3 May 2023
    Edward Kmett already added a superclass to Profunctor, but releasing this got stalled
  • Alternative to arrows?
    3 projects | /r/haskell | 30 Mar 2022
    One of the main problems with the Arrow hierarchy is that it’s not particularly well-factored. The main Arrow class has five methods, which is both intimidating to newcomers and indicative that there’s some decomplection that can be done. I think the best alternative is to use the profunctors package; it deals much more fluently with things that can take values and then return them (functions, Kleisli arrows, etc). For example, the Arrow class is broken down across Profunctor and Strong. I had a term rewriting engine that used arrows, and I was never really happy with it until I moved it to profunctors.
  • Why kind-level foralls don't interact with ScopedTypeVariables
    2 projects | /r/haskell | 5 Apr 2021
    Indeed, that is a somewhat contrived example that is meant to illustrate that ScopedTypeVariables aren't just limited to standalone type signature declarations—they can also be used in arbitrary subexpressions as well. Whether you prefer to use type signature declarations or expression type signatures largely depends on your personal tastes, but both styles are used in the "real world". For instance, here is one example of a use of expression type signatures + ScopedTypeVariables in the profunctors library.¹
  • A note from our sponsor - SaaSHub | 29 May 2024
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