Alternatives and similar repositories for contravariant

Users that are interested in contravariant are comparing it to the libraries listed below

• ekmett / profunctors
  Haskell 98 Profunctors
  ☆70Updated 2 months ago
• ekmett / either
  the EitherT monad transformer
  ☆55Updated 2 months ago
• ekmett / exceptions
  mtl friendly exceptions
  ☆52Updated 2 months ago
• ekmett / bifunctors
  Haskell 98 bifunctors, bifoldables and bitraversables
  ☆58Updated 6 months ago
• well-typed / generics-sop
  Generic Programming using True Sums of Products
  ☆162Updated last month
• vincenthz / hs-memory
  haskell memory
  ☆48Updated 2 years ago
• serokell / o-clock
  Type-safe time units in Haskell
  ☆50Updated 7 months ago
• ekmett / semigroupoids
  ☆76Updated last month
• mokus0 / monad-loops
  Some useful control operators for looping
  ☆47Updated 5 years ago
• ekmett / kan-extensions
  Kan extensions, Kan lifts, the Yoneda lemma, and (co)monads generated by a functor
  ☆80Updated 2 months ago
• tweag / distributed-closure
  Serializable closures for distributed programming.
  ☆65Updated last year
• ekmett / distributive
  Dual Traversable
  ☆42Updated 2 years ago
• vmchale / recursion_schemes
  Recursion schemes for Idris
  ☆64Updated 7 years ago
• mgsloan / store
  Fast binary serialization in Haskell
  ☆110Updated 8 months ago
• int-index / ether
  Monad Transformers and Classes
  ☆76Updated 6 years ago
• Gabriella439 / Haskell-Errors-Library
  Type-safe error handling
  ☆64Updated last year
• goldfirere / effects
  A Haskell translation of Idris's original algebraic effects library
  ☆41Updated 8 years ago
• haskellari / these
  An either-or-both data type, with corresponding hybrid error/writer monad transformer.
  ☆118Updated 3 months ago
• ekmett / comonad
  Haskell 98 comonads
  ☆77Updated 6 months ago
• IxpertaSolutions / freer-effects
  An implementation of "Freer Monads, More Extensible Effects".
  ☆64Updated 7 years ago
• hedgehogqa / haskell-hedgehog-classes
  Hedgehog will eat your typeclass bugs
  ☆56Updated 3 months ago
• isovector / type-errors
  tools for writing better type errors
  ☆73Updated last year
• Gabriella439 / Haskell-MMorph-Library
  Monad morphisms
  ☆50Updated 3 months ago
• ekmett / reflection
  Reifies arbitrary Haskell terms into types that can be reflected back into terms
  ☆103Updated 6 months ago
• rampion / kinder-functor
  An alternate definition of Haskell's Functor typeclass
  ☆42Updated 6 years ago
• jaspervdj / psqueues
  Priority Search Queues in three different flavors for Haskell
  ☆67Updated last month
• haskell-unordered-containers / hashable
  A class for types that can be converted to a hash value
  ☆104Updated 3 weeks ago
• basvandijk / monad-control
  Lift control operations, like exception catching, through monad transformers
  ☆58Updated 2 years ago
• ekmett / semigroups
  Haskell 98 semigroups
  ☆62Updated 2 years ago
• rampion / constraint-unions
  A syntax for unions of constraints in Haskell
  ☆70Updated 8 years ago