profunctors

Profunctors.

Official docs outline

Extra Credit builds an outline of profunctors's docs the first time your work uses it. Until then, start at the official documentation.

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optparse-applicative optparse-applicative is a haskell library for parsing options on the command line, and providing a powerful applicative interface for compos
persistent Hackage documentation generation is not reliable. For up to date documentation, please see: http://www.stackage.org/package/persistent.
blaze-markup
mmorph
haskoin-store
contravariant Contravariant functors.
streaming-commons Provides low-dependency functionality commonly needed by various streaming data libraries, such as conduit and pipes.
wai-extra Provides basic WAI handler and middleware functionality: WAI Testing Framework Hspec testing facilities and helpers for WAI. Event Source
cabal-install The 'cabal' command-line program simplifies the process of managing Haskell software by automating the fetching, configuration, compilation
free Free monads are useful for many tree-like structures and domain specific languages. If f is a Functor then the free Monad on f is the type
data-default