natural-transformation

A natural transformation package. https://github.com/ku-fpg/natural-transformation

Version on this page:0.4
LTS Haskell 8.15:0.4
Stackage Nightly 2017-05-24:0.4
Latest on Hackage:0.4
BSD3 licensed by Andy Gill
Maintained by Andy Gill

Module documentation for 0.4

natural-transformation Hackage version Build Status

A natural transformation transforms a container f a into another container g a. Natural transformations act as functor morphisms in category theory. Technically, f and g should be functors, but we allow any correctly-shaped structure.

Changes

0.4

  • Rename Nat constructor to NT
  • Rename run to unwrapNT
  • Rename nat to wrapNT
  • Backport the Semigroup instance for (:~>) by conditionally depending on the semigroups package

0.3.1

  • Adding run and nat.

0.3

  • Adding Object
  • Rolled Control.Transformation into Control.Natural
  • Added RULES module
  • Required GHC 7.8 or greater
  • Semigroup instance for (:~>) on GHC 8.0 and up

0.2

  • Require GHC 7.6 or greater
  • Exposed ~> type synonym

0.1

  • Initial commit
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