squares: The double category of Hask functors and profunctors

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A library for working with natural transformations of type

forall a b. p a b -> q (f a) (g b)

See the Data.Square module for an introduction.


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Versions 0, 0.0.1, 0.1, 0.1.1, 0.1.1, 0.2, 0.2.1
Change log CHANGELOG.md
Dependencies adjunctions (>=4 && <5), base (>=4.9 && <5), bifunctors (>=5 && <6), comonad (>=5 && <6), distributive (>=0.6 && <0.7), profunctors (>=5 && <6) [details]
License BSD-3-Clause
Author Sjoerd Visscher
Maintainer sjoerd@w3future.com
Category Math
Home page https://github.com/sjoerdvisscher/squares
Bug tracker https://github.com/sjoerdvisscher/squares/issues
Source repo head: git clone git://github.com/sjoerdvisscher/squares.git
Uploaded by SjoerdVisscher at 2020-05-27T16:10:50Z

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Readme for squares-0.1.1

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squares

squares is a library for working with natural transformations of type forall a b. p a b -> q (f a) (g b). These are squares in the double category of Haskell functors and profunctors.

See the Data.Square module for an introduction.