squares: The double category of Hask functors and profunctors

[ bsd3, category-theory, library, math ] [ Propose Tags ] [ Report a vulnerability ]

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.

[Skip to Readme]

Modules

[Index] [Quick Jump]

Control
- Arrow
  - Control.Arrow.Square
- Comonad
  - Control.Comonad.Square
- Monad
  - Control.Monad.Square
Data
- Distributive
  - Data.Distributive.Square
- Foldable
  - Data.Foldable.Square
- Functor
  - Adjunction
    - Data.Functor.Adjunction.Square
  - Compose
    - Data.Functor.Compose.List
  - Kan
    - Data.Functor.Kan.Square
  - Rep
    - Data.Functor.Rep.Square
  - Data.Functor.Square
- Profunctor
  - Composition
    - Data.Profunctor.Composition.List
  - Kan
    - Data.Profunctor.Kan.Square
  - Data.Profunctor.Square
- Data.Square
- Traversable
  - Data.Traversable.Square
- Type
  - Data.Type.List

Downloads

squares-0.2.1.tar.gz [browse] (Cabal source package)
Package description (as included in the package)

Maintainer's Corner

Package maintainers

SjoerdVisscher

For package maintainers and hackage trustees

edit package information

Candidates

0, 0.0.1, 0.1, 0.1.1, 0.2

Versions [RSS]	0, 0.0.1, 0.1, 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), kan-extensions (>=5 && <6), 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 2023-07-15T17:03:43Z
Distributions	NixOS:0.2.1
Downloads	868 total (18 in the last 30 days)
Rating	2.0 (votes: 1) [estimated by Bayesian average]
Your Rating	λ λ λ
Status	Docs available [build log] Last success reported on 2023-07-15 [all 1 reports]

Readme for squares-0.2.1

[back to package description]

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.