pointed

Pointed and copointed data

http://github.com/ekmett/pointed/

Version on this page:	5@rev:1
LTS Haskell 24.18:	5.0.5@rev:1
Stackage Nightly 2025-11-04:	5.0.5@rev:1
Latest on Hackage:	5.0.5@rev:1

See all snapshots pointed appears in

BSD-3-Clause licensed by Edward A. Kmett

Maintained by Edward A. Kmett

This version can be pinned in stack with:pointed-5@sha256:f7ffc79d82f02a4229dbe175571f522de14fc52f0973fcff39906132bac20f9c,2904

Module documentation for 5

Data
- Data.Copointed
- Data.Pointed

Depends on 13 packages(full list with versions):

base, comonad, containers, data-default-class, hashable, kan-extensions, semigroupoids, semigroups, stm, tagged, transformers, transformers-compat, unordered-containers

Used by 3 packages in lts-7.4(full list with versions):

grouped-list, machines, vector-instances

pointed

Haskell 98 pointed and copointed data types.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on irc.freenode.net.

-Edward Kmett

Changes

4.2.1

Added (largely unsupported) options to build without almost all of the dependencies for advanced users

4.2.0.2

Added the CHANGELOG.markdown to extra-source-files, so that hackage can display it.

4.2.0.1

Allow semigroupoids 5.

4.2

Add dependency on kan-extensions for instances

4.1.1

Added transformers-compat dependency to loosen transformers dependency

4.1

Added missing instances for transformers 0.4 types

4.0

Updated to use the 4.0 versions of comonad and semigroupoids packages
Updated to use just data-default-class. Beware of orphans.

3.1

Added Tagged and Proxy instances.

3.0.3

Claim to be Trustworthy

3.0.2

Removed upper bounds on my other packages
Refactored directory layout