universe-base

A class for finite and recursively enumerable types.

https://github.com/dmwit/universe

Version on this page:1.1.4@rev:1
LTS Haskell 24.37:1.1.4@rev:1
Stackage Nightly 2026-04-18:1.1.4@rev:2
Latest on Hackage:1.1.4@rev:2

See all snapshots universe-base appears in

BSD-3-Clause licensed by Daniel Wagner
Maintained by [email protected]
This version can be pinned in stack with:universe-base-1.1.4@sha256:8a203a5cda5a7eac7985f4719e2c4ffb94fe57f45b1d210826cfb027b4a87d12,2261

Module documentation for 1.1.4

A class for finite and recursively enumerable types and some helper functions for enumerating them.

class Universe a where universe :: [a]
class Universe a => Finite a where universeF :: [a]; universeF = universe

This is slim package definiting only the type-classes and instances for types in GHC boot libraries. For more instances check universe-instances-* packages.