universe-reverse-instances

Instances of standard classes that are made possible by enumerations

https://github.com/dmwit/universe

LTS Haskell 22.30:1.1.1@rev:4
Stackage Nightly 2024-07-23:1.1.2
Latest on Hackage:1.1.2

See all snapshots universe-reverse-instances appears in

BSD-3-Clause licensed by Daniel Wagner
Maintained by [email protected]
This version can be pinned in stack with:universe-reverse-instances-1.1.2@sha256:b1402f685cc9bfda606d0eaced869440c6c03173b2319d3afae3c2cd1898a2cc,1525
Used by 2 packages in nightly-2024-06-13(full list with versions):

For example this package provides a Eq (a -> b) instance:

instance (Finite a, Eq b) => Eq (a -> b) where
f == g = and [f x == g x | x <- universeF]