universe-reverse-instances

Instances of standard classes that are made possible by enumerations

https://github.com/dmwit/universe

Version on this page:1.1.1@rev:4
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-1.1.1@sha256:4d4eef6e67417ff598a9e82d182bea48c6e8a256399163b3ca1c5ca0733ac768,1714
Used by 2 packages in lts-22.25(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]