Make type parameters invariant

tmccarthy / bfect

Some bifunctor IO type classes

Apache License 2.0

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Make type parameters invariant #10

Closed tmccarthy closed 3 years ago

jchapuis commented 3 years ago

I've seen you've been working on it, very cool! how is it turning out? Once you're ready I can try adding my EitherT instance and make a PR if you're interested

tmccarthy commented 3 years ago

Done in #13.