Fix for ghc-8.10 - Githubissues

mstksg / backprop

Heterogeneous automatic differentiation ("backpropagation") in Haskell

https://backprop.jle.im

BSD 3-Clause "New" or "Revised" License

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Closed tonyday567 closed 4 years ago

tonyday567 commented 4 years ago

The suggested addition of UndecidableInstance seemed benign, but I didn't put too much thought to it.

Had to also bump vinyl in the stack.yaml to get it to build against stack.

mstksg commented 4 years ago

LGTM -- really appreciate it! :)