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Krzysztof Gogolewski authored
Summary: This warning (enabled by default) reports places where a context implicitly binds a type variable, for example type T a = {-forall m.-} Monad m => a -> m a Also update Haddock submodule. Test Plan: validate Reviewers: hvr, goldfire, simonpj, austin Reviewed By: austin Subscribers: simonmar, ezyang, carter Differential Revision: https://phabricator.haskell.org/D211 GHC Trac Issues: #4426
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