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Merge pull request #1477 from josephcsible/ghc92 

Enable FlexibleContexts in Servant.API.ContentTypes
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Théophile Choutri 2021-10-31 12:09:04 +01:00 committed by GitHub
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changelog.d/1477 Normal file
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synopsis: Enable FlexibleContexts in Servant.API.ContentTypes
prs: #1477
description: {
Starting with GHC 9.2, UndecidableInstances no longer implies FlexibleContexts.
Add this extension where it's needed to make compilation succeed.
}

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servant/src/Servant/API/ContentTypes.hs
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{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE OverloadedStrings #-}