Merge pull request #1477 from josephcsible/ghc92
Enable FlexibleContexts in Servant.API.ContentTypes
commit70b3721537422d4630454ba0cfdfe5344f54876a
authorThéophile Choutri <theophile@choutri.eu>
dateSun 31 Oct 2021, 12:09 (5 years ago)
parentbd9e4b1fea40bd
changelog.d/1477new file+9
@@ -0,0 +1,9 @@
1+synopsis: Enable FlexibleContexts in Servant.API.ContentTypes
2+prs: #1477
3+
4+description: {
5+
6+Starting with GHC 9.2, UndecidableInstances no longer implies FlexibleContexts.
7+Add this extension where it's needed to make compilation succeed.
8+
9+}
servant/src/Servant/API/ContentTypes.hs+1
@@ -2,6 +2,7 @@
22{-# LANGUAGE DataKinds #-}
33{-# LANGUAGE DeriveDataTypeable #-}
44{-# LANGUAGE DeriveGeneric #-}
5+{-# LANGUAGE FlexibleContexts #-}
56{-# LANGUAGE FlexibleInstances #-}
67{-# LANGUAGE MultiParamTypeClasses #-}
78{-# LANGUAGE OverloadedStrings #-}