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Diffstat (limited to 'testsuite/tests/deriving/should_compile/T17339.hs')
-rw-r--r-- | testsuite/tests/deriving/should_compile/T17339.hs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_compile/T17339.hs b/testsuite/tests/deriving/should_compile/T17339.hs new file mode 100644 index 0000000000..4312d2ffc4 --- /dev/null +++ b/testsuite/tests/deriving/should_compile/T17339.hs @@ -0,0 +1,17 @@ +{-# LANGUAGE DeriveAnyClass #-} +{-# LANGUAGE DerivingStrategies #-} +{-# LANGUAGE MultiParamTypeClasses #-} +{-# LANGUAGE StandaloneDeriving #-} +module T17339 where + +class Cls a b +data A1 +data A2 +data B1 +data B2 + +instance Cls A1 B1 +instance Cls A2 B1 + +deriving anyclass instance Cls A1 B2 +deriving anyclass instance Cls A2 B2 |