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| author | Simon Peyton Jones <simonpj@microsoft.com> | 2014-04-08 16:28:56 +0100 |
|---|---|---|
| committer | Simon Peyton Jones <simonpj@microsoft.com> | 2014-04-08 17:37:58 +0100 |
| commit | cc3ccf9f47c7f4684cdd2b08d0e2acf50b69bc18 (patch) | |
| tree | 17efe6204db8e1c348aafb17a70ab8b71f1ed153 /testsuite/tests/deriving/should_compile/T8963.hs | |
| parent | 2c516c4f1908f4c332df3c08c44a354bd2d832b3 (diff) | |
| download | haskell-cc3ccf9f47c7f4684cdd2b08d0e2acf50b69bc18.tar.gz | |
Test Trac #8963
Diffstat (limited to 'testsuite/tests/deriving/should_compile/T8963.hs')
| -rw-r--r-- | testsuite/tests/deriving/should_compile/T8963.hs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_compile/T8963.hs b/testsuite/tests/deriving/should_compile/T8963.hs new file mode 100644 index 0000000000..78dcf469e8 --- /dev/null +++ b/testsuite/tests/deriving/should_compile/T8963.hs @@ -0,0 +1,9 @@ +{-# LANGUAGE TypeFamilies, GeneralizedNewtypeDeriving #-} + +module T8963 where + +class C c where + data F c r + +instance C Int where + newtype F Int r = F (IO r) deriving (Functor) |