diff options
| author | Jose Pedro Magalhaes <jpm@cs.ox.ac.uk> | 2014-11-20 22:41:28 -0600 |
|---|---|---|
| committer | Austin Seipp <austin@well-typed.com> | 2014-11-20 22:41:29 -0600 |
| commit | 7ed482d909556c1b969185921e27e3fe30c2fe86 (patch) | |
| tree | 533284283c1bbfd8eb279a3d6ec913f71fb61a55 /testsuite/tests/generics/T5462No1.stderr | |
| parent | 067f1e4f20efc824badbac54da2f9484090cb39b (diff) | |
| download | haskell-7ed482d909556c1b969185921e27e3fe30c2fe86.tar.gz | |
Implement #5462 (deriving clause for arbitrary classes)
Summary: (this has been submitted on behalf on @dreixel)
Reviewers: simonpj, hvr, austin
Reviewed By: simonpj, austin
Subscribers: goldfire, thomie, carter, dreixel
Differential Revision: https://phabricator.haskell.org/D476
GHC Trac Issues: #5462
Diffstat (limited to 'testsuite/tests/generics/T5462No1.stderr')
| -rw-r--r-- | testsuite/tests/generics/T5462No1.stderr | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/testsuite/tests/generics/T5462No1.stderr b/testsuite/tests/generics/T5462No1.stderr new file mode 100644 index 0000000000..9deb08a9f9 --- /dev/null +++ b/testsuite/tests/generics/T5462No1.stderr @@ -0,0 +1,20 @@ +[1 of 2] Compiling GFunctor ( GFunctor/GFunctor.hs, GFunctor/GFunctor.o ) +[2 of 2] Compiling T5462No1 ( T5462No1.hs, T5462No1.o ) + +T5462No1.hs:24:42: + Can't make a derived instance of ‘GFunctor F’: + ‘GFunctor’ is not a derivable class + Try GeneralizedNewtypeDeriving for GHC's newtype-deriving extension + In the newtype declaration for ‘F’ + +T5462No1.hs:26:23: + Can't make a derived instance of ‘C1 G’: + ‘C1’ is not a derivable class + Try enabling DeriveAnyClass + In the data declaration for ‘G’ + +T5462No1.hs:27:23: + Can't make a derived instance of ‘C2 H’: + ‘C2’ is not a derivable class + Try enabling DeriveAnyClass + In the data declaration for ‘H’ |