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authorVincent Ambo <tazjin@google.com>2019-07-04T10·18+0100
committerVincent Ambo <tazjin@google.com>2019-07-04T10·18+0100
commitf723b8b878a3c4a4687b9e337a875500bebb39b1 (patch)
treee85204cf042c355e90cff61c111e7d8cd15df311 /third_party/bazel/rules_haskell/tests/binary-with-compiler-flags/Main.hs
parent2eb1dc26e42ffbdc168f05ef744bd4b4f3e4c36f (diff)
feat(third_party/bazel): Check in rules_haskell from Tweag r/17
Diffstat (limited to 'third_party/bazel/rules_haskell/tests/binary-with-compiler-flags/Main.hs')
-rw-r--r--third_party/bazel/rules_haskell/tests/binary-with-compiler-flags/Main.hs13
1 files changed, 13 insertions, 0 deletions
diff --git a/third_party/bazel/rules_haskell/tests/binary-with-compiler-flags/Main.hs b/third_party/bazel/rules_haskell/tests/binary-with-compiler-flags/Main.hs
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index 000000000000..b95db17f76da
--- /dev/null
+++ b/third_party/bazel/rules_haskell/tests/binary-with-compiler-flags/Main.hs
@@ -0,0 +1,13 @@
+-- Expects to pull -XStandaloneDeriving from the default compiler flags.
+module Main (main) where
+
+data Foo = Foo
+deriving instance Show Foo
+
+-- Expects -XLambdaCase to be passed via the 'compiler_flags' rule attribute.
+dummyId :: Foo -> Foo
+dummyId = \case
+  Foo -> Foo
+
+main :: IO ()
+main = print $ dummyId Foo