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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/haskell_doctest/Foo.hs
parent2eb1dc26e42ffbdc168f05ef744bd4b4f3e4c36f (diff)
feat(third_party/bazel): Check in rules_haskell from Tweag r/17
Diffstat (limited to 'third_party/bazel/rules_haskell/tests/haskell_doctest/Foo.hs')
-rw-r--r--third_party/bazel/rules_haskell/tests/haskell_doctest/Foo.hs14
1 files changed, 14 insertions, 0 deletions
diff --git a/third_party/bazel/rules_haskell/tests/haskell_doctest/Foo.hs b/third_party/bazel/rules_haskell/tests/haskell_doctest/Foo.hs
new file mode 100644
index 000000000000..d2c97b77aeb3
--- /dev/null
+++ b/third_party/bazel/rules_haskell/tests/haskell_doctest/Foo.hs
@@ -0,0 +1,14 @@
+{-# LANGUAGE ForeignFunctionInterface #-}
+
+module Foo (foo) where
+
+import Foreign.C.Types (CInt(..))
+
+foreign import ccall "c_add_one"
+  c_add_one :: CInt -> CInt
+
+-- |
+-- >>> foo
+-- 5
+foo :: Int
+foo = fromIntegral (c_add_one 4)