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-rw-r--r--third_party/overlays/haskell/patches/generic-arbitrary-export-garbitrary.patch12
1 files changed, 12 insertions, 0 deletions
diff --git a/third_party/overlays/haskell/patches/generic-arbitrary-export-garbitrary.patch b/third_party/overlays/haskell/patches/generic-arbitrary-export-garbitrary.patch
new file mode 100644
index 000000000000..f0c936bfca18
--- /dev/null
+++ b/third_party/overlays/haskell/patches/generic-arbitrary-export-garbitrary.patch
@@ -0,0 +1,12 @@
+diff --git a/src/Test/QuickCheck/Arbitrary/Generic.hs b/src/Test/QuickCheck/Arbitrary/Generic.hs
+index fed6ab3..91f59f1 100644
+--- a/src/Test/QuickCheck/Arbitrary/Generic.hs
++++ b/src/Test/QuickCheck/Arbitrary/Generic.hs
+@@ -23,6 +23,7 @@ The generated 'arbitrary' method is equivalent to
+ 
+ module Test.QuickCheck.Arbitrary.Generic
+   ( Arbitrary(..)
++  , GArbitrary
+   , genericArbitrary
+   , genericShrink
+   ) where