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-rw-r--r--libraries/base/System/IO/Unsafe.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/libraries/base/System/IO/Unsafe.hs b/libraries/base/System/IO/Unsafe.hs
index 91ce45c62b..a28fb4be1b 100644
--- a/libraries/base/System/IO/Unsafe.hs
+++ b/libraries/base/System/IO/Unsafe.hs
@@ -40,7 +40,7 @@ import Control.Exception
-- In this case, the child thread will receive a @NonTermination@
-- exception instead of waiting for the value of @r@ to be computed.
--
--- /Since: 4.5.0.0/
+-- @since 4.5.0.0
unsafeFixIO :: (a -> IO a) -> IO a
unsafeFixIO k = do
ref <- newIORef (throw NonTermination)