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authorGravatar Joey Hess <joeyh@joeyh.name>2017-12-05 15:00:50 -0400
committerGravatar Joey Hess <joeyh@joeyh.name>2017-12-05 15:00:50 -0400
commit236c467da19f34edb08f124e37fd26eb62c43fcf (patch)
treef4e488f77fb954812e4d48f399fc2ecab072afea /Backend.hs
parentf013f71cb5d3f7eee3afb3eb8f01a33206d717c4 (diff)
more lambda-case conversion
Diffstat (limited to 'Backend.hs')
-rw-r--r--Backend.hs3
1 files changed, 1 insertions, 2 deletions
diff --git a/Backend.hs b/Backend.hs
index c39141f37..af033a63b 100644
--- a/Backend.hs
+++ b/Backend.hs
@@ -52,8 +52,7 @@ defaultBackend = maybe cache return =<< Annex.getState Annex.backend
genKey :: KeySource -> Maybe Backend -> Annex (Maybe (Key, Backend))
genKey source preferredbackend = do
b <- maybe defaultBackend return preferredbackend
- r <- B.getKey b source
- return $ case r of
+ B.getKey b source >>= return . \case
Nothing -> Nothing
Just k -> Just (makesane k, b)
where