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-rw-r--r--Backend.hs1
-rw-r--r--CryptoTypes.hs5
-rw-r--r--Touch.hsc2
3 files changed, 4 insertions, 4 deletions
diff --git a/Backend.hs b/Backend.hs
index ab15974c8..645bfdfc3 100644
--- a/Backend.hs
+++ b/Backend.hs
@@ -33,7 +33,6 @@ module Backend (
) where
import Control.Monad.State (liftIO, when)
-import Control.Monad (liftM)
import System.IO.Error (try)
import System.FilePath
import System.Posix.Files
diff --git a/CryptoTypes.hs b/CryptoTypes.hs
index 944a9d34e..ba22c4cbe 100644
--- a/CryptoTypes.hs
+++ b/CryptoTypes.hs
@@ -9,11 +9,12 @@ module CryptoTypes where
import Data.String.Utils
-data Cipher = Cipher String -- XXX ideally, this would be a locked memory region
+-- XXX ideally, this would be a locked memory region
+newtype Cipher = Cipher String
data EncryptedCipher = EncryptedCipher String KeyIds
-data KeyIds = KeyIds [String]
+newtype KeyIds = KeyIds [String]
instance Show KeyIds where
show (KeyIds ks) = join "," ks
diff --git a/Touch.hsc b/Touch.hsc
index fd3500f86..4f26855d2 100644
--- a/Touch.hsc
+++ b/Touch.hsc
@@ -16,7 +16,7 @@ module Touch (
import Foreign
import Foreign.C
-data TimeSpec = TimeSpec CTime
+newtype TimeSpec = TimeSpec CTime
{- Changes the access and modification times of an existing file.
Can follow symlinks, or not. Throws IO error on failure. -}