Formatting pass

I don’t always like the output hindent gives, so reformat the project
to be a bit closer to what you see in published Haskell books and the
like.

6 files changed, 12 insertions, 30 deletions

diff --git a/src/Data/Digest.hs b/src/Data/Digest.hs
index e0e0540..3bd042c 100644
--- a/src/Data/Digest.hs
+++ b/src/Data/Digest.hs
@@ -18,10 +18,7 @@ module Data.Digest
   , hash
   , md5
   , sha1
-  , sha224
-  , sha256
-  , sha384
-  , sha512
+  , sha224, sha256, sha384, sha512
   ) where
 
 import qualified Data.ByteString as ByteString
@@ -37,22 +34,12 @@ import Internal.Digest
 
 type LazyByteString = ByteString.Lazy.ByteString
 
-md5 :: Algorithm
-md5 = Algorithm evpMd5
-
-sha1 :: Algorithm
-sha1 = Algorithm evpSha1
-
-sha224 :: Algorithm
+md5, sha1, sha224, sha256, sha384, sha512 :: Algorithm
+md5    = Algorithm evpMd5
+sha1   = Algorithm evpSha1
 sha224 = Algorithm evpSha224
-
-sha256 :: Algorithm
 sha256 = Algorithm evpSha256
-
-sha384 :: Algorithm
 sha384 = Algorithm evpSha384
-
-sha512 :: Algorithm
 sha512 = Algorithm evpSha512
 
 -- | Hashes according to the given 'Algorithm'.
diff --git a/src/Data/Digest/Internal.hs b/src/Data/Digest/Internal.hs
index f8db383..be88e68 100644
--- a/src/Data/Digest/Internal.hs
+++ b/src/Data/Digest/Internal.hs
@@ -27,8 +27,7 @@ import Internal.Base (EvpMd)
 newtype Algorithm = Algorithm (Ptr EvpMd)
 
 -- | The result of a hash operation.
-newtype Digest =
-  Digest ByteString
+newtype Digest = Digest ByteString
   deriving (Eq, Ord)
 
 instance Show Digest where
diff --git a/src/Data/Hmac.hs b/src/Data/Hmac.hs
index d1124b6..2211248 100644
--- a/src/Data/Hmac.hs
+++ b/src/Data/Hmac.hs
@@ -46,9 +46,9 @@ newtype Hmac = Hmac ByteString
 instance Eq Hmac where
   (Hmac a) == (Hmac b) =
     unsafeLocalState $
-    ByteString.unsafeUseAsCStringLen a $ \(a', size) ->
-      ByteString.unsafeUseAsCStringLen b $ \(b', _) ->
-        constantTimeEquals a' b' size
+      ByteString.unsafeUseAsCStringLen a $ \(a', size) ->
+        ByteString.unsafeUseAsCStringLen b $ \(b', _) ->
+          constantTimeEquals a' b' size
 
 instance Show Hmac where
   show (Hmac m) = show (Digest m)
diff --git a/src/Foreign/Ptr/ConstantTimeEquals.chs b/src/Foreign/Ptr/ConstantTimeEquals.chs
index 6b34e7b..a96fc66 100644
--- a/src/Foreign/Ptr/ConstantTimeEquals.chs
+++ b/src/Foreign/Ptr/ConstantTimeEquals.chs
@@ -26,5 +26,5 @@ import Foreign.Ptr.Cast (asVoidPtr)
 -- contents.
 constantTimeEquals :: Ptr a -> Ptr a -> Int -> IO Bool
 constantTimeEquals a b size =
-  let size' = fromIntegral size :: CULong
-  in (== 0) <$> {#call CRYPTO_memcmp as ^#} (asVoidPtr a) (asVoidPtr b) size'
+  let size' = fromIntegral size :: CULong in
+  (== 0) <$> {#call CRYPTO_memcmp as ^#} (asVoidPtr a) (asVoidPtr b) size'
diff --git a/src/Internal/Digest.chs b/src/Internal/Digest.chs
index 81d5a3b..021de22 100644
--- a/src/Internal/Digest.chs
+++ b/src/Internal/Digest.chs
@@ -18,9 +18,7 @@
 module Internal.Digest
   ( evpMd5, evpSha1, evpSha224, evpSha256, evpSha384, evpSha512
   , mallocEvpMdCtx
-  , evpDigestInitEx
-  , evpDigestUpdate
-  , evpDigestFinalEx
+  , evpDigestInitEx, evpDigestUpdate, evpDigestFinalEx
   , evpMaxMdSize
   ) where
 
diff --git a/src/Internal/Hmac.chs b/src/Internal/Hmac.chs
index 69c474e..0ef1e2e 100644
--- a/src/Internal/Hmac.chs
+++ b/src/Internal/Hmac.chs
@@ -17,9 +17,7 @@
 
 module Internal.Hmac
   ( mallocHmacCtx
-  , hmacInitEx
-  , hmacUpdate
-  , hmacFinal
+  , hmacInitEx, hmacUpdate, hmacFinal
   ) where
 
 import Foreign