matchexpression: New plumbing command to check if a preferred content expression matches some data.

Utility/FileSize.hs

@@ -13,13 +13,15 @@ import Control.Exception (bracket)
 import System.IO
 #endif
 
+type FileSize = Integer
+
 {- Gets the size of a file.
  -
  - This is better than using fileSize, because on Windows that returns a
  - FileOffset which maxes out at 2 gb.
  - See https://github.com/jystic/unix-compat/issues/16
  -}
-getFileSize :: FilePath -> IO Integer
+getFileSize :: FilePath -> IO FileSize
 #ifndef mingw32_HOST_OS
 getFileSize f = fmap (fromIntegral . fileSize) (getFileStatus f)
 #else
@@ -27,7 +29,7 @@ getFileSize f = bracket (openFile f ReadMode) hClose hFileSize
 #endif
 
 {- Gets the size of the file, when its FileStatus is already known. -}
-getFileSize' :: FilePath -> FileStatus -> IO Integer
+getFileSize' :: FilePath -> FileStatus -> IO FileSize
 #ifndef mingw32_HOST_OS
 getFileSize' _ s = return $ fromIntegral $ fileSize s
 #else