[jhc] withFile, withBinaryFile using 'bracket'

[Henning Thielemann]

2 patches for repository http://repetae.net/repos/jhc:

Sun Jan  3 18:01:36 CET 2016  jhc at henning-thielemann.de
  * haskell-extras/System.IO.withFile: implement using 'bracket'

Sun Jan  3 18:03:05 CET 2016  jhc at henning-thielemann.de
  * haskell-extras/System.IO.withBinaryFile added

New patches:

[haskell-extras/System.IO.withFile: implement using 'bracket'
jhc at henning-thielemann.de**20160103170136
 Ignore-this: e27bfb19bcbdc823d5ebd93145608d9
] hunk ./lib/haskell-extras/System/IO.hs 52
 import Jhc.Type.C
 import System.C.Stdio
 import System.IO.Error
+import Control.Exception (bracket, )
 
 data BufferMode = NoBuffering | LineBuffering | BlockBuffering (Maybe Int)
     deriving(Eq, Ord, Read, Show)
hunk ./lib/haskell-extras/System/IO.hs 65
 hIsWritable h = return $ handleIOMode h `elem` [AppendMode,WriteMode,ReadWriteMode]
 
 withFile :: FilePath -> IOMode -> (Handle -> IO r) -> IO r
-withFile fp iom action = do
-    h <- openFile fp iom
-    r <- action h
-    hClose h
-    return r
+withFile fp iom = bracket (openFile fp iom) hClose
 
 hIsClosed h = not `fmap` hIsOpen h
 
[haskell-extras/System.IO.withBinaryFile added
jhc at henning-thielemann.de**20160103170305
 Ignore-this: c37ffd66ae9529e1f843ae01f1e60c72
] hunk ./lib/haskell-extras/System/IO.hs 32
     openFile,
     openBinaryFile,
     withFile,
+    withBinaryFile,
     fixIO,
     HandlePosn,
     stdin,stdout,stderr,
hunk ./lib/haskell-extras/System/IO.hs 68
 withFile :: FilePath -> IOMode -> (Handle -> IO r) -> IO r
 withFile fp iom = bracket (openFile fp iom) hClose
 
+withBinaryFile :: FilePath -> IOMode -> (Handle -> IO r) -> IO r
+withBinaryFile fp iom = bracket (openBinaryFile fp iom) hClose
+
 hIsClosed h = not `fmap` hIsOpen h
 
 hFlush :: Handle -> IO ()

Context:

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[collect derivations together into a list
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 Ignore-this: ccb8e9910dd382f3adf06249b37539c
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[add new deriving mechanism that builds the AST directly
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[add HOT and COLD pragmas, update documentation
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] 
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] 
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[improve documentatoin, add more pragma info
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 Ignore-this: afe051fa40709c506101cc7c09a03c65
] 
[add some reference header to the repository
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 Ignore-this: 2926b1538e8abace7f040b2030d4751a
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[TAG 0.8.2
John Meacham <john at repetae.net>**20140602180626
 Ignore-this: 358fa85b89ee4c73f47f7b85e3647a6a
] 
Patch bundle hash:
64330fca4d9fb30866935cc74452a25f6717750e