Fungi-1.0.6: src/System/IO/Buffering.hs

module System.IO.Buffering (
    withBuffering
  , BufferMode (..)
  ) where

import System.IO

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withBuffering :: BufferMode -> Handle -> (Handle -> IO a) -> IO a
withBuffering buff hdl io = do
  origBuff <- hGetBuffering hdl
  hSetBuffering hdl buff
  res <- io hdl
  hSetBuffering hdl origBuff
  return res