#7583: IO reordering
---------------------------------------------+------------------------------
Reporter: Heimdell | Owner:
Type: bug | Status: closed
Priority: normal | Component: Compiler
Version: 7.4.1 | Resolution: invalid
Keywords: IO, invalid evaluation order | Os: Linux
Architecture: x86_64 (amd64) | Failure: Incorrect result
at runtime
Blockedby: | Blocking:
Related: |
---------------------------------------------+------------------------------
Changes (by monoidal):
* status: new => closed
* resolution: => invalid
Comment:
This is because GHC uses line buffering by default, while GHCi disables
buffering. You can flush after each output or disable buffering:
{{{
import System.IO
main = do hSetBuffering stdout NoBuffering
putStr "> "
line <- getLine
putStrLn line
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7583#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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