Ticket #4058 (closed feature request: fixed)
improve error message: Module `System.IO' does not export `LineBuffering'
|Reported by:||simonmar||Owned by:|
|Type of failure:||None/Unknown||Difficulty:||Easy (less than 1 hour)|
|Test Case:||Blocked By:|
LineBuffering is a constructor, and System.IO definitely does export it. A more helpful error message might be
`LineBuffering' is a constructor in the data type `BufferMode`, to import it use import System.IO (BufferMode(LineBuffering)) or import System.IO (BufferMode(..))
(adapted from a suggestion by John Launchbury)