2 Jun
2005
2 Jun
'05
4:26 a.m.
On 01 June 2005 07:24, Bulat Ziganshin wrote:
Hello Fergus,
Tuesday, May 31, 2005, 10:24:41 PM, you wrote:
import Data.Set hiding (map) import qualified Data.Set as Set
will do fine.
That code only compiles with ghc 6.4, and won't compile with ghc 6.2: you'll get an error for the "hiding (map)" part, because in 6.2 Data.Set does not contain a "map" function.
btw, question to Simon Marlow and Simon PJ - how about disabling this error message?
You mean allowing import M hiding (x) even if x is not exported by M? Or making it a warning? That's certainly possible, but it constitutes an extension to Haskell 98, so it would at least require the -fglasgow-exts flag. I think you're better off keeping your code portable. Cheers, Simon