On Wed, Oct 17, 2007 at 03:35:37PM -0300, Isaac Dupree wrote: > Serge D. Mechveliani wrote: > >People, > > > >here is a more precise report about empty _export_ in > >ghc-6.8.1-candidate: > > > >I use > > -------------------------------- > > module M1 (f, module M2) > > where > > import M2 () > > f = ... > > -------------------------------- > > > >in the situation when M1 imports some instances from M2 and > >reexports these instances. > > > >And ghc-6.8.1-candidate reports > > > > "Warning: The export item `module M2' exports nothing" > > > >1) Can I fix anything here? > >2) Should this warning be different? > > The warning is true. The instances will be exported even if `module M2' > is omitted from the export list, so that export item exports nothing. >
I see. Thank you. ----------- Mechveliani _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users