On Friday 25 July 2003 21:48, Dylan Thurston wrote: > Another approach is to make Universe a multi-parameter type class: > > class (RealFrac a, Floating a) => Universe u a | u -> a where > distanceVector :: u -> Vector a -> Vector a -> Vector a > ... > > You need to use ghc with '-fglasgow-exts' for this.
What is the general attitude in the Haskell community towards compiler-specific extensions? My past experience with Fortran and C/C++ tells me to stay away from them. Portability is an important criterion for me. Konrad. _______________________________________________ Haskell-Cafe mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/haskell-cafe