Ah yes, this is very very very helpful. Thanks : ) Miguel's example is not quite as idiomatic, but...for some reason I find it beguiling nonetheless.
On Thu, Dec 17, 2009 at 2:36 PM, Roman Leshchinskiy <r...@cse.unsw.edu.au> wrote: > On 18/12/2009, at 00:37, Stephen Lavelle wrote: > >> Given >> >> class MyClass k where >> type AssociatedType k :: * >> >> Is there a way of requiring AssociatedType be of class Eq, say? > > This works with -XFlexibleContexts: > > class Eq (AssociatedType k) => MyClass k where > type AssociatedType k :: * > > > Roman > > > _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
