Hi! On Wed, Nov 17, 2010 at 11:52 AM, Sittampalam, Ganesh <ganesh.sittampa...@credit-suisse.com> wrote: > If GHC added support "or" patterns, you could write them out quite > concisely: > > bar Foo1 Foo2 Foo3 = ... > bar (Foo1|Foo2|Foo3) (Foo1|Foo2|Foo3) (Foo1|Foo2|Foo3) = error "..."
Uh. Still no nice solution. But this is a form of closed world assumption. When you write _ as a case you in fact use this assumption. But when you later on extend the "world" with some new case, this assumption could not really hold anymore. Mitar _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
