hiding import, tuple instances

Marcin 'Qrczak' Kowalczyk qrczak@knm.org.pl
31 Aug 2001 16:27:33 GMT

Fri, 31 Aug 2001 18:53:11 +0300, Cagdas Ozgenc <co19@cornell.edu> pisze:

> 1) How can I hide an instance of a class imported from prelude?

You can't. A given class/type pair must have at most one instance in
the whole program.

> How do I define functions that work on all tuples?

You can't, and this is unfortunate.

 __("<  Marcin Kowalczyk * qrczak@knm.org.pl http://qrczak.ids.net.pl/
  ^^                      SYGNATURA ZASTĘPCZA