
16 Jan
2009
16 Jan
'09
8:37 a.m.
On Thu, Jan 15, 2009 at 10:46:46PM +0100, Henning Thielemann wrote:
When trying to perform some tests with StrictCheck, I found that the monads from the 'transformers' package don't have Data instances. Can they be provided while keeping 'transformers' Haskell 98 and avoiding orphan instances?
The Typeable and Data instances will be non-trivial, as they can't be derived for higher-order type constructors.