proposal #3335: make some Applicative functions into methods, and split off Data.Functor

Ross Paterson ross at
Mon Jun 29 16:31:43 EDT 2009

On Mon, Jun 29, 2009 at 02:37:56PM -0400, David Menendez wrote:
> How about liftA2?

2 is a scary number.  Do you have an example in mind where a customized
liftA2 would be a big win?

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