Advice sought for 6.9 and Arrow/Category

Ian Lynagh igloo at
Tue Jul 15 08:38:25 EDT 2008

On Mon, Jul 14, 2008 at 01:58:00PM +0200, Conal Elliott wrote:
> I want to use ghc-6.9 for improved support of type families, but I see that
> the change to the Arrow interface breaks some of my libraries (since (>>>)
> is no longer a method of Arrow).  Will this change really be in ghc-6.9?

Yes. It was changed with a library proposal:


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