21 Jun
2007
21 Jun
'07
9:41 a.m.
On Thu, Jun 21, 2007 at 10:51:25AM +0100, Simon Peyton-Jones wrote:
Good idea. I'll improve the message by adding the suggestion to use a case expression instead.
Or do notation. I almost always prefer do notation, even if it means something like: fromJust $ do a' :< b' <- commute (b :< a) a'' :< c' <- commute (c :< a') return a' -- David Roundy http://www.darcs.net