22 Jan
2011
22 Jan
'11
11:12 a.m.
+1
On 22 January 2011 05:16, Edward Kmett
I went with the default being to avoid prematurely forcing a bottom when possible, to avoid being called out by the strictness police, but I'm not terribly wedded to the behavior.
Just for reference, the Functor instance on pairs is strict in the pair: instance Functor ((,) a) where fmap f (x,y) = (x, f y) Bas