
11 Aug
2009
11 Aug
'09
4:25 p.m.
Hello John, Tuesday, August 11, 2009, 8:23:26 PM, you wrote:
I can see how something like this would be useful to some areas. There are many cases (graphs!) where it's just easier to build up structures destructively, seal them, and return them to happyPureFunTimesLand.
it's ST monad. btw, many array algos from std library (histogram, for example) are written this way -- Best regards, Bulat mailto:Bulat.Ziganshin@gmail.com