18 Nov
2007
18 Nov
'07
11:37 a.m.
Brent Yorgey wrote:
but isn't there a short text that describes in detail why foldl' is different from foldl and why foldr is "better" in many cases? I thought this faq would have been cached already :)
Perhaps you're thinking of http://haskell.org/haskellwiki/Stack_overflow ?
Ah, that looks better, although it's a bit messy for my taste. I've scribbled a hopefully gentler explanation at http://en.wikibooks.org/wiki/Haskell/Performance_Introduction . Regards, apfelmus