Talk:Yet Another Haskell Tutorial/Language advanced

As far as i can tell flip does not revert the arguments of a given function but reverses the order of the first _two_ arguments. I made this more precise. --83.171.155.193 21:12, 13 August 2007 (UTC)

There's an easier way to write ++ in terms of foldr: (++) = flip $ foldr

The Eq instance declaration for Color given in 6.1 makes Red not equal to Custom 255 0 0. It doesn't matter here, but should probably still be considered a bug. (Shai,80.178.21.140 (talk) 22:43, 28 February 2010 (UTC))

I think the section on finite maps should be removed entirely because it was removed in 2006! (Ktroxie (discuss • contribs) 21:07, 8 March 2011 (UTC))

As Haskell functions are pure, it is not clear, what is "setter" function for the named field. So, I think, it would be good idea, to clarify this point, while discussing syntax someData{filed=newValue}. --DimoneSem (discuss • contribs) 13:41, 27 October 2011 (UTC)