Data.List.viewL (was: Proposal: add 'equating' function to Data.List)

Am 18.07.2014 23:19, schrieb David Feuer:

What I'd like for Data.List is

uncons :: [a] -> Maybe (a, [a]). uncons [] = Nothing uncons (a:as) = Just (a,as)

I believe Data.Text and maybe even Data.ByteString have similar functions.

I called it viewL, analogously to Data.Sequence: http://hackage.haskell.org/package/utility-ht-0.0.10/docs/Data-List-HT.html#...