On 18 November 2011 06:44, Johan Tibell <johan.tib...@gmail.com> wrote: > Here are some examples: > > insertWith (+) k undefined m == undefined > delete undefined m == undefined > map (\ v -> undefined) == undefined > mapKeys (\ k -> undefined) == undefined > > Any ideas for further improvements?
I would use '_|_' instead of 'undefined'. Then again, this does require the reader to know what '_|_' means. But note we already use this symbol in the base library. Bas _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
