28 Sep
2006
28 Sep
'06
7:27 a.m.
Thoughts?
Without considering the subtleties of the different meanings of "." in Haskell, I fail to see what people find so exciting about left to right function composition. I find "not . null" much easier to read than "null
not", let alone ".null.not".
IMO, the following are good reasons for keeping the current semantics/notation of ".": - It's a conventional notation (, unlike for example >>>). - It makes it easy to switch back and force between point-wise($) and point-free(.) notation when appropriate. I do this a lot. If I were to fix the language I would probably use something like ":" or "::" for selection and keep "." for composition. Tim