On Mon, Jul 1, 2013 at 4:27 PM, John Wiegley <johnw@fpcomplete.com> wrote:

>>>>> Edward Kmett <ekmett@gmail.com> writes:

> If you really want to hunt for unused syntax and we wind up needing a (.)
> analogue then (->) is currently a reserved operator, so opening it up for
> use at the term level could be made to work, and there is a precedent with
> c/c++ pointer dereferencing.

Imagine this possible code:

foo :: Maybe Foo -> Bar
foo (fromMaybe def -> x) = \x -> case x of
Foo x -> x->y->z

I think it might get a bit ugly to give it a 5th meaning.

--
John Wiegley
FP Complete Haskell tools, training and consulting
http://fpcomplete.com johnw on #haskell/irc.freenode.net

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