On Thu, Nov 29, 2012 at 05:49:53PM +0000, Jon Fairbairn wrote:
Ben Franksen
writes: just wanted to drop by to say how much I like the new lambda case extension. I use it all the time and I just *love* how it relieves me from conjuring up dummy variables, which makes teh code not only esier to write but also to read.
[...] should *definitely* go into Haskell'13. [...] To me it seems obvious that if we are going to do this [...] we should do it simply by making the "case exp" part of a case expression optional.
of {alts...}
and we would then describe
case e of {...}
as syntactic sugar for
(of {...}) (e)
My very belated and unsolicited layman's reply is that I am a strong supporter of Jon's position. His suggestion is parsimonious and natural. Without wishing to start the discussion again, I disagree that it is bikeshedding. One lesson I learned from Haskell is that syntax is much more important than I previously realised. Tom