[ghc-steering-committee] Extra Commas (#87), Recommend: accept

[Joachim Breitner]

Hi,


Am Montag, den 30.04.2018, 19:20 -0500 schrieb Christopher Allen:
> https://github.com/ghc-proposals/ghc-proposals/pull/87
> 
> With the provisos mentioned by Simon starting here in mind:
> https://github.com/ghc-proposals/ghc-proposals/pull/87#issuecomment-385536587

I am not against the proposal, but in the interest of fighting
extension fatigue I’d like to draw your attention to this (which I had 
just posted at https://github.com/ghc-proposals/ghc-proposals/pull/87#issuecomment-385581915)


If the motivation is really mainly about subexports lists, then we
could simply tell GHC to accept

   module Foo
       (
       Foo(A),
       Foo(B),
       )
   where

without warning about the duplicate export of `Foo`.


Is this good enough to solve the subexport list problem for CPP users?
(probably yes)

Do we still want ExtraCommas, because it is also useful in lists and
other syntactic constructs?
(probably probably; I could be swayed either way).


Cheers,
Joachim

-- 
Joachim Breitner
  mail at joachim-breitner.de
  http://www.joachim-breitner.de/
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