Enabling TypeHoles by default

Herbert Valerio Riedel hvr at gnu.org
Wed Jan 15 10:46:23 UTC 2014

On 2014-01-15 at 03:24:29 +0100, Austin Seipp wrote:
> I'll submit a change to Cabal to remove its awareness of TypeHoles as
> an extension.

...actually, I forgot that 'TypeHoles' actually never made into Cabal
when we added missing language-extensions tokens, as Duncan noticed in
[1], that

| We didn't add TypeHoles on the theory that it would not be used in
| released packages. However on reflection it would be better to add it
| as a registered extension but to have an explicit check for it not
| being used in distributed packages (e.g. like we complain about
| -Werror).

Luckily, this turns my comments regarding updating Cabal & Hackage into
a non-issue :-)

 [1]: https://ghc.haskell.org/trac/ghc/ticket/8176#comment:6


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