[Haskell-cafe] Quasiquoter invocation no longer requires/allows a leading dollar sign.

Ian Lynagh igloo at earth.li
Thu Nov 25 08:53:57 EST 2010


On Thu, Nov 25, 2010 at 11:50:44AM +0000, Simon Marlow wrote:
> On 23/11/2010 17:24, Ian Lynagh wrote:
>> On Tue, Nov 16, 2010 at 08:03:42AM +0000, Simon Peyton-Jones wrote:
>>>
>>> Ian: could you merge this to the branch, pls?  It programs that are rejected by HEAD, so I think it's acceptable to push it into a patch release.
>>>
>>> Fri Nov 12 08:30:52 GMT 2010  simonpj at microsoft.com
>>>    * Allow the old [$foo| ... |] syntax for quasi-quotes
>>
>> Merged.
>
> Doesn't this mean that we have a language feature that is only supported  
> by 7.0.2 and greater?

Also by 6.12.3 and lower.

> That makes it hard for people to conditionally  
> compile for.

I don't think it's really different than fixing a "GHC panics when you
do ..." bug.


Perhaps we should make 7.0.2 emit a deprecated message for [$foo| ... |],
if it doesn't already?


Thanks
Ian



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