[jhc] building transformers library, irrefutable patterns

John Meacham john at repetae.net
Mon Aug 9 13:06:41 EDT 2010

On Sat, Aug 07, 2010 at 04:08:05PM +0200, Henning Thielemann wrote:
> On Sat, 7 Aug 2010, Korcan Hussein wrote:
>> Hello I can build all of transformers (http://hackage.haskell.org/package/transformers) but only when excluding the files:
>> Control.Monad.Trans.RWS.Lazy,
>> Control.Monad.Trans.State.Lazy,
>> Control.Monad.Trans.Writer.Lazy
>> Which use irrefutable patterns, I could probably make this work without 
>> them but I just thought it was worth mentioning.
> I remember I already complained about this issue and wrote a quick fix  
> that replaces the ~ with let's.

Thanks for the report, I had looked into it before a bit when Henning
reported it, but didn't get around to fixing it then. I was able to fix
it now, so it will be fixed in the next release.


John Meacham - ⑆repetae.net⑆john⑈ - http://notanumber.net/

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