[Haskell-cafe] Data Types a la Carte - automatic injections (help!)

[Brandon S. Allbery KF8NH]

On 2008 Jul 28, at 23:23, Kenn Knowles wrote:

> What confuses me is that IncoherentInstances is on, but it is still
> rejected by GHC 6.8.3 seemingly for being incoherent.  I haven't tried
> it with any other version.  Am I missing something?  Any suggestions
> or pointers?

Er?  Looks to me like it wants the OverlappingInstances language  
extension.

-- 
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH