Herbert Valerio Riedel
hvr at gnu.org
Sat Nov 17 16:20:31 CET 2012
Dan Burton <danburton.email at gmail.com> writes:
> What is the status on this?
well, judging from SPJ's last comment I found on that topic, the
proposal seems to have been stuck, and it seems we have to make our
desire for that feature more apparent:
| From: <http://permalink.gmane.org/gmane.comp.lang.haskell.libraries/16212>
| > With regard to , default superclass instances, is there already a plan to
| > implement them? And if so, when is it expected to be finished?
| >  http://hackage.haskell.org/trac/ghc/wiki/DefaultSuperclassInstances
| It definitely won't be in 7.4 I'm afraid.
| One thing that would be motivating would be a list of people who
| actively want default superclass instances and why you want them. My
| own priorities for implementing stuff are much influenced by what
| GHC's users seem to value. I've added an "Applications" section to
| ; do add yourself and sketch how you'd use the new feature.
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