[Haskell-cafe] More experiments with ATs
andrewcoppin at btinternet.com
Mon Jul 5 14:36:22 EDT 2010
Brent Yorgey wrote:
> On Sun, Jul 04, 2010 at 10:31:34AM +0100, Andrew Coppin wrote:
>> I have literally no idea what a type family is. I understand ATs (I think!),
>> but TFs make no sense to me.
> ATs are just TFs which happen to be associated with a particular
> class. So if you understand ATs then you understand TFs too, you just
> didn't know it. =)
How would that make sense though? I'm having trouble forming a mental
image of how / why you'd use that...
More information about the Haskell-Cafe