24 Oct
2012
24 Oct
'12
7:02 a.m.
Hi Jon On Wed, Oct 24, 2012 at 11:08:29AM +0100, Jon Fairbairn wrote:
for each field, which is tedious (and O(n)). Obviously Templates would help, but is there an alternative I’ve missed?
perhaps something like: data Type = Ta | Tb | Tc ... data E = Ea A | Eb B | Ec C | ... type D = HashMap Type E get :: Type -> D -> Maybe E get = lookup Greetings, Daniel