8 Aug
2007
8 Aug
'07
11:59 a.m.
On Aug 8, 2007, at 11:16 AM, peterv wrote:
I’m having difficulty to understand what phantom types are good for. Is this just for improving runtime performance?
I found phantom types to be useful in the implementation of bit-wise set operations. You can find the code Edison: http://hackage.haskell.org/cgi-bin/hackage-scripts/package/ EdisonCore-1.2.1 in the Data.Edison.Coll.EnumSet module. David F. Place mailto:d@vidplace.com