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:[EMAIL PROTECTED]
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