patch applied (cabal): Add VersionIntervals, a view of VersionRange

Tue Dec 2 06:10:40 PST 2008 Duncan Coutts * Add VersionIntervals, a view of VersionRange as a sequence of non-overlapping intervals. This provides a canonical representation for the semantics of a VersionRange. This makes several operations easier. M ./Distribution/Version.hs +202 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20081202141040-adfee-c0fa38a68...