upgrade to vector-0.5, use library to peek contents of underlying array
upgrade to vector-0.5, use library to peek contents of underlying array

Ignore-this: 2db7f5f69eefe225336c2f7690935aaa

darcs-hash:20100223074539-9241b-ca1abb22e7d110e60562bc6ac87e4179ee137d23.gz

tmcdonell/hfx,tmcdonell/hfx,tmcdonell/hfx