isomorphism/these — pull request #3 by mgsloan (2012-02-20 08:11:11+00:00)
Title: Align for Vector

I realize that this looks kinda messy, but it seems to be right.

Compare to http://hackage.haskell.org/packages/archive/vector/0.9.1/doc/html/src/Data-Vector-Fusion-Stream-Monadic.html#zipWithM