Change D.V.IVector.unsafeIndex to be monadic
drwxr-xr-x - Data
-rw-r--r-- 1641 LICENSE
-rw-r--r-- 47 Setup.hs
drwxr-xr-x - include
drwxr-xr-x - tests
-rw-r--r-- 2507 vector.cabal