[Haskell-beginners] help with a class definition

Rustom Mody rustom.mody at parsci.com
Mon Nov 28 15:21:56 CET 2011

The Data.Vector.Unboxed page on hackage has the following line

class (Vector Vector a, MVector MVector a) => Unbox a

Can someone explain whats the repeating Vector (and MVector) there?
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