[Haskell-cafe] Unboxed Rationals?

[Artyom Kazak]

You can use Data.Vector.Unboxed. There isn't an instance for Ratio a, but  
it is easy to write one, since it would be very similar to Complex a.

http://hackage.haskell.org/packages/archive/vector/0.9.1/doc/html/Data-Vector-Unboxed.html#t:Unbox