[Haskell] Template id function

Hi I am trying to learn Meta Haskell. One thing I want to do is create an identity function. It should get a type constructor as input and return the same type constructor as output. It should be possible to do: $(idDecl data Foo = Foo Int) and it should "return": data Foo = Foo Int Is this possible? if yes, how does one do it? -- Mads Lindstrøm <mads_lindstroem@yahoo.dk>