1/2: Building Stuff (Stuff.idr)
2/2: Building Functor (Functor.idr)
Main>  0 b : Type
 0 a : Type
 0 d : Type
 0 c : Type
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foo : (a -> b) -> Test c d a -> Test c d b
Main>  0 b' : Type
 0 a' : Type
 0 b : Type
 0 a : Type
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bar : (a' -> b') -> Test a b a' -> Test a b b'
Main> Bye for now!