CD
data Tree a = Nil | Branch (Tree a) a (Tree a)Size: a a a
CD
data Tree a = Nil | Branch (Tree a) a (Tree a)RP
AZ
data Tree a = Nil | Branch (Tree a) (Tree a) a (Tree a)CD
SP
CD
data Tree a = Nil | Branch (Tree a) (Tree a) a (Tree a)AZ
RP
CD
CD
AZ
CD
AZ
CD
EP
CD
RP
AZ
AZ
AZ