print BoolType = print "Bool"
print CharType = print "Char"
print VoidType = print "Void"
+ print (FuncType t) = ["(-> ":print t] ++ [")"]
print (t1 ->> t2) = ["(":print t1 ++ [" -> ":print t2]] ++ [")"]
instance print String where
toString e = concat $ print e
printSelectors :: [FieldSelector] -> [String]
-printSelectors x = case x of [] = [""]; _ = [".":printersperse "." x]
+printSelectors fs = printersperse "." fs
printFunCall :: String [Expr] [FieldSelector] -> [String]
printFunCall s args fs = [s, "(":printersperse "," args] ++ [")"] ++