--
macro_rules | `($x + $y)   => `(binop% HAdd.hAdd $x $y)
macro_rules | `($x ^ $y)   => `(binop% HPow.hPow $x $y)

mutual

def h (x : Nat) : Int:=
  match x with
  | 0 => 1
             --v textDocument/definition
  | x+1 => r x + r x + h x ^ 2
                         --^ textDocument/definition
         --^ textDocument/definition

def r (x : Nat) := x + 1
end