==========
Definition
==========

foo (A : *) (x y z : A) := x;

---

(program
  (definition
    (identifier)
    (param_block
      (param
        (identifier))
      (type
        (expr
          (app_term
            (app
              (term
                (star)))))))
    (param_block
      (param
        (identifier))
      (param
        (identifier))
      (param
        (identifier))
      (type
        (expr
          (app_term
            (app
              (term
                (identifier)))))))
    (expr
      (app_term
        (app
          (term
            (identifier)))))))