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(load "../common")

(defvarl v :v)
(defsymacro u (identity :u))

(mtest
  [(lambda (:key))] nil
  [(lambda (:key a))] :error
  [(lambda (:key a) a) 1] 1)

(mtest
  [(lambda (:key -- (a v)) a)] :v
  [(lambda (:key -- (a 'v)) a)] v
  [(lambda (:key -- (a v a-p)) (list a a-p))] (:v nil)
  [(lambda (:key -- (a 'v a-p)) (list a a-p))] (v nil))

(mtest
  [(lambda (:key -- (a v)) a) :a 1] 1
  [(lambda (:key -- (a 'v)) a) :a 1] 1
  [(lambda (:key -- (a v a-p)) (list a a-p)) :a 1] (1 t)
  [(lambda (:key -- (a 'v a-p)) (list a a-p)) :a 1] (1 t))

(mtest
  [(lambda (:key -- (a v) (b u)) (list a b)) :a 1] (1 :u)
  [(lambda (:key -- (a 'v) (b 'u)) (list a b)) :b 1] (v 1)
  [(lambda (:key -- (a v a-p) (b u b-p)) (list a a-p b b-p)) :a 1] (1 t :u nil)
  [(lambda (:key -- (a v a-p) (b u b-p)) (list a a-p b b-p)) :b 1] (:v nil 1 t))

(test
  [(lambda (:key -- (a v) . r) (list a r)) :a 1] (1 (:a 1)))

(defun key-place (:key -- x y (s nil s-p)) ^(,x ,y ,s ,s-p))

(defset key-place (:key -- x y) s
  ^(key-place :x ,x :y ,y :s ,s))

(test
  (set (key-place :x 3 :y 4) 42) (3 4 42 t))