# NB: The empty line in 'init' configures a frontier with no keys. It should # never be added to the heap. init b e j a p n z f ---- scan a b c d e f g h j i k l m n o p q r s t u v w x y z ---- a : { b: "b", p: "p", f: "f" } b : { e: "e", p: "p", f: "f" } c : { e: "e", p: "p", f: "f" } d : { e: "e", p: "p", f: "f" } e : { f: "f", p: "p", j: "j" } f : { j: "j", p: "p" } g : { j: "j", p: "p" } h : { j: "j", p: "p" } j : { p: "p" } i : { p: "p" } k : { p: "p" } l : { p: "p" } m : { p: "p" } n : { p: "p" } o : { p: "p" } p : { z: "z" } q : { z: "z" } r : { z: "z" } s : { z: "z" } t : { z: "z" } u : { z: "z" } v : { z: "z" } w : { z: "z" } x : { z: "z" } y : { z: "z" } z : { } scan z ---- z : { } scan a z ---- a : { b: "b", p: "p", f: "f" } z : { } scan e ---- e : { f: "f", p: "p", j: "j" } # Test duplicate user keys within a frontier and across individual frontiers. init b e e g c e z ---- scan a c d f z ---- a : { b: "b", c: "c" } c : { e: "e", e: "e" } d : { e: "e", e: "e" } f : { g: "g", z: "z" } z : { }