michael@0: // When the argument to Map contains a key multiple times, the last value is retained.
michael@0: 
michael@0: var arg = [["zero", 7], ["one", 1], ["two", 4], ["zero", 8], ["two", 2], ["zero", 0]];
michael@0: var m = Map(arg);
michael@0: assertEq(m.get("zero"), 0);
michael@0: assertEq(m.get("one"), 1);
michael@0: assertEq(m.get("two"), 2);
michael@0: assertEq(m.size, 3);