michael@0: function nonEmptyStack1Helper(o, farble) {
michael@0:     var a = [];
michael@0:     var j = 0;
michael@0:     for (var i in o)
michael@0:         a[j++] = i;
michael@0:     return a.join("");
michael@0: }
michael@0: 
michael@0: function nonEmptyStack1() {
michael@0:     return nonEmptyStack1Helper({a:1,b:2,c:3,d:4,e:5,f:6,g:7,h:8}, "hi");
michael@0: }
michael@0: 
michael@0: assertEq(nonEmptyStack1(), "abcdefgh");