vec = mkvec(5,1);
lst = [1,2,3,4];
mp = [ 1 : "one", 2 : "two", 3 : "three" ];

foreach(@lambda(x,y) { printf("%d,%s\n",x,y); }, mp);
foreach(@lambda(x) { print(x); }, vec);
foreach(@lambda(x) { print(x); }, lst);