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

foreach(@lambda(x,y) { printf("%d,%s\n",x,y); }, mp);
foreach(@lambda(x,y) { print(x+y); }, vec,lst);
foreach(@lambda(x,y) { print(x,y); }, [10,11,12,13,14],vec);

foreach(@lambda(x,y,z,a) { print([x,y,z,a]); }, [1,2,3,4,5], [6,7,8,9,10], [11,12,13,14,15],[1,1,1,1,1]);