"Chris R. Miller" <lordSaurontheGreat at gmail.com> wrote in message news:fu8hsc$71p$1 at digitalmars.com... > auto numbers3 = [ 1, 2, 3, 4], []; Sorry, that's entirely wrong. First, he wants an int[]. Second, this is just using the comma operator. It would assign [] into numbers3 (if it compiled, which I don't know).