using static System.Console;
using System.Collections.Generic;
public class Program {
public static void Main() {
ImprimeValores(null);
ImprimeValores(new List<int>());
ImprimeValores(new List<int> { 1, 2, 3 });
}
static void ImprimeValores(IList<int> values) {
if (values != null) foreach(int v in values) WriteLine("value:" + v);
}
}
//https://pt.stackoverflow.com/q/129966/101
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