.NET1 ?. ??= ?. ??= Visual Studio 2022 .Net 6.0 Console Application Person? p1 = null; Person? p2 = new Person("John", 23); Console.WriteLine(p1?.Name); Console.WriteLine(p2?.Name); Console.WriteLine($"p1 is {(p1 ?? new Person("Bob", 12)).ToString()}"); List pl = new List(); (pl ??= new List()).Add(new Person("Jane", 23)); Console.WriteLine($"{pl.Count} : {pl[0].ToString()}"); (pl ??= new List()).Add(new Per.. 2022. 9. 4. 이전 1 다음
