[C#] Func 복습

            Func<string> func1 = () => "func1";
            Console.WriteLine(func1());

            Func<string> func2 = () => { return "func2"; };
            Console.WriteLine(func2());

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            Func<int, int> func1 = (n) => n * n;
            Console.WriteLine(func1(3));

            Func<int, int> func1 = (n) => { return n * n; };
            Console.WriteLine(func1(3));

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