Esempio n. 1
0
 /// <inheritdoc cref="IDisposable.Dispose" />
 public void Dispose()
 {
     TestStream?.Dispose();
     TestIn?.Dispose();
     TestOut?.Dispose();
     TestError?.Dispose();
 }
Esempio n. 2
0
        static void Main(string[] args)
        {
            //协变
            TestOut <Derived> OD = () =>
            {
                return(new Derived());
            };
            TestOut <Base> OB      = OD;
            Base           baseVar = OB();
            //逆变
            TestIn <Base> IB = (a) =>
            {
            };
            TestIn <Derived> ID = IB;

            ID(new Derived());
        }