C# (CSharp) NullableReferenceTypes.ToString示例

示例#1

文件： NullableReferenceTypes.cs 项目： tlmii/CSharp8OnFrameworkTestBed

        public static string ReturnAString(NullableReferenceTypes nrt1, NullableReferenceTypes?nrt2)
        {
            if (nrt2 is null)
            {
                // CS8603  Possible null reference return
                //return null;
            }

            return(nrt1.ToString());
        }