C# (CSharp) CustomString.Intern示例

示例#1

        private static void WriteInternmentExample()
        {
            Console.WriteLine("Examples of internment.");

            Console.WriteLine("Without internment:");

            var s1 = CustomString.CreateInstance("Hello world".ToCharArray());

            Console.WriteLine($"{nameof(s1)} = \"{s1}\" created...");

            var s2 = CustomString.CreateInstance("Hello world".ToCharArray());

            Console.WriteLine($"{nameof(s2)} = \"{s2}\" created...");

            Console.WriteLine($"{nameof(s1)}.Equals({nameof(s2)}) => {s1.Equals(s2)}");
            Console.WriteLine($"ReferenceEquals({nameof(s1)},{nameof(s2)}) => {ReferenceEquals(s1, s2)}");
            Console.WriteLine();

            Console.WriteLine("With internment:");
            var s3 = CustomString.CreateInstance("Hello world".ToCharArray());

            Console.WriteLine($"{nameof(s3)} = \"{s3}\" created...");

            s3 = CustomString.Intern(s3);
            Console.WriteLine($"{nameof(s3)} = \"{s3}\" interned...");

            var s4 = CustomString.CreateInstance("Hello world".ToCharArray());

            Console.WriteLine($"{nameof(s4)} = \"{s4}\" created...");

            Console.WriteLine($"{nameof(s3)}.Equals({nameof(s4)}) => {s3.Equals(s4)}");
            Console.WriteLine($"ReferenceEquals({nameof(s3)},{nameof(s4)}) => {ReferenceEquals(s3, s4)}");

            WriteSeparatorStringsAndAwaitMessage();
        }