示例#1
0
        static void Main(string[] args)
        {
            NormalObj normalObj = new NormalObj {
                Id = 1, Description = "A"
            };

            //Need 2 seperate lists
            var numbers = new List <int>();

            numbers.Add(10);

            var normalList = new NormalList();

            normalList.Add(normalObj);

            //Can use one generic list
            //Reusable, No performance penality
            var genericListInt = new GenericList <int>();

            genericListInt.Add(10);

            var genericListNormalObj = new GenericList <NormalObj>();

            genericListNormalObj.Add(normalObj);

            //.NET already has generic collections so there's no need to create our own
            //see System.Collections.Generic
            ICollection <int> A = new List <int>();
            IEnumerable <int> B = new List <int>();
            IList <int>       C = new List <int>();
            //etc

            //Can also make generic objects
            //Also called generic dictionnaries
            GenericObj <int, int, string> intInt = new GenericObj <int, int, string> {
                Id = 1, Description = 1
            };
            GenericObj <int, string, string> intString = new GenericObj <int, string, string> {
                Id = 1, Description = "Description"
            };

            //Value type example
            var valueType     = new ValueTypeConstraint <int>(1);
            var valueTypeNull = new ValueTypeConstraint <int>();

            Console.WriteLine(valueType.GetValueOrDefault().ToString());
            Console.WriteLine(valueTypeNull.GetValueOrDefault().ToString());
        }
示例#2
0
 public void Add(NormalObj value)
 {
     throw new NotImplementedException();
 }