var dude = "Dude"; var dude2 = new { Name = "Dude", Age = 30, }; var dude3 = new { Name = "Dude", Age = 30, Kids = new { Name = "LittleDude" } }; var dude4 = new { Name = "Dude", Age = 30, Kids = new[] { "LittleDude" } }; var dude5 = new { Name = "Dude", Age = 30, Kids = new[] { new { Name = "LittleDude" } } }; Action y = () => { }; Func z = (a, b) => { var z = new { a, b }; return(z == null); };