WebJan 5, 2024 · switch (typeof (Int32).Name) { case nameof (Int32): Console.WriteLine ("It's an Int32!"); break; case nameof (Double): Console.WriteLine ("It's a Double"); break; } Share Improve this answer Follow answered Jan 5, 2024 at 17:01 Lukas Körfer 13.1k 7 46 61 1 WebOct 3, 2024 · There is a simple answer to this question which uses a dictionary of types to look up a lambda function. Here is how it might be used: var ts = new TypeSwitch () . Case ( (int x) => Console. WriteLine ("int") ) . Case ( (bool x) => Console. WriteLine ("bool") ) . Case ( (string x) => Console. WriteLine ("string") ); ts. Switch (42) ; ts.
C# - Switch on Type System Out Of Memory
WebMar 19, 2010 · The method GetTypesOf is the one that is the real solution to the problem. Notice how it works with any type that implements the ITask interface, and never tries to reference the generic type by its' name. As long as the generic implements ITask, it doesn't care what the current type is. public List GetTypesOf () where U : ITask, new () {. WebMar 21, 2024 · The runtime type of a variable is the type of instance that is assigned to that variable. expr is an instance of a type that implements the type interface. The following code example in Listing 7 uses a type to compare with an enum, an Array, and a List as an expression in the switch..case statement. tsp death notification
C# Switch With Examples
WebApr 7, 2024 · For more information, see C# operators. typeof operator The typeof operator obtains the System.Type instance for a type. The argument to the typeof operator must … WebJan 14, 2024 · Yes, that's actually a relatively new feature in C# (can't remember the C# version, I think 7?) Not sure what you actually want to do, but you can change / convert … WebJan 4, 2024 · C# switch expression relational pattern Powerful logic can be constructed with relational patterns. Program.cs var nums = new List {-3, 2, 0, 1, 9, -2, 7}; foreach (var num in nums) { var res = num switch { < 0 => "negative", 0 => "zero", > 0 => "positive" }; Console.WriteLine ($" {num} is {res}"); } We have a list of integers. phippsburg co zip code