Your only supported choice is the func like you did. See [this article][1] for more information. His example: var result = operation switch { “+” => ((Func<int>)(() => { Log(“addition”); return a + b; }))(), “-” => ((Func<int>)(() => { Log(“subtraction”); return a – b; }))(), “/” => ((Func<int>)(() => { Log(“division”); return a / … Read more
The switch statement: Unlike the if/else if/else statement, a switch statement can have a number of possible execution paths. A switch works with the primitive types, byte, short, char, and int, their respective wrapper types (Byte, Short, Character, and Integer), enumerated types, and the String type1. While an if-else statement is used to test expressions … Read more
Actually this is possible using switch expression starting with C# 8. return a switch { 1 => “lalala”, 2 => “blalbla”, 3 => “lolollo”, _ => “default” }; Switch Expression There are several syntax improvements here: The variable comes before the switch keyword. The different order makes it visually easy to distinguish the switch expression … Read more
Maybe yield a Consumer of Event, so you yield something useful, the trade off is one more line for consumer.accept. Consumer<Event> consumer = switch (event.getEventType()) { case ORDER -> e -> handle((OrderEvent) e); case INVOICE -> e -> handle((InvoiceEvent) e); case PAYMENT -> e -> handle((PaymentEvent) e); }; consumer.accept(event); Continue if you concern performance Based … Read more
TL;DR It is not possible. In C# 8 switch expression cannot return void. It must return a value and this value must be consumed (assigned to a variable, passed as an argument to a method, returned as a result of a method, etc.). But there is a workaround. We can write a switch expression that … Read more
Yes. It’s supported as of .NET 4.7 and C# 8. The syntax is nearly what you mentioned, but with some parenthesis (see tuple patterns). switch ((intVal1, strVal2, boolVal3)) { case (1, “hello”, false): break; case (2, “world”, false): break; case (2, “hello”, false): break; } If you want to switch and return a value there’s … Read more
Actually this is possible using switch expressions starting with C# 8. return a switch { 1 => “lalala”, 2 => “blalbla”, 3 => “lolollo”, _ => “default” }; Switch Expressions There are several syntax improvements here: The variable comes before the switch keyword. The different order makes it visually easy to distinguish the switch expression … Read more
You don’t need to convert it switch(op) { case Operator.PLUS: { // your code // for plus operator break; } case Operator.MULTIPLY: { // your code // for MULTIPLY operator break; } default: break; } By the way, use brackets
C# 9 supports the following: var switchValue = 3; var resultText = switchValue switch { 1 or 2 or 3 => “one, two, or three”, 4 => “four”, 5 => “five”, _ => “unknown”, }; Alternatively: var switchValue = 3; var resultText = switchValue switch { >= 1 and <= 3 => “one, two, or … Read more