C#. Do if( a == (b or c or d)). Is it possible?

Question

Is there another way to write something like this:

if (a == x || a == y || a == z)

One way that I found is doing it like this:

Answer 1

You have the classic switch statement :

switch(a) {
    case x:
    case y:
    case z:
        // Do stuff
        break;
}