How to ensure the transition to the next case in a switch statement without interrupting the execution of the current one?

In Swift, the switch operator does not support automatic fall-through to the next case as in some other languages (for example, C with fallthrough). To explicitly fall through to the next case, the keyword fallthrough is used.

Example:

let value = 2
switch value {
case 1:
    print("Case 1")
case 2:
    print("Case 2")
    fallthrough  // execution will continue to the next case
case 3:
    print("Case 3")
default:
    break
}

The output will be:

Case 2
Case 3

Thus, fallthrough allows continuing execution of the next case without breaking the current one.