switch with several arguments

[Gavin Bierman]

You’ll not be surprised to hear that we’ve thought about it. It is certainly a very cool extension and makes for some very slick code. Personally I think it should wait until we have thought about tuples more generally (which might well be part of a value types enhancement).

Gavin

> On 13 Dec 2017, at 10:25, Remi Forax <forax at univ-mlv.fr> wrote:
> 
> Should we support a switch with several arguments ?
> 
> By example:
>  for(int i = 1; i < 100; i++) {
>    System.out.println(
>      switch(i % 3, i % 5) {
>        case (0, 0) -> "FizzBuzz";
>        case (0, _) -> "Fizz";
>        case (_, 0) -> "Buzz";
>        default -> i;
>      });
>  }
> 
> Apart FizzBuzz, it's very convenient when you want to merge things, take decision depending on more than one value.
> 
> Note that this example also use the "locals do not need to be effectively final" semantics.
> 
> Rémi