Hi all,
as far as i remember, the current idea to differentiate between a break label 
and a break value is to let the compiler figure this out,
i wonder if it's not simpler to disallow break label (and continue label) 
inside an expression switch.

After all, an expression switch do not exist yet, so no backward compatibility 
issue, it may make some refactoring impossible but had the great advantage to 
do not allow a lot of puzzler codes like the one below.

enum Result {

Result result(String[] args) {
  ONE: for(String s: args) {
     return switch(s) {
       case "several":
       case "many":
         break MANY;
       case "one":
         break ONE;
  throw ...;


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