How can I define a label inside a switch?

[MachineCode via Digitalmars-d-learn]

On Sunday, 14 December 2014 at 18:27:28 UTC, ketmar via 
Digitalmars-d-learn wrote:
> On Sun, 14 Dec 2014 18:24:39 +0000
> MachineCode via Digitalmars-d-learn 
> <digitalmars-d-learn at puremagic.com>
> wrote:
>
>> I used to do it in C but in D it's giving this compile error 
>> message:
>> 
>> > switch case fallthrough - 'use goto case;' if intended
>> 
>> Here's the code:
>> 
>> > switch(value) {
>> > // alof of cases here
>> > // ...
>> > white: // regular label
>> >			case 'a': case 'c':
>> >			case 'd': case 'k':
>> >				do_something();
>> >				break;
>> >  case 'e':
>> >        do_something2();
>> >         break;
>> >  default: assert(0);
>> > }
>> 
>> How is it fall through if there's a break? does D switch 
>> differ from C in any way?
> why do you need that? you can use literally what compiler told 
> you:
> `goto case 'a';` for example.

The labels are disabled then? I find that goto case case_value 
ugly and prefer goto labelName; but if it's the only way to go 
let's do it