If Statement with Declaration

[Nemanja Boric via Digitalmars-d]

On Wednesday, 19 July 2017 at 14:26:52 UTC, Dukc wrote:
> On Wednesday, 19 July 2017 at 13:37:50 UTC, Adam D. Ruppe wrote:
>> I like it.
>
> Me too. I think this should also apply to switch and with 
> statements. Perhaps while statements too.

Right, C++17 has it also for a switch:

```
If init-statement is used, the switch statement is equivalent to
{
init_statement
switch ( condition ) statement
}
```

http://en.cppreference.com/w/cpp/language/switch