request switch statement with common block

[Ary Borenszweig]

On 8/3/13 11:38 AM, JS wrote:
>
> switch (cond)
>      common: always executed code here
>      case A : etc...
>      ....
> }
>
> instead of
>
> if (cond) { always executed code here  }
> switch (cond)
>      case A : etc...
>      ....
> }
>
> which requires modification of the condition twice when necessary

Do you mean this?

switch(cond) {
   case A:
     common_code();
     // something
   case B:
     common_code();
     // something else
}

(common_code() must not be executed if it doesn't hit any switch case)