// Adds name to a scope/loop and allows to break from it by name
// Example:
//    LABELED(outerLoop) for (auto it = container.begin(); it != container.end(); it++)
//    {
//        switch (*it)
//        {
//        case 1:
//            BREAK_FROM(outerLoop);
//        }
//    }
#define LABELED(scopeName)  if (false) scopeName:; else
#define BREAK_FROM(scopeName) goto scopeName