c++ switch jump to case label code example

Example 1: jump to case label c++

put everything in the case x: under {} brackets
metti tutto quello nel case x: sotto le parentesi {}

Example 2: cannot jump from switch statement to this case label c++

switch(foo) {
  case 1:
    int i = 42; // i exists all the way to the end of the switch
    dostuff(i);
    break;
  case 2:
    dostuff(i*2); // i is *also* in scope here, but is not initialized!
}