Switch-Case: declaration-with-initialization & declaration-and-then-assignment

Question

In the switch-case statements declaration-with-initialization is invalid but declaration-and-then-assignment is allowed. As shown in the fo

Answer 1

In fact, neither are legal C++. You cannot declare a variable in a switch case unless it is scoped:

switch(val)  
{  
case 0:  
  {
    int newVal = 42;  // now valid
  }
  break;
case 1:  
  {
    int newVal2;      // still Valid
    newVal2 = 42;  
  }
  break;
case 2:
  break;
}

The fact that your compiler permits case 1 is a defect of your compiler, or possibly an extension. At least, according to the standard.