Question

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Why was the switch statement designed to need a break?

I have this:

switch(i)
{
  case a:
  {
   //code
  }
  case b:
  {
   //code
  }
  case c:
  {
   //code
  }
}

If i == a, will the code in b and c be executed or must I put a break; in each one?

Thanks,

Answer 1

Must I put a break; in each one?

Yes, if you only want a single case to execute. Alternatively, other control flow statements can also cause a switch to be exited, like return or throw.

If you were to replace //code with, say, std::cout << "case [x]" << std::endl, the answer would be readily apparent.