4 ms·

But what if one of the arguments is a function call? Then it isn't easy to prove there are no side effects

• chrisseaton 5y ago
  If it’s too big to in-line then yes.
  • vlovich123 5y ago
    That’s says absolutely nothing about whether the function has a side effect.
    • chrisseaton 5y ago
      If you can inline it into the compilation unit, then you can see if it has side effects or not.
      • deleted 5y ago
        [deleted]