22 ms·

I rarely see the comma operator used, but it can be quite handy, eg: if (turn_on() || reset(), turn_on()) { // try to turn it on. if fail, reset and try aga

I rarely see the comma operator used, but it can be quite handy, eg: if (turn_on() || reset(), turn_on()) { // try to turn it on. if fail, reset and try again // it's on }

jolmg 6y ago
> if fail, reset and try again It's always going to try again, though, even if successful the first time. Perhaps you forgot parentheses? if (turn_on() || (reset(), turn_on()))
- jacknews 6y ago
  uh, oops. yes indeed.