code: func (s PlayerStandings) ByWinnings(oldTieBreak bool) {
  	if oldTieBreak {
  		sort.Sort(sort.Reverse(ByWinningsOld{s}))
  	} else {
  		sort.Sort(sort.Reverse(ByWinnings{s}))
  	}
  }
docs: // Various ways to sort the player standings using helper structs that
  // implement different comparison methods.