func (l *LimitOrder) OppositeSide() (sideStr string) {
	if l.IsBuySide() {
		sideStr = "sell"
	} else if l.IsSellSide() {
		sideStr = "buy"
	}
	return
}
// OppositeSide is a helper to get the opposite side of the order
OppositeSide is a helper to get the opposite side of the order
// OppositeSide is a helper to get the opposite side of the order
func (l *LimitOrder) OppositeSide() (sideStr string) {
	if l.IsBuySide() {
		sideStr = "sell"
	} else if l.IsSellSide() {
		sideStr = "buy"
	}
	return
}
func ( l * LimitOrder ) OppositeSide ( ) ( sideStr string ) { if l . IsBuySide ( ) { sideStr = " " } else if l . IsSellSide ( ) { sideStr = " " } return }
OppositeSide is a helper to get the opposite side of the order
OppositeSide is a helper to get the opposite side of the order