Function option_template 

fn option_template(
    name: &str,
    exchange: FuturesExchange,
    underlying_root: &'static str,
    currency: &str,
    premium_style: PremiumStyle,
    point_value: f64,
    tick: Option<f64>,
    strike_interval: Option<f64>,
    expiry_rule: OptionExpiryRule,
    calendar_centers: &'static str,
    source: &'static str,
) -> FutureOptionTemplate

Builds one row.