Function parse_realtime_bar 

pub fn parse_realtime_bar(
    bar_type: BarType,
    open: f64,
    high: f64,
    low: f64,
    close: f64,
    volume: f64,
    price_precision: u8,
    size_precision: u8,
    ts_event: UnixNanos,
    ts_init: UnixNanos,
) -> Result<Bar>

Parse IB real-time bar data into a Bar.

Errors

Returns an error if price or size conversion fails.