Function bars_to_rows

crates/pyopenquant/src/helpers.rs:119–137

(
    bars: Vec<openquant::data_structures::StandardBar>,
)

}

pub fn bars_to_rows(
    bars: Vec<openquant::data_structures::StandardBar>,
) -> Vec<(String, String, f64, f64, f64, f64, f64, f64, usize)> {
    bars.into_iter()
        .map(|b| {
            (
                b.start_timestamp.format("%Y-%m-%d %H:%M:%S").to_string(),
                b.timestamp.format("%Y-%m-%d %H:%M:%S").to_string(),
                b.open,
                b.high,
                b.low,
                b.close,
                b.volume,
                b.dollar_value,
                b.tick_count,
            )
        })
        .collect()
}

pub fn build_ohlcv_columns(
    timestamps_us: Vec<i64>,