pub fn trend_follower_batch_slice(
high: &[f64],
low: &[f64],
close: &[f64],
volume: &[f64],
range: &TrendFollowerBatchRange,
) -> Result<TrendFollowerBatchOutput, TrendFollowerError>pub fn trend_follower_batch_slice(
high: &[f64],
low: &[f64],
close: &[f64],
volume: &[f64],
range: &TrendFollowerBatchRange,
) -> Result<TrendFollowerBatchOutput, TrendFollowerError>