klinger

// Klinger Volume Force Oscillator
// Defaults of "klinger" (see the indicator reference)
let params = HashMap::from([
    ("fast_len".to_string(), 34.0),
    ("signal_len".to_string(), 13.0),
    ("slow_len".to_string(), 55.0),
]);
let mut indicator = build_checked("klinger", &params)?;

for bar in &bars {
    if let Some(output) = indicator.on_bar(bar) {
        // output.value, output.extra[...], indicator.alerts()
    }
}