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use crate::{CandleComponent, Trade};
#[derive(Debug, Default, Clone)]
pub struct Volume {
volume: f64,
}
impl CandleComponent for Volume {
#[inline(always)]
fn value(&self) -> f64 {
self.volume
}
#[inline(always)]
fn update(&mut self, trade: &Trade) {
self.volume += trade.size.abs()
}
#[inline(always)]
fn reset(&mut self) {
self.volume = 0.0;
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn volume() {
let mut m = Volume::default();
let mut sum: f64 = 0.0;
for t in &crate::candle_components::tests::TRADES {
sum += t.size.abs();
m.update(t);
assert_eq!(m.value(), sum);
}
}
}