use crate::{CandleComponent, CandleComponentUpdate, TakerTrade};
#[derive(Debug, Default, Clone)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct NumTrades<T> {
value: T,
}
impl CandleComponent<u32> for NumTrades<u32> {
#[inline(always)]
fn value(&self) -> u32 {
self.value
}
#[inline(always)]
fn reset(&mut self) {
self.value = 0;
}
}
impl<T: TakerTrade> CandleComponentUpdate<T> for NumTrades<u32> {
#[inline(always)]
fn update(&mut self, _: &T) {
self.value += 1;
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn num_trades() {
let mut m = NumTrades::default();
for t in &crate::candle_components::tests::TRADES {
m.update(t);
}
assert_eq!(m.value(), 10);
}
}