//! Trait for indicators that consume contract settlement events.
use crate::core::types::SettlementEvent;
use crate::bar_indicators::indicator_value::IndicatorValue;
/// Indicators that process contract settlement events.
pub trait SettlementEventConsumer {
/// Process a new settlement event and return the updated value.
fn update_settlement(&mut self, s: &SettlementEvent) -> IndicatorValue;
/// Current value without updating.
fn value(&self) -> IndicatorValue;
/// Reset internal state.
fn reset(&mut self);
/// True if the indicator has enough data to produce reliable signals.
fn is_ready(&self) -> bool;
}