//! Trait for indicators that consume basis (futures−spot spread) snapshots.
use crate::core::types::Basis;
use crate::bar_indicators::indicator_value::IndicatorValue;
/// Indicators that process futures basis data.
pub trait BasisConsumer {
/// Process a new basis snapshot and return the updated value.
fn update_basis(&mut self, b: &Basis) -> 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;
}