fn fold_dynamic_effect(
view: ActorView<'_>,
target: Option<EnemyIdx>,
stacks: f64,
effect: &BuffEffect,
now: SimTime,
totals: &mut BuffTotals,
)fn fold_dynamic_effect(
view: ActorView<'_>,
target: Option<EnemyIdx>,
stacks: f64,
effect: &BuffEffect,
now: SimTime,
totals: &mut BuffTotals,
)