use crate::sim::sim::UpdateCtx;

#[inline]
pub fn sim_update(ctx: &mut UpdateCtx) {
    ctx.candidates_swap(&[
        (0, 1),
        (-1 + 2 * ctx.seqno_parity as i32, 1),
        (1 - 2 * ctx.seqno_parity as i32, 1),
    ]);
}