Function chalk_recursive::combine::with_priorities

pub(crate) fn with_priorities<I: Interner>(
    interner: I,
    domain_goal: &DomainGoal<I>,
    a: Solution<I>,
    prio_a: ClausePriority,
    b: Solution<I>,
    prio_b: ClausePriority
) -> (Solution<I>, ClausePriority)