fn pop_all_parents<'s>(
    lhs_node: Option<&'s Syntax<'s>>,
    rhs_node: Option<&'s Syntax<'s>>,
    lhs_parent_id: Option<NonZeroU32>,
    rhs_parent_id: Option<NonZeroU32>,
    parents: &Stack<EnteredDelimiter<'s>>
) -> (Option<&'s Syntax<'s>>, Option<&'s Syntax<'s>>, Option<NonZeroU32>, Option<NonZeroU32>, Stack<EnteredDelimiter<'s>>)
Expand description

Pop as many parents of lhs_node and rhs_node as possible. Return the new syntax nodes and parents.