Function external_position

atomic-repository/src/repository/deferred_tree.rs:182–192

(
    change_hash: Hash,
    position: Position<Option<Hash>>,
)

}

fn external_position(
    change_hash: Hash,
    position: Position<Option<Hash>>,
) -> Option<Position<Hash>> {
    let change = match position.change {
        None => change_hash,
        Some(hash) if hash == Hash::NONE => return None,
        Some(hash) => hash,
    };
    Some(Position::new(change, position.pos))
}

fn current_path_for_position<T: GraphTxnT + TreeTxnT>(
    txn: &T,