pub fn partition<'a, F: Fn((ClusterId<()>, String)) -> (ClusterId<()>, String) + 'a>( cluster1: Cluster<'a, ()>, cluster2: Cluster<'a, ()>, dist_policy: impl IntoQuotedMut<'a, F, Cluster<'a, ()>>, ) -> (Cluster<'a, ()>, Cluster<'a, ()>)