fn process_systems(
    systems: &mut Vec<impl SystemContainer>,
    run_criteria_labels: &HashMap<BoxedRunCriteriaLabel, usize>,
) -> Result<(), DependencyGraphError<HashSet<BoxedSystemLabel>>> {
    let mut graph = graph_utils::build_dependency_graph(systems);
    let order = graph_utils::topological_order(&graph)?;
    let mut order_inverted = order.iter().enumerate().collect::<Vec<_>>();
    order_inverted.sort_unstable_by_key(|(_, &key)| key);
    for (index, container) in systems.iter_mut().enumerate() {
        if let Some(index) = container.run_criteria_label().map(|label| {
            *run_criteria_labels
                .get(label)
                .unwrap_or_else(|| panic!("No run criteria with label {:?} found.", label))
        }) {
            container.set_run_criteria(index);
        }
        container.set_dependencies(
            graph
                .get_mut(&index)
                .unwrap()
                .drain()
                .map(|(index, _)| order_inverted[index].0),
        );
    }
    let mut temp = systems.drain(..).map(Some).collect::<Vec<_>>();
    for index in order {
        systems.push(temp[index].take().unwrap());
    }
    Ok(())
}
/// Sorts given system containers topologically, populates their resolved dependencies
/// and run criteria.
Sorts given system containers topologically, populates their resolved dependencies
and run criteria.
Sorts given system containers topologically populates their resolved dependencies and run criteria .
fn process_systems(
    systems: &mut Vec<impl SystemContainer>,
    run_criteria_labels: &HashMap<BoxedRunCriteriaLabel, usize>,
) -> Result<(), DependencyGraphError<HashSet<BoxedSystemLabel>>> {
    let mut graph = graph_utils::build_dependency_graph(systems);
    let order = graph_utils::topological_order(&graph)?;
    let mut order_inverted = order.iter().enumerate().collect::<Vec<_>>();
    order_inverted.sort_unstable_by_key(|(_, &key)| key);
    for (index, container) in systems.iter_mut().enumerate() {
        if let Some(index) = container.run_criteria_label().map(|label| {
            *run_criteria_labels
                .get(label)
                .unwrap_or_else(|| panic!("No run criteria with label {:?} found.", label))
        }) {
            container.set_run_criteria(index);
        }
        container.set_dependencies(
            graph
                .get_mut(&index)
                .unwrap()
                .drain()
                .map(|(index, _)| order_inverted[index].0),
        );
    }
    let mut temp = systems.drain(..).map(Some).collect::<Vec<_>>();
    for index in order {
        systems.push(temp[index].take().unwrap());
    }
    Ok(())
}
fn process_systems ( systems : & mut Vec < impl SystemContainer > , run_criteria_labels : & HashMap < BoxedRunCriteriaLabel , usize > , ) -> Result < ( ) , DependencyGraphError < HashSet < BoxedSystemLabel > > > { let mut graph = graph_utils :: build_dependency_graph ( systems ) ; let order = graph_utils :: topological_order ( & graph ) ? ; let mut order_inverted = order . iter ( ) . enumerate ( ) . collect :: < Vec < _ > > ( ) ; order_inverted . sort_unstable_by_key ( | ( _ , & key ) | key ) ; for ( index , container ) in systems . iter_mut ( ) . enumerate ( ) { if let Some ( index ) = container . run_criteria_label ( ) . map ( | label | { * run_criteria_labels . get ( label ) . unwrap_or_else ( | | panic ! ( " " label ) ) } ) { container . set_run_criteria ( index ) ; } container . set_dependencies ( graph . get_mut ( & index ) . unwrap ( ) . drain ( ) . map ( | ( index , _ ) | order_inverted [ index ] . 0 ) , ) ; } let mut temp = systems . drain ( .. ) . map ( Some ) . collect :: < Vec < _ > > ( ) ; for index in order { systems . push ( temp [ index ] . take ( ) . unwrap ( ) ) ; } Ok ( ( ) ) }
Sorts given system containers topologically, populates their resolved dependencies
and run criteria.
Sorts given system containers topologically populates their resolved dependencies and run criteria .
systems
&mut Vec<impl SystemContainer>
run_criteria_labels
&HashMap<BoxedRunCriteriaLabel, usize>
systems
&mut Vec<impl SystemContainer>
run_criteria_labels
&HashMap<BoxedRunCriteriaLabel, usize>