ComponentHook based Parent/Children Management

benches/benches/bevy_ecs/world/despawn_recursive.rs

@@ -1,7 +1,5 @@
 use bevy_ecs::prelude::*;
-use bevy_hierarchy::despawn_with_children_recursive;
-use bevy_hierarchy::BuildChildren;
-use bevy_hierarchy::ChildBuild;
+use bevy_hierarchy::{Children, DespawnRecursive, BuildChildren, ChildBuild};
 use criterion::Criterion;
 use glam::*;
 
@@ -29,7 +27,7 @@ pub fn world_despawn_recursive(criterion: &mut Criterion) {
         group.bench_function(format!("{}_entities", entity_count), |bencher| {
             bencher.iter(|| {
                 ents.iter().for_each(|e| {
-                    despawn_with_children_recursive(&mut world, *e, true);
+                    DespawnRecursive::<Children>::new(*e).apply(&mut world);
                 });
             });
         });