fix example

Author: SpecificProtagonist

examples/ecs/component_hooks.rs

@@ -75,7 +75,9 @@ fn setup(world: &mut World) {
             let value = world.get::<MyComponent>(entity).unwrap().0;
             println!(
                 "{component_id:?} added to {entity:?} with value {value:?}{}",
-                caller.map(|location| format!("due to {location}").unwrap_or_default())
+                caller
+                    .map(|location| format!("due to {location}"))
+                    .unwrap_or_default()
             );
             // Or access resources
             world
@@ -102,7 +104,9 @@ fn setup(world: &mut World) {
             let value = world.get::<MyComponent>(entity).unwrap().0;
             println!(
                 "{component_id:?} removed from {entity:?} with value {value:?}{}",
-                caller.map(|location| format!("due to {location}").unwrap_or_default())
+                caller
+                    .map(|location| format!("due to {location}"))
+                    .unwrap_or_default()
             );
             // You can also issue commands through `.commands()`
             world.commands().entity(entity).despawn();