diff --git a/examples/empty.rs b/examples/empty.rs
index 2884e24afc..b2f94e5436 100644
--- a/examples/empty.rs
+++ b/examples/empty.rs
@@ -1,7 +1,5 @@
 use bevy::*;
 
 fn main() {
-    AppBuilder::new()
-        .add_defaults()
-        .run();
-}
\ No newline at end of file
+    AppBuilder::new().add_defaults().run();
+}
diff --git a/examples/instancing.rs b/examples/instancing.rs
index b55ddc247a..69f81d92bb 100644
--- a/examples/instancing.rs
+++ b/examples/instancing.rs
@@ -1,6 +1,10 @@
-use bevy::*;
-use bevy::{render::*, asset::{Asset, AssetStorage, Handle}, math::{Mat4, Vec3}, Schedulable};
-use rand::{rngs::StdRng, Rng, SeedableRng, random};
+use bevy::{
+    asset::{Asset, AssetStorage, Handle},
+    math::{Mat4, Vec3},
+    render::*,
+    Schedulable, *,
+};
+use rand::{random, rngs::StdRng, Rng, SeedableRng};
 use std::collections::VecDeque;
 
 struct Person;
@@ -21,16 +25,16 @@ struct Wander {
 }
 
 fn main() {
-    AppBuilder::new()
-        .add_defaults()
-        .setup(&setup)
-        .run();
+    AppBuilder::new().add_defaults().setup(&setup).run();
 }
 
 fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
     let cube = Mesh::load(MeshType::Cube);
     let cube_handle = {
-        let mut mesh_storage = world.resources.get_mut::<AssetStorage<Mesh, MeshType>>().unwrap();
+        let mut mesh_storage = world
+            .resources
+            .get_mut::<AssetStorage<Mesh, MeshType>>()
+            .unwrap();
         mesh_storage.add(cube, "cube")
     };
 
@@ -41,54 +45,64 @@ fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
     scheduler.add_system(AppStage::Update, build_move_system());
     scheduler.add_system(AppStage::Update, build_print_status_system());
 
-    world.insert((), vec![
-        // lights
-        (
-            Light {
-                color: wgpu::Color {
-                    r: 0.8,
-                    g: 0.8,
-                    b: 0.5,
-                    a: 1.0,
+    world.insert(
+        (),
+        vec![
+            // lights
+            (
+                Light {
+                    color: wgpu::Color {
+                        r: 0.8,
+                        g: 0.8,
+                        b: 0.5,
+                        a: 1.0,
+                    },
+                    fov: f32::to_radians(60.0),
+                    depth: 0.1..50.0,
+                    target_view: None,
                 },
-                fov: f32::to_radians(60.0),
-                depth: 0.1 .. 50.0,
-                target_view: None,
-            },
-            Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
-            LocalToWorld::identity(),
-            Translation::new(4.0, -4.0, 5.0),
-            Rotation::from_euler_angles(0.0, 0.0, 0.0)
-        ),
-    ]);
+                Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
+                LocalToWorld::identity(),
+                Translation::new(4.0, -4.0, 5.0),
+                Rotation::from_euler_angles(0.0, 0.0, 0.0),
+            ),
+        ],
+    );
 
-    world.insert((), vec![
-        // camera
-        (
-            Camera::new(CameraType::Projection {
-                fov: std::f32::consts::PI / 4.0,
-                near: 1.0,
-                far: 1000.0,
-                aspect_ratio: 1.0,
-            }),
-            ActiveCamera,
-            LocalToWorld(Mat4::look_at_rh(
-                Vec3::new(6.0, -40.0, 20.0),
-                Vec3::new(0.0, 0.0, 0.0),
-                Vec3::new(0.0, 0.0, 1.0),)),
-        )
-    ]);
+    world.insert(
+        (),
+        vec![
+            // camera
+            (
+                Camera::new(CameraType::Projection {
+                    fov: std::f32::consts::PI / 4.0,
+                    near: 1.0,
+                    far: 1000.0,
+                    aspect_ratio: 1.0,
+                }),
+                ActiveCamera,
+                LocalToWorld(Mat4::look_at_rh(
+                    Vec3::new(6.0, -40.0, 20.0),
+                    Vec3::new(0.0, 0.0, 0.0),
+                    Vec3::new(0.0, 0.0, 1.0),
+                )),
+            ),
+        ],
+    );
 
     let mut rng = StdRng::from_entropy();
-    for _ in 0 .. 70000 {
-        create_person(world, cube_handle.clone(),
-            Translation::new(rng.gen_range(-50.0, 50.0), 0.0, rng.gen_range(-50.0, 50.0)));
+    for _ in 0..70000 {
+        create_person(
+            world,
+            cube_handle.clone(),
+            Translation::new(rng.gen_range(-50.0, 50.0), 0.0, rng.gen_range(-50.0, 50.0)),
+        );
     }
 }
 
 fn build_wander_system() -> Box<dyn Schedulable> {
     let mut rng = StdRng::from_entropy();
-    
+
     SystemBuilder::new("Wander")
         .read_resource::<Time>()
         .with_query(<(
@@ -97,10 +111,7 @@ fn build_wander_system() -> Box<dyn Schedulable> {
             Write<Wander>,
             Write<NavigationPoint>,
         )>::query())
-        .build(move |
-            _, world,
-            time ,
-            person_query| {
+        .build(move |_, world, time, person_query| {
             for (_, translation, mut wander, mut navigation_point) in person_query.iter(world) {
                 wander.elapsed += time.delta_seconds;
                 if wander.elapsed >= wander.duration {
@@ -108,11 +119,14 @@ fn build_wander_system() -> Box<dyn Schedulable> {
                         rng.gen_range(-1.0, 1.0),
                         rng.gen_range(-1.0, 1.0),
                         rng.gen_range(0.0, 0.001),
-                    ).normalize();
-                    let distance = rng.gen_range(wander.distance_bounds.x(), wander.distance_bounds.y());
+                    )
+                    .normalize();
+                    let distance =
+                        rng.gen_range(wander.distance_bounds.x(), wander.distance_bounds.y());
                     navigation_point.target = translation.0 + direction * distance;
                     wander.elapsed = 0.0;
-                    wander.duration = rng.gen_range(wander.duration_bounds.x(), wander.duration_bounds.y());
+                    wander.duration =
+                        rng.gen_range(wander.duration_bounds.x(), wander.duration_bounds.y());
                 }
             }
         })
@@ -126,9 +140,7 @@ fn build_navigate_system() -> Box<dyn Schedulable> {
             Write<Velocity>,
             Write<NavigationPoint>,
         )>::query())
-        .build(move |
-            _, world,
-            _, person_query| {
+        .build(move |_, world, _, person_query| {
             for (_, translation, mut velocity, navigation_point) in person_query.iter(world) {
                 let distance = navigation_point.target - translation.0;
                 if distance.length() > 0.01 {
@@ -144,11 +156,8 @@ fn build_navigate_system() -> Box<dyn Schedulable> {
 fn build_move_system() -> Box<dyn Schedulable> {
     SystemBuilder::new("Move")
         .read_resource::<Time>()
-        .with_query(<(
-            Write<Translation>,
-            Read<Velocity>,
-        )>::query())
-        .build(move |_, world, time , person_query| {
+        .with_query(<(Write<Translation>, Read<Velocity>)>::query())
+        .build(move |_, world, time, person_query| {
             for (mut translation, velocity) in person_query.iter(world) {
                 translation.0 += velocity.value * time.delta_seconds;
             }
@@ -163,10 +172,8 @@ fn build_print_status_system() -> Box<dyn Schedulable> {
     let mut frame_time_values = VecDeque::new();
     SystemBuilder::new("PrintStatus")
         .read_resource::<Time>()
-        .with_query(<(
-            Read<Person>,
-        )>::query())
-        .build(move |_, world, time , person_query| {
+        .with_query(<(Read<Person>,)>::query())
+        .build(move |_, world, time, person_query| {
             elapsed += time.delta_seconds;
             frame_time_values.push_front(time.delta_seconds);
             frame_time_total += time.delta_seconds;
@@ -177,8 +184,11 @@ fn build_print_status_system() -> Box<dyn Schedulable> {
             }
             if elapsed > 1.0 {
                 // println!("fps: {}", if time.delta_seconds == 0.0 { 0.0 } else { 1.0 / time.delta_seconds });
-                if frame_time_count > 0 && frame_time_total > 0.0  {
-                    println!("fps: {}", 1.0 / (frame_time_total / frame_time_count as f32))
+                if frame_time_count > 0 && frame_time_total > 0.0 {
+                    println!(
+                        "fps: {}",
+                        1.0 / (frame_time_total / frame_time_count as f32)
+                    )
                 }
                 println!("peeps: {}", person_query.iter(world).count());
                 elapsed = 0.0;
@@ -187,9 +197,10 @@ fn build_print_status_system() -> Box<dyn Schedulable> {
 }
 
 fn create_person(world: &mut World, mesh_handle: Handle<Mesh>, translation: Translation) {
-    world.insert((), vec![
-        (
-            Person{},
+    world.insert(
+        (),
+        vec![(
+            Person {},
             Wander {
                 duration_bounds: math::vec2(3.0, 10.0),
                 distance_bounds: math::vec2(-50.0, 50.0),
@@ -206,7 +217,7 @@ fn create_person(world: &mut World, mesh_handle: Handle<Mesh>, translation: Tran
             Material::new(math::vec4(0.5, 0.3, 0.3, 1.0) * random::<f32>()),
             mesh_handle,
             LocalToWorld::identity(),
-            translation
-        ),
-    ]);
-} 
\ No newline at end of file
+            translation,
+        )],
+    );
+}
diff --git a/examples/load_model.rs b/examples/load_model.rs
index 13c667e845..cce46561cf 100644
--- a/examples/load_model.rs
+++ b/examples/load_model.rs
@@ -2,7 +2,5 @@ use bevy::*;
 
 fn main() {
     asset::load_gltf("examples/assets/Box.gltf").unwrap();
-    AppBuilder::new()
-        .add_defaults()
-        .run();
-}
\ No newline at end of file
+    AppBuilder::new().add_defaults().run();
+}
diff --git a/examples/parenting.rs b/examples/parenting.rs
index dccf1287e1..12d7fb7f59 100644
--- a/examples/parenting.rs
+++ b/examples/parenting.rs
@@ -1,22 +1,21 @@
-use bevy::{*, render::*, asset::{Asset, AssetStorage}, math::{Mat4, Quat, Vec3}, Schedulable, Parent};
+use bevy::{
+    asset::{Asset, AssetStorage},
+    math::{Mat4, Quat, Vec3},
+    render::*,
+    Parent, Schedulable, *,
+};
 
 struct Rotator;
 
 fn main() {
-    AppBuilder::new()
-        .add_defaults()
-        .setup(&setup)
-        .run();
+    AppBuilder::new().add_defaults().setup(&setup).run();
 }
 
 fn build_rotator_system() -> Box<dyn Schedulable> {
     SystemBuilder::new("Rotator")
         .read_resource::<Time>()
-        .with_query(<(
-            Write<Rotator>,
-            Write<Rotation>,
-        )>::query())
-        .build(move |_, world, time , light_query| {
+        .with_query(<(Write<Rotator>, Write<Rotation>)>::query())
+        .build(move |_, world, time, light_query| {
             for (_, mut rotation) in light_query.iter(world) {
                 rotation.0 = rotation.0 * Quat::from_rotation_x(3.0 * time.delta_seconds);
             }
@@ -25,11 +24,17 @@ fn build_rotator_system() -> Box<dyn Schedulable> {
 
 fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
     let cube = Mesh::load(MeshType::Cube);
-    let plane = Mesh::load(MeshType::Plane{ size: 10.0 });
+    let plane = Mesh::load(MeshType::Plane { size: 10.0 });
 
     let (cube_handle, plane_handle) = {
-        let mut mesh_storage = world.resources.get_mut::<AssetStorage<Mesh, MeshType>>().unwrap();
-        (mesh_storage.add(cube, "cube"), mesh_storage.add(plane, "plane"))
+        let mut mesh_storage = world
+            .resources
+            .get_mut::<AssetStorage<Mesh, MeshType>>()
+            .unwrap();
+        (
+            mesh_storage.add(cube, "cube"),
+            mesh_storage.add(plane, "plane"),
+        )
     };
 
     let transform_system_bundle = transform_system_bundle::build(world);
@@ -37,42 +42,49 @@ fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
     scheduler.add_system(AppStage::Update, build_rotator_system());
 
     // plane
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             plane_handle.clone(),
             Material::new(math::vec4(0.1, 0.2, 0.1, 1.0)),
             LocalToWorld::identity(),
-            Translation::new(0.0, 0.0, -5.0)
-        ),
-    ]);
-    
-    // cube
-    let parent_cube = *world.insert((), vec![
-        (
-            cube_handle.clone(),
-            Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
-            LocalToWorld::identity(),
-            Translation::new(0.0, 0.0, 1.0),
-            Rotation::from_euler_angles(0.0, 0.0, 0.0),
-            Rotator,
-        )
-    ]).first().unwrap();
+            Translation::new(0.0, 0.0, -5.0),
+        )],
+    );
 
     // cube
-    world.insert((), vec![
-        (
+    let parent_cube = *world
+        .insert(
+            (),
+            vec![(
+                cube_handle.clone(),
+                Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
+                LocalToWorld::identity(),
+                Translation::new(0.0, 0.0, 1.0),
+                Rotation::from_euler_angles(0.0, 0.0, 0.0),
+                Rotator,
+            )],
+        )
+        .first()
+        .unwrap();
+
+    // cube
+    world.insert(
+        (),
+        vec![(
             cube_handle,
             Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
             LocalToWorld::identity(),
             Translation::new(0.0, 0.0, 3.0),
             Parent(parent_cube),
             LocalToParent::identity(),
-        )
-    ]);
+        )],
+    );
 
     // light
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             Light {
                 color: wgpu::Color {
                     r: 0.8,
@@ -81,19 +93,20 @@ fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
                     a: 1.0,
                 },
                 fov: f32::to_radians(60.0),
-                depth: 0.1 .. 50.0,
+                depth: 0.1..50.0,
                 target_view: None,
             },
             Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
             LocalToWorld::identity(),
             Translation::new(4.0, -4.0, 5.0),
-            Rotation::from_euler_angles(0.0, 0.0, 0.0)
-        ),
-    ]);
+            Rotation::from_euler_angles(0.0, 0.0, 0.0),
+        )],
+    );
 
     // camera
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             Camera::new(CameraType::Projection {
                 fov: std::f32::consts::PI / 4.0,
                 near: 1.0,
@@ -104,7 +117,8 @@ fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
             LocalToWorld(Mat4::look_at_rh(
                 Vec3::new(3.0, -15.0, 8.0),
                 Vec3::new(0.0, 0.0, 0.0),
-                Vec3::new(0.0, 0.0, 1.0),)),
-        )
-    ]);
-}
\ No newline at end of file
+                Vec3::new(0.0, 0.0, 1.0),
+            )),
+        )],
+    );
+}
diff --git a/examples/simple.rs b/examples/simple.rs
index 05543c2909..e64d8d2469 100644
--- a/examples/simple.rs
+++ b/examples/simple.rs
@@ -1,47 +1,58 @@
-use bevy::{*, render::*, asset::{Asset, AssetStorage}, math::{Mat4, Vec3}};
+use bevy::{
+    asset::{Asset, AssetStorage},
+    math::{Mat4, Vec3},
+    render::*,
+    *,
+};
 
 fn main() {
-    AppBuilder::new()
-        .add_defaults()
-        .setup(&setup)
-        .run();
+    AppBuilder::new().add_defaults().setup(&setup).run();
 }
 
 fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
     let cube = Mesh::load(MeshType::Cube);
-    let plane = Mesh::load(MeshType::Plane{ size: 10.0 });
+    let plane = Mesh::load(MeshType::Plane { size: 10.0 });
 
     let (cube_handle, plane_handle) = {
-        let mut mesh_storage = world.resources.get_mut::<AssetStorage<Mesh, MeshType>>().unwrap();
-        (mesh_storage.add(cube, "cube"), mesh_storage.add(plane, "plane"))
+        let mut mesh_storage = world
+            .resources
+            .get_mut::<AssetStorage<Mesh, MeshType>>()
+            .unwrap();
+        (
+            mesh_storage.add(cube, "cube"),
+            mesh_storage.add(plane, "plane"),
+        )
     };
 
     let transform_system_bundle = transform_system_bundle::build(world);
     scheduler.add_systems(AppStage::Update, transform_system_bundle);
 
     // plane
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             plane_handle.clone(),
             Material::new(math::vec4(0.1, 0.2, 0.1, 1.0)),
             LocalToWorld::identity(),
-            Translation::new(0.0, 0.0, 0.0)
-        ),
-    ]);
-    
+            Translation::new(0.0, 0.0, 0.0),
+        )],
+    );
+
     // cube
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             cube_handle,
             Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
             LocalToWorld::identity(),
-            Translation::new(0.0, 0.0, 1.0)
-        )
-    ]);
+            Translation::new(0.0, 0.0, 1.0),
+        )],
+    );
 
     // light
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             Light {
                 color: wgpu::Color {
                     r: 0.8,
@@ -50,19 +61,20 @@ fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
                     a: 1.0,
                 },
                 fov: f32::to_radians(60.0),
-                depth: 0.1 .. 50.0,
+                depth: 0.1..50.0,
                 target_view: None,
             },
             Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
             LocalToWorld::identity(),
             Translation::new(4.0, -4.0, 5.0),
-            Rotation::from_euler_angles(0.0, 0.0, 0.0)
-        ),
-    ]);
+            Rotation::from_euler_angles(0.0, 0.0, 0.0),
+        )],
+    );
 
     // camera
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             Camera::new(CameraType::Projection {
                 fov: std::f32::consts::PI / 4.0,
                 near: 1.0,
@@ -73,7 +85,8 @@ fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
             LocalToWorld(Mat4::look_at_rh(
                 Vec3::new(3.0, -8.0, 5.0),
                 Vec3::new(0.0, 0.0, 0.0),
-                Vec3::new(0.0, 0.0, 1.0),)),
-        )
-    ]);
-}
\ No newline at end of file
+                Vec3::new(0.0, 0.0, 1.0),
+            )),
+        )],
+    );
+}
diff --git a/examples/ui.rs b/examples/ui.rs
index b91911195c..80ec4e50de 100644
--- a/examples/ui.rs
+++ b/examples/ui.rs
@@ -1,32 +1,39 @@
-use bevy::{*, render::*, asset::{Asset, AssetStorage}, math::{Mat4, Vec3}};
+use bevy::{
+    asset::{Asset, AssetStorage},
+    math::{Mat4, Vec3},
+    render::*,
+    *,
+};
 
 fn main() {
-    AppBuilder::new()
-        .add_defaults()
-        .setup(&setup)
-        .run();
+    AppBuilder::new().add_defaults().setup(&setup).run();
 }
 
 fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
     let cube = Mesh::load(MeshType::Cube);
     let cube_handle = {
-        let mut mesh_storage = world.resources.get_mut::<AssetStorage<Mesh, MeshType>>().unwrap();
+        let mut mesh_storage = world
+            .resources
+            .get_mut::<AssetStorage<Mesh, MeshType>>()
+            .unwrap();
         mesh_storage.add(cube, "cube")
     };
 
     let transform_system_bundle = transform_system_bundle::build(world);
     scheduler.add_systems(AppStage::Update, transform_system_bundle);
 
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             cube_handle,
             LocalToWorld::identity(),
             Material::new(math::vec4(0.5, 0.3, 0.3, 1.0)),
-        )
-    ]);
+        )],
+    );
 
-    world.insert((), vec![
-        (
+    world.insert(
+        (),
+        vec![(
             Light {
                 color: wgpu::Color {
                     r: 0.8,
@@ -35,74 +42,78 @@ fn setup(world: &mut World, scheduler: &mut SystemScheduler<AppStage>) {
                     a: 1.0,
                 },
                 fov: f32::to_radians(60.0),
-                depth: 0.1 .. 50.0,
+                depth: 0.1..50.0,
                 target_view: None,
             },
             LocalToWorld::identity(),
             Translation::new(4.0, -4.0, 5.0),
-            Rotation::from_euler_angles(0.0, 0.0, 0.0)
-        ),
-    ]);
+            Rotation::from_euler_angles(0.0, 0.0, 0.0),
+        )],
+    );
 
-    world.insert((), vec![
-        // camera
-        (
-            Camera::new(CameraType::Projection {
-                fov: std::f32::consts::PI / 4.0,
-                near: 1.0,
-                far: 1000.0,
-                aspect_ratio: 1.0,
-            }),
-            ActiveCamera,
-            LocalToWorld(Mat4::look_at_rh(
-                Vec3::new(3.0, -5.0, 3.0),
-                Vec3::new(0.0, 0.0, 0.0),
-                Vec3::new(0.0, 0.0, 1.0),)),
-        )
-    ]);
+    world.insert(
+        (),
+        vec![
+            // camera
+            (
+                Camera::new(CameraType::Projection {
+                    fov: std::f32::consts::PI / 4.0,
+                    near: 1.0,
+                    far: 1000.0,
+                    aspect_ratio: 1.0,
+                }),
+                ActiveCamera,
+                LocalToWorld(Mat4::look_at_rh(
+                    Vec3::new(3.0, -5.0, 3.0),
+                    Vec3::new(0.0, 0.0, 0.0),
+                    Vec3::new(0.0, 0.0, 1.0),
+                )),
+            ),
+        ],
+    );
 
-    world.insert((), vec![
-        // camera
-        (
-            Camera::new(CameraType::Orthographic {
-                left: 0.0,
-                right: 0.0,
-                bottom: 0.0,
-                top: 0.0,
-                near: 0.0,
-                far: 1.0,
-            }),
-            ActiveCamera2d,
-        )
-    ]);
+    world.insert(
+        (),
+        vec![
+            // camera
+            (
+                Camera::new(CameraType::Orthographic {
+                    left: 0.0,
+                    right: 0.0,
+                    bottom: 0.0,
+                    top: 0.0,
+                    near: 0.0,
+                    far: 1.0,
+                }),
+                ActiveCamera2d,
+            ),
+        ],
+    );
 
-    world.insert((), vec![
-        (
-            Rect {
-                position: math::vec2(75.0, 75.0),
-                dimensions: math::vec2(100.0, 100.0),
-                color: math::vec4(0.0, 1.0, 0.0, 1.0),
-            },
-        )
-    ]);
+    world.insert(
+        (),
+        vec![(Rect {
+            position: math::vec2(75.0, 75.0),
+            dimensions: math::vec2(100.0, 100.0),
+            color: math::vec4(0.0, 1.0, 0.0, 1.0),
+        },)],
+    );
 
-    world.insert((), vec![
-        (
-            Rect {
-                position: math::vec2(50.0, 50.0),
-                dimensions: math::vec2(100.0, 100.0),
-                color: math::vec4(1.0, 0.0, 0.0, 1.0),
-            },
-        )
-    ]);
+    world.insert(
+        (),
+        vec![(Rect {
+            position: math::vec2(50.0, 50.0),
+            dimensions: math::vec2(100.0, 100.0),
+            color: math::vec4(1.0, 0.0, 0.0, 1.0),
+        },)],
+    );
 
-    world.insert((), vec![
-        (
-            Rect {
-                position: math::vec2(100.0, 100.0),
-                dimensions: math::vec2(100.0, 100.0),
-                color: math::vec4(0.0, 0.0, 1.0, 1.0),
-            },
-        )
-    ]);
-}
\ No newline at end of file
+    world.insert(
+        (),
+        vec![(Rect {
+            position: math::vec2(100.0, 100.0),
+            dimensions: math::vec2(100.0, 100.0),
+            color: math::vec4(0.0, 0.0, 1.0, 1.0),
+        },)],
+    );
+}