adjust to new clippy lints (#826)

crates/bevy_core/src/task_pool_options.rs

@@ -82,11 +82,11 @@ impl Default for DefaultTaskPoolOptions {
 impl DefaultTaskPoolOptions {
     /// Create a configuration that forces using the given number of threads.
     pub fn with_num_threads(thread_count: usize) -> Self {
-        let mut options = Self::default();
-        options.min_total_threads = thread_count;
-        options.max_total_threads = thread_count;
-
-        options
+        DefaultTaskPoolOptions {
+            min_total_threads: thread_count,
+            max_total_threads: thread_count,
+            ..Default::default()
+        }
     }
 
     /// Inserts the default thread pools into the given resource map based on the configured values

crates/bevy_gltf/src/loader.rs

@@ -230,14 +230,16 @@ fn load_node(
             gltf::camera::Projection::Orthographic(orthographic) => {
                 let xmag = orthographic.xmag();
                 let ymag = orthographic.ymag();
-                let mut orthographic_projection: OrthographicProjection = Default::default();
-                orthographic_projection.left = -xmag;
-                orthographic_projection.right = xmag;
-                orthographic_projection.top = ymag;
-                orthographic_projection.bottom = -ymag;
-                orthographic_projection.far = orthographic.zfar();
-                orthographic_projection.near = orthographic.znear();
-                orthographic_projection.get_projection_matrix();
+                let orthographic_projection: OrthographicProjection = OrthographicProjection {
+                    left: -xmag,
+                    right: xmag,
+                    top: ymag,
+                    bottom: -ymag,
+                    far: orthographic.zfar(),
+                    near: orthographic.znear(),
+                    ..Default::default()
+                };
+
                 node.with(Camera {
                     name: Some(base::camera::CAMERA2D.to_owned()),
                     projection_matrix: orthographic_projection.get_projection_matrix(),
@@ -246,9 +248,11 @@ fn load_node(
                 node.with(orthographic_projection);
             }
             gltf::camera::Projection::Perspective(perspective) => {
-                let mut perspective_projection: PerspectiveProjection = Default::default();
-                perspective_projection.fov = perspective.yfov();
-                perspective_projection.near = perspective.znear();
+                let mut perspective_projection: PerspectiveProjection = PerspectiveProjection {
+                    fov: perspective.yfov(),
+                    near: perspective.znear(),
+                    ..Default::default()
+                };
                 if let Some(zfar) = perspective.zfar() {
                     perspective_projection.far = zfar;
                 }

crates/bevy_render/src/texture/texture.rs

@@ -48,8 +48,10 @@ impl Texture {
     }
 
     pub fn new_fill(size: Vec2, pixel: &[u8], format: TextureFormat) -> Self {
-        let mut value = Self::default();
-        value.format = format;
+        let mut value = Texture {
+            format,
+            ..Default::default()
+        };
         value.resize(size);
 
         debug_assert_eq!(

crates/bevy_scene/src/serde.rs

@@ -92,12 +92,11 @@ impl<'a, 'de> DeserializeSeed<'de> for SceneDeserializer<'a> {
     where
         D: serde::Deserializer<'de>,
     {
-        let mut scene = DynamicScene::default();
-        scene.entities = deserializer.deserialize_seq(SceneEntitySeqVisitor {
-            property_type_registry: self.property_type_registry,
-        })?;
-
-        Ok(scene)
+        Ok(DynamicScene {
+            entities: deserializer.deserialize_seq(SceneEntitySeqVisitor {
+                property_type_registry: self.property_type_registry,
+            })?,
+        })
     }
 }