chore: made clippy happy

src/mania/pp.rs

@@ -229,7 +229,7 @@ impl<'map> ManiaPP<'map> {
     pub fn generate_state(&mut self) -> ManiaScoreState {
         let attrs = match self.map_or_attrs {
             MapOrElse::Map(ref map) => {
-                let attrs = self.generate_attributes(&map);
+                let attrs = self.generate_attributes(map);
 
                 self.map_or_attrs.else_or_insert(attrs)
             }
@@ -728,7 +728,7 @@ impl<'map> ManiaPP<'map> {
     fn generate_attributes(&self, map: &Beatmap) -> ManiaDifficultyAttributes {
         let is_convert = self
             .is_convert_overwrite
-            .unwrap_or_else(|| match self.map_or_attrs {
+            .unwrap_or(match self.map_or_attrs {
                 MapOrElse::Map(ref map) => matches!(map, Cow::Owned(_)),
                 MapOrElse::Else(ref attrs) => attrs.is_convert,
             });

src/taiko/pp.rs

@@ -200,7 +200,7 @@ impl<'map> TaikoPP<'map> {
     pub fn generate_state(&mut self) -> TaikoScoreState {
         let attrs = match self.map_or_attrs {
             MapOrElse::Map(ref map) => {
-                let attrs = self.generate_attributes(&map);
+                let attrs = self.generate_attributes(map);
 
                 self.map_or_attrs.else_or_insert(attrs)
             }
@@ -308,7 +308,7 @@ impl<'map> TaikoPP<'map> {
     fn generate_attributes(&self, map: &Beatmap) -> TaikoDifficultyAttributes {
         let is_convert = self
             .is_convert_overwrite
-            .unwrap_or_else(|| match self.map_or_attrs {
+            .unwrap_or(match self.map_or_attrs {
                 MapOrElse::Map(ref map) => matches!(map, Cow::Owned(_)),
                 MapOrElse::Else(ref attrs) => attrs.is_convert,
             });

src/util/map_or_else.rs

@@ -6,10 +6,7 @@ pub(crate) enum MapOrElse<M, E> {
     Else(E),
 }
 
-impl<M, E> MapOrElse<M, E>
-where
-    M: AsRef<Beatmap>,
-{
+impl<M, E> MapOrElse<M, E> {
     /// Return a mutable reference to `Else`.
     ///
     /// If `self` is of variant `Map`, store `other` in `self`, and return a