Fix new clippy lints

examples/bezier_tool/src/main.rs

@@ -88,7 +88,7 @@ mod bezier {
         curves: &'a [Curve],
     }
 
-    impl<'a> canvas::Program<Curve> for Bezier<'a> {
+    impl canvas::Program<Curve> for Bezier<'_> {
         type State = Option<Pending>;
 
         fn update(

examples/custom_quad/src/main.rs

@@ -75,7 +75,7 @@ mod quad {
         }
     }
 
-    impl<'a, Message> From<CustomQuad> for Element<'a, Message> {
+    impl<Message> From<CustomQuad> for Element<'_, Message> {
         fn from(circle: CustomQuad) -> Self {
             Self::new(circle)
         }

examples/custom_widget/src/main.rs

@@ -62,8 +62,8 @@ mod circle {
         }
     }
 
-    impl<'a, Message, Theme, Renderer> From<Circle>
-        for Element<'a, Message, Theme, Renderer>
+    impl<Message, Theme, Renderer> From<Circle>
+        for Element<'_, Message, Theme, Renderer>
     where
         Renderer: renderer::Renderer,
     {

examples/geometry/src/main.rs

@@ -145,7 +145,7 @@ mod rainbow {
         }
     }
 
-    impl<'a, Message> From<Rainbow> for Element<'a, Message> {
+    impl<Message> From<Rainbow> for Element<'_, Message> {
         fn from(rainbow: Rainbow) -> Self {
             Self::new(rainbow)
         }

examples/loading_spinners/src/circular.rs

@@ -88,7 +88,7 @@ where
     }
 }
 
-impl<'a, Theme> Default for Circular<'a, Theme>
+impl<Theme> Default for Circular<'_, Theme>
 where
     Theme: StyleSheet,
 {

examples/loading_spinners/src/linear.rs

@@ -70,7 +70,7 @@ where
     }
 }
 
-impl<'a, Theme> Default for Linear<'a, Theme>
+impl<Theme> Default for Linear<'_, Theme>
 where
     Theme: StyleSheet,
 {

examples/loupe/src/main.rs

@@ -74,7 +74,7 @@ mod loupe {
         content: Element<'a, Message>,
     }
 
-    impl<'a, Message> Widget<Message, Theme, Renderer> for Loupe<'a, Message> {
+    impl<Message> Widget<Message, Theme, Renderer> for Loupe<'_, Message> {
         fn tag(&self) -> widget::tree::Tag {
             self.content.as_widget().tag()
         }

examples/toast/src/main.rs

@@ -281,7 +281,7 @@ mod toast {
         }
     }
 
-    impl<'a, Message> Widget<Message, Theme, Renderer> for Manager<'a, Message> {
+    impl<Message> Widget<Message, Theme, Renderer> for Manager<'_, Message> {
         fn size(&self) -> Size<Length> {
             self.content.as_widget().size()
         }
@@ -464,8 +464,8 @@ mod toast {
         timeout_secs: u64,
     }
 
-    impl<'a, 'b, Message> overlay::Overlay<Message, Theme, Renderer>
-        for Overlay<'a, 'b, Message>
+    impl<Message> overlay::Overlay<Message, Theme, Renderer>
+        for Overlay<'_, '_, Message>
     {
         fn layout(
             &mut self,