Fix clippy lints for Rust 1.87

Cargo.toml

@@ -220,6 +220,8 @@ unused_results = "deny"
 [workspace.lints.clippy]
 type-complexity = "allow"
 map-entry = "allow"
+large-enum-variant = "allow"
+result_large_err = "allow"
 semicolon_if_nothing_returned = "deny"
 trivially-copy-pass-by-ref = "deny"
 default_trait_access = "deny"

widget/src/markdown.rs

@@ -298,13 +298,11 @@ impl Span {
                     span
                 };
 
-                let span = if let Some(link) = link.as_ref() {
+                if let Some(link) = link.as_ref() {
                     span.color(style.link_color).link(link.clone())
                 } else {
                     span
-                };
+                }
-
-                span
             }
             #[cfg(feature = "highlighter")]
             Span::Highlight { text, color, font } => {
@@ -632,7 +630,7 @@ fn parse_with<'a>(
                 code_language =
                     (!language.is_empty()).then(|| language.into_string());
 
-                let prev = if spans.is_empty() {
+                if spans.is_empty() {
                     None
                 } else {
                     produce(
@@ -641,9 +639,7 @@ fn parse_with<'a>(
                         Item::Paragraph(Text::new(spans.drain(..).collect())),
                         source,
                     )
-                };
+                }
-
-                prev
             }
             pulldown_cmark::Tag::MetadataBlock(_) => {
                 metadata = true;

widget/src/slider.rs

@@ -261,7 +261,7 @@ where
             let locate = |cursor_position: Point| -> Option<T> {
                 let bounds = layout.bounds();
 
-                let new_value = if cursor_position.x <= bounds.x {
+                if cursor_position.x <= bounds.x {
                     Some(*self.range.start())
                 } else if cursor_position.x >= bounds.x + bounds.width {
                     Some(*self.range.end())
@@ -283,9 +283,7 @@ where
                     let value = steps * step + start;
 
                     T::from_f64(value.min(end))
-                };
+                }
-
-                new_value
             };
 
             let increment = |value: T| -> Option<T> {

widget/src/stack.rs

@@ -173,10 +173,7 @@ where
         let nodes = std::iter::once(base)
             .chain(self.children[1..].iter().zip(&mut tree.children[1..]).map(
                 |(layer, tree)| {
-                    let node =
+                    layer.as_widget().layout(tree, renderer, &limits)
-                        layer.as_widget().layout(tree, renderer, &limits);
-
-                    node
                 },
             ))
             .collect();

widget/src/vertical_slider.rs

@@ -264,7 +264,7 @@ where
         let locate = |cursor_position: Point| -> Option<T> {
             let bounds = layout.bounds();
 
-            let new_value = if cursor_position.y >= bounds.y + bounds.height {
+            if cursor_position.y >= bounds.y + bounds.height {
                 Some(*self.range.start())
             } else if cursor_position.y <= bounds.y {
                 Some(*self.range.end())
@@ -287,9 +287,7 @@ where
                 let value = steps * step + start;
 
                 T::from_f64(value.min(end))
-            };
+            }
-
-            new_value
         };
 
         let increment = |value: T| -> Option<T> {