Enable more clippy lints (#6853)

* Follows https://github.com/emilk/egui/pull/6848

crates/epaint/src/lib.rs

@@ -72,7 +72,7 @@ pub use self::{
 #[deprecated = "Renamed to CornerRadius"]
 pub type Rounding = CornerRadius;
 
-#[allow(deprecated)]
+#[expect(deprecated)]
 pub use tessellator::tessellate_shapes;
 
 pub use ecolor::{Color32, Hsva, HsvaGamma, Rgba};

crates/epaint/src/shapes/shape.rs

@@ -296,7 +296,7 @@ impl Shape {
         Self::Rect(RectShape::stroke(rect, corner_radius, stroke, stroke_kind))
     }
 
-    #[allow(clippy::needless_pass_by_value)]
+    #[expect(clippy::needless_pass_by_value)]
     pub fn text(
         fonts: &Fonts,
         pos: Pos2,

crates/epaint/src/tessellator.rs

@@ -5,7 +5,7 @@
 
 #![allow(clippy::identity_op)]
 
-use emath::{pos2, remap, vec2, GuiRounding as _, NumExt, Pos2, Rect, Rot2, Vec2};
+use emath::{pos2, remap, vec2, GuiRounding as _, NumExt as _, Pos2, Rect, Rot2, Vec2};
 
 use crate::{
     color::ColorMode, emath, stroke::PathStroke, texture_atlas::PreparedDisc, CircleShape,
@@ -16,7 +16,7 @@ use crate::{
 
 // ----------------------------------------------------------------------------
 
-#[allow(clippy::approx_constant)]
+#[expect(clippy::approx_constant)]
 mod precomputed_vertices {
     // fn main() {
     //     let n = 64;
@@ -2222,7 +2222,7 @@ impl Tessellator {
     ///
     /// ## Returns
     /// A list of clip rectangles with matching [`Mesh`].
-    #[allow(unused_mut)]
+    #[allow(unused_mut, clippy::allow_attributes)]
     pub fn tessellate_shapes(&mut self, mut shapes: Vec<ClippedShape>) -> Vec<ClippedPrimitive> {
         profiling::function_scope!();
 

crates/epaint/src/text/font.rs

@@ -1,7 +1,7 @@
 use std::collections::BTreeMap;
 use std::sync::Arc;
 
-use emath::{vec2, GuiRounding, Vec2};
+use emath::{vec2, GuiRounding as _, Vec2};
 
 use crate::{
     mutex::{Mutex, RwLock},
@@ -100,7 +100,7 @@ impl FontImpl {
             "pixels_per_point must be greater than 0, got: {pixels_per_point:?}"
         );
 
-        use ab_glyph::{Font, ScaleFont};
+        use ab_glyph::{Font as _, ScaleFont as _};
         let scaled = ab_glyph_font.as_scaled(scale_in_pixels);
         let ascent = (scaled.ascent() / pixels_per_point).round_ui();
         let descent = (scaled.descent() / pixels_per_point).round_ui();
@@ -241,7 +241,7 @@ impl FontImpl {
         last_glyph_id: ab_glyph::GlyphId,
         glyph_id: ab_glyph::GlyphId,
     ) -> f32 {
-        use ab_glyph::{Font as _, ScaleFont};
+        use ab_glyph::{Font as _, ScaleFont as _};
         self.ab_glyph_font
             .as_scaled(self.scale_in_pixels as f32)
             .kern(last_glyph_id, glyph_id)
@@ -271,7 +271,7 @@ impl FontImpl {
 
     fn allocate_glyph(&self, glyph_id: ab_glyph::GlyphId) -> GlyphInfo {
         assert!(glyph_id.0 != 0, "Can't allocate glyph for id 0");
-        use ab_glyph::{Font as _, ScaleFont};
+        use ab_glyph::{Font as _, ScaleFont as _};
 
         let glyph = glyph_id.with_scale_and_position(
             self.scale_in_pixels as f32,

crates/epaint/src/text/fonts.rs

@@ -54,7 +54,6 @@ impl FontId {
     }
 }
 
-#[allow(clippy::derived_hash_with_manual_eq)]
 impl std::hash::Hash for FontId {
     #[inline(always)]
     fn hash<H: std::hash::Hasher>(&self, state: &mut H) {

crates/epaint/src/text/text_layout.rs

@@ -1,6 +1,6 @@
 use std::sync::Arc;
 
-use emath::{pos2, vec2, Align, GuiRounding as _, NumExt, Pos2, Rect, Vec2};
+use emath::{pos2, vec2, Align, GuiRounding as _, NumExt as _, Pos2, Rect, Vec2};
 
 use crate::{stroke::PathStroke, text::font::Font, Color32, Mesh, Stroke, Vertex};
 

crates/epaint/src/text/text_layout_types.rs

@@ -9,7 +9,7 @@ use super::{
     font::UvRect,
 };
 use crate::{Color32, FontId, Mesh, Stroke};
-use emath::{pos2, vec2, Align, GuiRounding as _, NumExt, OrderedFloat, Pos2, Rect, Vec2};
+use emath::{pos2, vec2, Align, GuiRounding as _, NumExt as _, OrderedFloat, Pos2, Rect, Vec2};
 
 /// Describes the task of laying out text.
 ///
@@ -971,7 +971,7 @@ impl Galley {
     ///
     /// This is the same as [`CCursor::default`].
     #[inline]
-    #[allow(clippy::unused_self)]
+    #[expect(clippy::unused_self)]
     pub fn begin(&self) -> CCursor {
         CCursor::default()
     }
@@ -1062,7 +1062,7 @@ impl Galley {
 
 /// ## Cursor positions
 impl Galley {
-    #[allow(clippy::unused_self)]
+    #[expect(clippy::unused_self)]
     pub fn cursor_left_one_character(&self, cursor: &CCursor) -> CCursor {
         if cursor.index == 0 {
             Default::default()

crates/epaint/src/texture_handle.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use crate::{
-    emath::NumExt, mutex::RwLock, textures::TextureOptions, ImageData, ImageDelta, TextureId,
+    emath::NumExt as _, mutex::RwLock, textures::TextureOptions, ImageData, ImageDelta, TextureId,
     TextureManager,
 };
 
@@ -66,7 +66,7 @@ impl TextureHandle {
     }
 
     /// Assign a new image to an existing texture.
-    #[allow(clippy::needless_pass_by_ref_mut)] // Intentionally hide interiority of mutability
+    #[expect(clippy::needless_pass_by_ref_mut)] // Intentionally hide interiority of mutability
     pub fn set(&mut self, image: impl Into<ImageData>, options: TextureOptions) {
         self.tex_mngr
             .write()
@@ -74,7 +74,7 @@ impl TextureHandle {
     }
 
     /// Assign a new image to a subregion of the whole texture.
-    #[allow(clippy::needless_pass_by_ref_mut)] // Intentionally hide interiority of mutability
+    #[expect(clippy::needless_pass_by_ref_mut)] // Intentionally hide interiority of mutability
     pub fn set_partial(
         &mut self,
         pos: [usize; 2],