Enable and fix some more clippy lints

Cranky.toml

@@ -9,8 +9,10 @@ warn = [
   "clippy::bool_to_int_with_if",
   "clippy::char_lit_as_u8",
   "clippy::checked_conversions",
+  "clippy::cloned_instead_of_copied",
   "clippy::dbg_macro",
   "clippy::debug_assert_with_mut_call",
+  "clippy::derive_partial_eq_without_eq",
   "clippy::disallowed_methods",
   "clippy::disallowed_script_idents",
   "clippy::doc_link_with_quotes",
@@ -112,11 +114,9 @@ warn = [
 
 allow = [
   # TODO(emilk): enable more lints
-  "clippy::cloned_instead_of_copied",
-  "clippy::derive_partial_eq_without_eq",
   "clippy::type_complexity",
   "clippy::undocumented_unsafe_blocks",
   "trivial_casts",
-  "unsafe_op_in_unsafe_fn",               # `unsafe_op_in_unsafe_fn` may become the default in future Rust versions: https://github.com/rust-lang/rust/issues/71668
+  "unsafe_op_in_unsafe_fn",             # `unsafe_op_in_unsafe_fn` may become the default in future Rust versions: https://github.com/rust-lang/rust/issues/71668
   "unused_qualifications",
 ]

crates/egui/src/containers/area.rs

@@ -230,7 +230,7 @@ impl Area {
 
         let layer_id = LayerId::new(order, id);
 
-        let state = ctx.memory().areas.get(id).cloned();
+        let state = ctx.memory().areas.get(id).copied();
         let is_new = state.is_none();
         if is_new {
             ctx.request_repaint(); // if we don't know the previous size we are likely drawing the area in the wrong place

crates/egui/src/containers/panel.rs

@@ -44,7 +44,7 @@ impl PanelState {
 // ----------------------------------------------------------------------------
 
 /// [`Left`](Side::Left) or [`Right`](Side::Right)
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub enum Side {
     Left,
     Right,
@@ -468,7 +468,7 @@ impl SidePanel {
 // ----------------------------------------------------------------------------
 
 /// [`Top`](TopBottomSide::Top) or [`Bottom`](TopBottomSide::Bottom)
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub enum TopBottomSide {
     Top,
     Bottom,

crates/egui/src/containers/popup.rs

@@ -22,7 +22,7 @@ impl TooltipState {
 
     fn individual_tooltip_size(&self, common_id: Id, index: usize) -> Option<Vec2> {
         if self.last_common_id == Some(common_id) {
-            Some(self.individual_ids_and_sizes.get(&index).cloned()?.1)
+            Some(self.individual_ids_and_sizes.get(&index)?.1)
         } else {
             None
         }

crates/egui/src/context.rs

@@ -1513,7 +1513,7 @@ impl Context {
             ui.label("Hover to highlight");
             let layers_ids: Vec<LayerId> = self.memory().areas.order().to_vec();
             for layer_id in layers_ids {
-                let area = self.memory().areas.get(layer_id.id).cloned();
+                let area = self.memory().areas.get(layer_id.id).copied();
                 if let Some(area) = area {
                     let is_visible = self.memory().areas.is_visible(&layer_id);
                     if !is_visible {

crates/egui/src/data/input.rs

@@ -133,7 +133,7 @@ impl RawInput {
 }
 
 /// A file about to be dropped into egui.
-#[derive(Clone, Debug, Default, PartialEq)]
+#[derive(Clone, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct HoveredFile {
     /// Set by the `egui-winit` backend.
@@ -144,7 +144,7 @@ pub struct HoveredFile {
 }
 
 /// A file dropped into egui.
-#[derive(Clone, Debug, Default, PartialEq)]
+#[derive(Clone, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct DroppedFile {
     /// Set by the `egui-winit` backend.
@@ -305,7 +305,7 @@ pub const NUM_POINTER_BUTTONS: usize = 5;
 /// NOTE: For cross-platform uses, ALT+SHIFT is a bad combination of modifiers
 /// as on mac that is how you type special characters,
 /// so those key presses are usually not reported to egui.
-#[derive(Clone, Copy, Debug, Default, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct Modifiers {
     /// Either of the alt keys are down (option ⌥ on Mac).
@@ -768,7 +768,7 @@ impl Key {
 ///
 /// Can be used with [`crate::InputState::consume_shortcut`]
 /// and [`crate::Context::format_shortcut`].
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub struct KeyboardShortcut {
     pub modifiers: Modifiers,
     pub key: Key,

crates/egui/src/data/output.rs

@@ -156,7 +156,7 @@ impl PlatformOutput {
 }
 
 /// What URL to open, and how.
-#[derive(Clone, PartialEq)]
+#[derive(Clone, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct OpenUrl {
     pub url: String,
@@ -190,7 +190,7 @@ impl OpenUrl {
 /// egui emits a [`CursorIcon`] in [`PlatformOutput`] each frame as a request to the integration.
 ///
 /// Loosely based on <https://developer.mozilla.org/en-US/docs/Web/CSS/cursor>.
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub enum CursorIcon {
     /// Normal cursor icon, whatever that is.

crates/egui/src/layers.rs

@@ -109,7 +109,7 @@ impl LayerId {
 }
 
 /// A unique identifier of a specific [`Shape`] in a [`PaintList`].
-#[derive(Clone, Copy, PartialEq)]
+#[derive(Clone, Copy, PartialEq, Eq)]
 pub struct ShapeIdx(usize);
 
 /// A list of [`Shape`]s paired with a clip rectangle.

crates/egui/src/layout.rs

@@ -75,7 +75,7 @@ impl Region {
 // ----------------------------------------------------------------------------
 
 /// Layout direction, one of [`LeftToRight`](Direction::LeftToRight), [`RightToLeft`](Direction::RightToLeft), [`TopDown`](Direction::TopDown), [`BottomUp`](Direction::BottomUp).
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub enum Direction {
     LeftToRight,
@@ -114,7 +114,7 @@ impl Direction {
 /// });
 /// # });
 /// ```
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 // #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct Layout {
     /// Main axis direction

crates/egui/src/lib.rs

@@ -507,7 +507,7 @@ pub mod special_emojis {
 }
 
 /// The different types of built-in widgets in egui
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub enum WidgetType {
     Label, // TODO(emilk): emit Label events

crates/egui/src/memory.rs

@@ -587,8 +587,8 @@ impl Areas {
     pub fn visible_layer_ids(&self) -> ahash::HashSet<LayerId> {
         self.visible_last_frame
             .iter()
-            .cloned()
-            .chain(self.visible_current_frame.iter().cloned())
+            .copied()
+            .chain(self.visible_current_frame.iter().copied())
             .collect()
     }
 

crates/egui/src/style.rs

@@ -592,7 +592,7 @@ impl WidgetVisuals {
 }
 
 /// Options for help debug egui by adding extra visualization
-#[derive(Clone, Copy, Debug, Default, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct DebugOptions {
     /// However over widgets to see their rectangles

crates/egui/src/widgets/color_picker.rs

@@ -211,7 +211,7 @@ fn color_slider_2d(
 }
 
 /// What options to show for alpha
-#[derive(Clone, Copy, PartialEq)]
+#[derive(Clone, Copy, PartialEq, Eq)]
 pub enum Alpha {
     // Set alpha to 1.0, and show no option for it.
     Opaque,
@@ -425,7 +425,7 @@ pub fn color_edit_button_rgb(ui: &mut Ui, rgb: &mut [f32; 3]) -> Response {
 // To ensure we keep hue slider when `srgba` is gray we store the full [`Hsva`] in a cache:
 fn color_cache_get(ctx: &Context, rgba: impl Into<Rgba>) -> Hsva {
     let rgba = rgba.into();
-    use_color_cache(ctx, |cc| cc.get(&rgba).cloned()).unwrap_or_else(|| Hsva::from(rgba))
+    use_color_cache(ctx, |cc| cc.get(&rgba).copied()).unwrap_or_else(|| Hsva::from(rgba))
 }
 
 // To ensure we keep hue slider when `srgba` is gray we store the full [`Hsva`] in a cache:

crates/egui/src/widgets/plot/legend.rs

@@ -5,7 +5,7 @@ use crate::*;
 use super::items::PlotItem;
 
 /// Where to place the plot legend.
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum Corner {
     LeftTop,
     RightTop,

crates/egui_demo_lib/src/demo/drag_and_drop.rs

@@ -76,7 +76,7 @@ pub fn drop_target<R>(
     InnerResponse::new(ret, response)
 }
 
-#[derive(Clone, PartialEq)]
+#[derive(Clone, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct DragAndDropDemo {
     /// columns with items

crates/egui_demo_lib/src/demo/layout_test.rs

@@ -21,7 +21,7 @@ impl Default for LayoutTest {
     }
 }
 
-#[derive(Clone, Copy, PartialEq)]
+#[derive(Clone, Copy, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 #[cfg_attr(feature = "serde", serde(default))]
 pub struct LayoutSettings {

crates/egui_demo_lib/src/demo/text_edit.rs

@@ -1,5 +1,5 @@
 /// Showcase [`TextEdit`].
-#[derive(PartialEq)]
+#[derive(PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 #[cfg_attr(feature = "serde", serde(default))]
 pub struct TextEdit {

crates/egui_demo_lib/src/demo/window_with_panels.rs

@@ -1,4 +1,4 @@
-#[derive(Clone, PartialEq, Default)]
+#[derive(Clone, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct WindowWithPanels {}
 

crates/emath/src/rect.rs

@@ -172,7 +172,7 @@ impl Rect {
     /// Rotate the bounds (will expand the [`Rect`])
     #[must_use]
     #[inline]
-    pub fn rotate_bb(self, rot: crate::Rot2) -> Self {
+    pub fn rotate_bb(self, rot: Rot2) -> Self {
         let a = rot * self.left_top().to_vec2();
         let b = rot * self.right_top().to_vec2();
         let c = rot * self.left_bottom().to_vec2();

crates/emath/src/rect_transform.rs

@@ -1,10 +1,10 @@
-use crate::*;
+use crate::{pos2, remap, remap_clamp, Pos2, Rect, Vec2};
 
 /// Linearly transforms positions from one [`Rect`] to another.
 ///
 /// [`RectTransform`] stores the rectangles, and therefore supports clamping and culling.
 #[repr(C)]
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 #[cfg_attr(feature = "bytemuck", derive(bytemuck::Pod, bytemuck::Zeroable))]
 pub struct RectTransform {

crates/epaint/src/image.rs

@@ -43,7 +43,7 @@ impl ImageData {
 // ----------------------------------------------------------------------------
 
 /// A 2D RGBA color image in RAM.
-#[derive(Clone, Default, PartialEq)]
+#[derive(Clone, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct ColorImage {
     /// width, height.

crates/epaint/src/mesh.rs

@@ -5,7 +5,7 @@ use emath::*;
 ///
 /// Should be friendly to send to GPU as is.
 #[repr(C)]
-#[derive(Clone, Copy, Debug, Default, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 #[cfg_attr(feature = "bytemuck", derive(bytemuck::Pod, bytemuck::Zeroable))]
 pub struct Vertex {
@@ -23,7 +23,7 @@ pub struct Vertex {
 }
 
 /// Textured triangles in two dimensions.
-#[derive(Clone, Debug, Default, PartialEq)]
+#[derive(Clone, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct Mesh {
     /// Draw as triangles (i.e. the length is always multiple of three).

crates/epaint/src/shadow.rs

@@ -30,23 +30,23 @@ impl Shadow {
         }
     }
 
-    /// Used for widnows in dark mode.
+    /// Used for egui windows in dark mode.
     pub fn big_dark() -> Self {
         Self {
             extrusion: 32.0,
             color: Color32::from_black_alpha(96),
         }
     }
 
-    /// Used for widnows in light mode.
+    /// Used for egui windows in light mode.
     pub fn big_light() -> Self {
         Self {
             extrusion: 32.0,
             color: Color32::from_black_alpha(16),
         }
     }
 
-    pub fn tessellate(&self, rect: emath::Rect, rounding: impl Into<Rounding>) -> Mesh {
+    pub fn tessellate(&self, rect: Rect, rounding: impl Into<Rounding>) -> Mesh {
         // tessellator.clip_rect = clip_rect; // TODO(emilk): culling
 
         let Self { extrusion, color } = *self;

crates/epaint/src/tessellator.rs

@@ -586,7 +586,7 @@ pub mod path {
 
 // ----------------------------------------------------------------------------
 
-#[derive(Clone, Copy, PartialEq)]
+#[derive(Clone, Copy, PartialEq, Eq)]
 pub enum PathType {
     Open,
     Closed,

crates/epaint/src/text/cursor.rs

@@ -66,7 +66,7 @@ impl std::ops::SubAssign<usize> for CCursor {
 }
 
 /// Row Cursor
-#[derive(Clone, Copy, Debug, Default, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct RCursor {
     /// 0 is first row, and so on.

crates/epaint/src/text/font.rs

@@ -8,7 +8,7 @@ use std::sync::Arc;
 
 // ----------------------------------------------------------------------------
 
-#[derive(Clone, Copy, Debug, Default, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct UvRect {
     /// X/Y offset for nice rendering (unit: points).

crates/epaint/src/text/text_layout_types.rs

@@ -351,7 +351,7 @@ pub struct Galley {
     pub pixels_per_point: f32,
 }
 
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct Row {
     /// One for each `char`.
@@ -374,7 +374,7 @@ pub struct Row {
 }
 
 /// The tessellated output of a row.
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct RowVisuals {
     /// The tessellated text, using non-normalized (texel) UV coordinates.
@@ -400,7 +400,7 @@ impl Default for RowVisuals {
     }
 }
 
-#[derive(Copy, Clone, Debug, PartialEq)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct Glyph {
     /// The character this glyph represents.

crates/epaint/src/textures.rs

@@ -117,7 +117,7 @@ impl TextureManager {
 }
 
 /// Meta-data about an allocated texture.
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub struct TextureMeta {
     /// A human-readable name useful for debugging.
     pub name: String,