chore: Refactor files and fix warnings

src/fractal/reference.rs

@@ -14,6 +14,7 @@ use crate::view::{Big, big_from_f64};
 
 /// The iteration formula. Must be kept in sync with `advance_delta` and the
 /// `KIND_*` constants in the shader.
+#[repr(u8)]
 #[derive(Clone, Copy, PartialEq, Eq, Debug)]
 pub enum FractalKind {
     /// `z -> z^2 + c`.
@@ -58,6 +59,7 @@ const REFERENCE_ESCAPE_SQ: f64 = 1.0e10;
 /// Compute the reference orbit `Z_0..Z_{len-1}` where `Z_0 = z0` and
 /// `Z_{n+1} = f(Z_n, c)` for the given `kind` (and `power`, for Multibrot), up
 /// to `max_iter` steps at `precision` bits. Each entry is `[re, im]` in f32.
+#[allow(clippy::too_many_arguments)]
 pub fn compute_reference(
     z0_re: &Big,
     z0_im: &Big,
@@ -205,7 +207,8 @@ mod tests {
     fn reference_matches_naive_f64() {
         let cr = Big::try_from(-0.75_f64).unwrap();
         let ci = Big::try_from(0.1_f64).unwrap();
-        let points = compute_set_reference(&cr, &ci, 60, 200, FractalKind::Mandelbrot, 2, (0.0, 0.0));
+        let points =
+            compute_set_reference(&cr, &ci, 60, 200, FractalKind::Mandelbrot, 2, (0.0, 0.0));
 
         // Independent naive f64 orbit.
         let (c_re, c_im) = (-0.75_f64, 0.1_f64);
@@ -215,8 +218,14 @@ mod tests {
             // significant figures.
             let tol_re = 1e-4 * (1.0 + zr.abs());
             let tol_im = 1e-4 * (1.0 + zi.abs());
-            assert!((point[0] as f64 - zr).abs() < tol_re, "re mismatch: {point:?} vs {zr}");
-            assert!((point[1] as f64 - zi).abs() < tol_im, "im mismatch: {point:?} vs {zi}");
+            assert!(
+                (point[0] as f64 - zr).abs() < tol_re,
+                "re mismatch: {point:?} vs {zr}"
+            );
+            assert!(
+                (point[1] as f64 - zi).abs() < tol_im,
+                "im mismatch: {point:?} vs {zi}"
+            );
             let nzr = zr * zr - zi * zi + c_re;
             let nzi = 2.0 * zr * zi + c_im;
             zr = nzr;

src/fractal/renderer.rs

@@ -508,7 +508,13 @@ impl FractalRenderer {
     /// Handles needed to build a standalone [`ExportRender`] off the UI thread:
     /// the (immutable) pipeline and its bind-group layout, plus the target
     /// format. Cloned so the caller can drop the render-state lock before use.
-    pub fn export_handles(&self) -> (wgpu::RenderPipeline, wgpu::BindGroupLayout, wgpu::TextureFormat) {
+    pub fn export_handles(
+        &self,
+    ) -> (
+        wgpu::RenderPipeline,
+        wgpu::BindGroupLayout,
+        wgpu::TextureFormat,
+    ) {
         (
             self.export_pipeline.clone(),
             self.bind_group_layout.clone(),
@@ -825,7 +831,11 @@ impl egui_wgpu::CallbackTrait for FractalCallback {
         }
 
         // Both passes read the uniform buffer; refresh it once.
-        queue.write_buffer(&renderer.uniform_buffer, 0, bytemuck::bytes_of(&self.uniforms));
+        queue.write_buffer(
+            &renderer.uniform_buffer,
+            0,
+            bytemuck::bytes_of(&self.uniforms),
+        );
 
         if let Some(cache) = &renderer.cache {
             if iter_dirty {

src/main.rs

@@ -1,3 +1,7 @@
+// Without these, rust fails to infer Send/Sync trait impls
+// Probably caused by the new trait solver
+#![recursion_limit = "256"]
+
 // Fractal Explorer — Rust + wgpu + egui + WGSL deep-zoom Mandelbrot.
 //
 // A single binary drives both native and web (WASM/WebGPU) builds; the two
@@ -25,14 +29,13 @@ fn wgpu_options() -> eframe::egui_wgpu::WgpuConfiguration {
 
     let mut options = eframe::egui_wgpu::WgpuConfiguration::default();
     if let WgpuSetup::CreateNew(setup) = &mut options.wgpu_setup {
-        setup.device_descriptor = std::sync::Arc::new(|adapter: &wgpu::Adapter| {
-            wgpu::DeviceDescriptor {
+        setup.device_descriptor =
+            std::sync::Arc::new(|adapter: &wgpu::Adapter| wgpu::DeviceDescriptor {
                 label: Some("fractal wgpu device"),
                 required_features: wgpu::Features::empty(),
                 required_limits: adapter.limits(),
                 ..Default::default()
-            }
-        });
+            });
         #[cfg(target_arch = "wasm32")]
         {
             setup.instance_descriptor.backends = wgpu::Backends::BROWSER_WEBGPU;