Explain why the selective color and spline loops index by range

node-graph/nodes/raster/src/adjustments.rs

@@ -950,6 +950,8 @@ fn selective_color<T: Adjust<Color> + Clone + Send + Sync + no_std_types::contex
 			(SelectiveColorChoice::Blacks, (k_c, k_m, k_y, k_k)),
 		];
 		let mut sum = Vec3::ZERO;
+		// Indexed rather than iterated because this compiles to SPIR-V, whose backend rejects the arbitrary pointer offset an array iterator produces
+		#[allow(clippy::needless_range_loop)]
 		for i in 0..array.len() {
 			let (color_parameter_group, (c, m, y, k)) = array[i];
 

node-graph/nodes/raster/src/cubic_spline.rs

@@ -63,6 +63,8 @@ impl CubicSplines {
 				assert!(augmented_matrix[row][row].abs() > f32::EPSILON);
 
 				let scale_factor = augmented_matrix[row_below_current][row] / augmented_matrix[row][row];
+				// `col` indexes two distinct rows at once, one of them mutably, so an iterator would need a split borrow
+				#[allow(clippy::needless_range_loop)]
 				for col in row..5 {
 					augmented_matrix[row_below_current][col] -= augmented_matrix[row][col] * scale_factor
 				}