chore: remove std::mem::* imports now unnecessary with Rust 1.80

`std::mem::{size,align}_of{,_val}` was added to `std::prelude` in Rust
1.80; see
[`rust`#123168](rust-lang/rust#123168).

examples/src/boids/mod.rs

@@ -2,7 +2,7 @@
 // adapted from https://github.com/austinEng/webgpu-samples/blob/master/src/examples/computeBoids.ts
 
 use nanorand::{Rng, WyRand};
-use std::{borrow::Cow, mem::size_of};
+use std::borrow::Cow;
 use wgpu::util::DeviceExt;
 
 // number of boid particles to simulate

examples/src/cube/mod.rs

@@ -1,5 +1,5 @@
 use bytemuck::{Pod, Zeroable};
-use std::{borrow::Cow, f32::consts, mem::size_of};
+use std::{borrow::Cow, f32::consts};
 use wgpu::util::DeviceExt;
 
 #[repr(C)]

examples/src/mipmap/mod.rs

@@ -1,5 +1,5 @@
 use bytemuck::{Pod, Zeroable};
-use std::{borrow::Cow, f32::consts, mem::size_of};
+use std::{borrow::Cow, f32::consts};
 use wgpu::util::DeviceExt;
 
 const TEXTURE_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Rgba8UnormSrgb;

examples/src/repeated_compute/mod.rs

@@ -5,8 +5,6 @@
 //! hello-compute example does not such as mapping buffers
 //! and why use the async channels.
 
-use std::mem::size_of_val;
-
 const OVERFLOW: u32 = 0xffffffff;
 
 async fn run() {

examples/src/shadow/mod.rs

@@ -1,4 +1,4 @@
-use std::{borrow::Cow, f32::consts, iter, mem::size_of, ops::Range, sync::Arc};
+use std::{borrow::Cow, f32::consts, iter, ops::Range, sync::Arc};
 
 use bytemuck::{Pod, Zeroable};
 use wgpu::util::{align_to, DeviceExt};

examples/src/stencil_triangles/mod.rs

@@ -1,6 +1,5 @@
 use bytemuck::{Pod, Zeroable};
 use std::borrow::Cow;
-use std::mem::size_of;
 use wgpu::util::DeviceExt;
 
 #[repr(C)]

examples/src/water/mod.rs

@@ -3,7 +3,7 @@ mod point_gen;
 use bytemuck::{Pod, Zeroable};
 use glam::Vec3;
 use nanorand::{Rng, WyRand};
-use std::{borrow::Cow, f32::consts, iter, mem::size_of};
+use std::{borrow::Cow, f32::consts, iter};
 use wgpu::util::DeviceExt;
 
 ///

naga/src/back/msl/mod.rs

@@ -668,6 +668,6 @@ pub fn write_string(
 
 #[test]
 fn test_error_size() {
-    use std::mem::size_of;
+    use size_of;
     assert_eq!(size_of::<Error>(), 32);
 }

wgpu-core/src/command/bundle.rs

@@ -100,7 +100,7 @@ use crate::{
 };
 use arrayvec::ArrayVec;
 
-use std::{borrow::Cow, mem::size_of, num::NonZeroU32, ops::Range, sync::Arc};
+use std::{borrow::Cow, num::NonZeroU32, ops::Range, sync::Arc};
 use thiserror::Error;
 
 use super::{

wgpu-core/src/command/compute.rs

@@ -29,7 +29,7 @@ use thiserror::Error;
 use wgt::{BufferAddress, DynamicOffset};
 
 use std::sync::Arc;
-use std::{fmt, mem::size_of, str};
+use std::{fmt, str};
 
 use super::{bind::BinderError, memory_init::CommandBufferTextureMemoryActions};
 

wgpu-core/src/command/render.rs

@@ -45,7 +45,7 @@ use serde::Deserialize;
 use serde::Serialize;
 
 use std::sync::Arc;
-use std::{borrow::Cow, fmt, iter, mem::size_of, num::NonZeroU32, ops::Range, str};
+use std::{borrow::Cow, fmt, iter, num::NonZeroU32, ops::Range, str};
 
 use super::render_command::ArcRenderCommand;
 use super::{

wgpu-core/src/pipeline_cache.rs

@@ -1,5 +1,3 @@
-use std::mem::size_of;
-
 use thiserror::Error;
 use wgt::AdapterInfo;
 

wgpu-core/src/registry.rs

@@ -1,4 +1,4 @@
-use std::{mem::size_of, sync::Arc};
+use std::sync::Arc;
 
 use crate::{
     id::Id,

wgpu-hal/examples/halmark/main.rs

@@ -14,9 +14,7 @@ use winit::{
 
 use std::{
     borrow::{Borrow, Cow},
-    iter,
-    mem::size_of,
-    ptr,
+    iter, ptr,
     time::Instant,
 };
 

wgpu-hal/examples/ray-traced-triangle/main.rs

@@ -8,9 +8,7 @@ use raw_window_handle::{HasDisplayHandle, HasWindowHandle};
 use glam::{Affine3A, Mat4, Vec3};
 use std::{
     borrow::{Borrow, Cow},
-    iter,
-    mem::size_of,
-    ptr,
+    iter, ptr,
     time::Instant,
 };
 use winit::window::WindowButtons;

wgpu-hal/src/dx12/mod.rs

@@ -622,7 +622,6 @@ struct PassState {
 
 #[test]
 fn test_dirty_mask() {
-    use std::mem::size_of;
     assert_eq!(MAX_ROOT_ELEMENTS, (u64::BITS as usize));
 }
 

wgpu-hal/src/gles/command.rs

@@ -1,9 +1,6 @@
 use super::{conv, Command as C};
 use arrayvec::ArrayVec;
-use std::{
-    mem::{self, size_of, size_of_val},
-    ops::Range,
-};
+use std::{mem, ops::Range};
 
 #[derive(Clone, Copy, Debug, Default)]
 struct TextureSlotDesc {

wgpu-hal/src/gles/queue.rs

@@ -2,7 +2,6 @@ use super::{conv::is_layered_target, Command as C, PrivateCapabilities};
 use arrayvec::ArrayVec;
 use glow::HasContext;
 use std::{
-    mem::size_of,
     slice,
     sync::{atomic::Ordering, Arc},
 };

wgpu-hal/src/metal/command.rs

@@ -1,6 +1,6 @@
 use super::{conv, AsNative, TimestampQuerySupport};
 use crate::CommandEncoder as _;
-use std::{borrow::Cow, mem::size_of, ops::Range};
+use std::{borrow::Cow, ops::Range};
 
 // has to match `Temp::binding_sizes`
 const WORD_SIZE: usize = 4;

wgpu-hal/src/vulkan/command.rs

@@ -3,11 +3,7 @@ use super::conv;
 use arrayvec::ArrayVec;
 use ash::vk;
 
-use std::{
-    mem::{self, size_of},
-    ops::Range,
-    slice,
-};
+use std::{mem, ops::Range, slice};
 
 const ALLOCATION_GRANULARITY: u32 = 16;
 const DST_IMAGE_LAYOUT: vk::ImageLayout = vk::ImageLayout::TRANSFER_DST_OPTIMAL;

wgpu/src/util/mod.rs

@@ -9,11 +9,7 @@ mod encoder;
 mod init;
 
 use std::sync::Arc;
-use std::{
-    borrow::Cow,
-    mem::{align_of, size_of},
-    ptr::copy_nonoverlapping,
-};
+use std::{borrow::Cow, ptr::copy_nonoverlapping};
 
 pub use belt::StagingBelt;
 pub use device::{BufferInitDescriptor, DeviceExt, TextureDataOrder};