Format code in doc comment code blocks (#2447)

* Format code in doc comment code blocks

* `cargo +nightly fmt`

* Finishing touches

.rustfmt.toml

@@ -1,4 +1,5 @@
 comment_width = 99
+format_code_in_doc_comments = true
 group_imports = "One"
 imports_granularity = "Crate"
 wrap_comments = true

vulkano-util/src/window.rs

@@ -17,17 +17,21 @@ use winit::{
 /// ## Examples
 ///
 /// ```
-/// use vulkano_util::context::{VulkanoConfig, VulkanoContext};
+/// use vulkano_util::{
+///     context::{VulkanoConfig, VulkanoContext},
+///     window::VulkanoWindows,
+/// };
 /// use winit::event_loop::EventLoop;
-/// use vulkano_util::window::VulkanoWindows;
 ///
 /// #[test]
 /// fn test() {
 ///     let context = VulkanoContext::new(VulkanoConfig::default());
 ///     let event_loop = EventLoop::new();
 ///     let mut vulkano_windows = VulkanoWindows::default();
-///     let _id1 = vulkano_windows.create_window(&event_loop, &context, &Default::default(), |_| {});
-///     let _id2 = vulkano_windows.create_window(&event_loop, &context, &Default::default(), |_| {});
+///     let _id1 =
+///         vulkano_windows.create_window(&event_loop, &context, &Default::default(), |_| {});
+///     let _id2 =
+///         vulkano_windows.create_window(&event_loop, &context, &Default::default(), |_| {});
 ///
 ///     // You should now have two windows.
 /// }

vulkano/src/device/mod.rs

@@ -7,7 +7,10 @@
 //!
 //! ```no_run
 //! use vulkano::{
-//!     device::{physical::PhysicalDevice, Device, DeviceCreateInfo, DeviceExtensions, Features, QueueCreateInfo},
+//!     device::{
+//!         physical::PhysicalDevice, Device, DeviceCreateInfo, DeviceExtensions, Features,
+//!         QueueCreateInfo,
+//!     },
 //!     instance::{Instance, InstanceExtensions},
 //!     Version, VulkanLibrary,
 //! };
@@ -23,7 +26,8 @@
 //! let physical_device = instance
 //!     .enumerate_physical_devices()
 //!     .unwrap_or_else(|err| panic!("Couldn't enumerate physical devices: {:?}", err))
-//!     .next().expect("No physical device");
+//!     .next()
+//!     .expect("No physical device");
 //!
 //! // Here is the device-creating code.
 //! let device = {
@@ -43,7 +47,7 @@
 //!         },
 //!     ) {
 //!         Ok(d) => d,
-//!         Err(err) => panic!("Couldn't build device: {:?}", err)
+//!         Err(err) => panic!("Couldn't build device: {:?}", err),
 //!     }
 //! };
 //! ```

vulkano/src/image/sampler/mod.rs

@@ -62,7 +62,10 @@ use std::{mem::MaybeUninit, num::NonZeroU64, ops::RangeInclusive, ptr, sync::Arc
 /// use vulkano::image::sampler::{Sampler, SamplerCreateInfo};
 ///
 /// # let device: std::sync::Arc<vulkano::device::Device> = return;
-/// let _sampler = Sampler::new(device.clone(), SamplerCreateInfo::simple_repeat_linear_no_mipmap());
+/// let _sampler = Sampler::new(
+///     device.clone(),
+///     SamplerCreateInfo::simple_repeat_linear_no_mipmap(),
+/// );
 /// ```
 ///
 /// More detailed sampler creation:
@@ -71,14 +74,17 @@ use std::{mem::MaybeUninit, num::NonZeroU64, ops::RangeInclusive, ptr, sync::Arc
 /// use vulkano::image::sampler::{Filter, Sampler, SamplerAddressMode, SamplerCreateInfo};
 ///
 /// # let device: std::sync::Arc<vulkano::device::Device> = return;
-/// let _sampler = Sampler::new(device.clone(), SamplerCreateInfo {
+/// let _sampler = Sampler::new(
+///     device.clone(),
+///     SamplerCreateInfo {
 ///         mag_filter: Filter::Linear,
 ///         min_filter: Filter::Linear,
 ///         address_mode: [SamplerAddressMode::Repeat; 3],
 ///         mip_lod_bias: 1.0,
 ///         lod: 0.0..=100.0,
 ///         ..Default::default()
-/// })
+///     },
+/// )
 /// .unwrap();
 /// ```
 #[derive(Debug)]

vulkano/src/instance/debug.rs

@@ -21,12 +21,13 @@
 //! let _callback = unsafe {
 //!     DebugUtilsMessenger::new(
 //!         instance,
-//!         DebugUtilsMessengerCreateInfo::user_callback(
-//!             DebugUtilsMessengerCallback::new(|message_severity, message_type, callback_data| {
+//!         DebugUtilsMessengerCreateInfo::user_callback(DebugUtilsMessengerCallback::new(
+//!             |message_severity, message_type, callback_data| {
 //!                 println!("Debug callback: {:?}", callback_data.message);
-//!             }),
-//!         ),
-//!     ).ok()
+//!             },
+//!         )),
+//!     )
+//!     .ok()
 //! };
 //! ```
 //!

vulkano/src/instance/layers.rs

@@ -89,7 +89,11 @@ impl LayerProperties {
     /// let library = VulkanLibrary::new().unwrap();
     ///
     /// for layer in library.layer_properties().unwrap() {
-    ///     println!("Layer {} - Version: {}", layer.name(), layer.implementation_version());
+    ///     println!(
+    ///         "Layer {} - Version: {}",
+    ///         layer.name(),
+    ///         layer.implementation_version(),
+    ///     );
     /// }
     /// ```
     #[inline]

vulkano/src/instance/mod.rs

@@ -29,7 +29,10 @@
 //! # let library = VulkanLibrary::new().unwrap();
 //! # let instance = Instance::new(library, Default::default()).unwrap();
 //! for physical_device in instance.enumerate_physical_devices().unwrap() {
-//!     println!("Available device: {}", physical_device.properties().device_name);
+//!     println!(
+//!         "Available device: {}",
+//!         physical_device.properties().device_name,
+//!     );
 //! }
 //! ```
 //!
@@ -127,10 +130,8 @@ include!(concat!(env!("OUT_DIR"), "/instance_extensions.rs"));
 /// };
 ///
 /// let library = VulkanLibrary::new().unwrap();
-/// let _instance = Instance::new(
-///     library,
-///     InstanceCreateInfo::application_from_cargo_toml(),
-/// ).unwrap();
+/// let _instance =
+///     Instance::new(library, InstanceCreateInfo::application_from_cargo_toml()).unwrap();
 /// # }
 /// ```
 ///
@@ -241,7 +242,8 @@ include!(concat!(env!("OUT_DIR"), "/instance_extensions.rs"));
 ///
 /// // For the sake of the example, we activate all the layers that
 /// // contain the word "foo" in their description.
-/// let layers: Vec<_> = library.layer_properties()?
+/// let layers: Vec<_> = library
+///     .layer_properties()?
 ///     .filter(|l| l.description().contains("foo"))
 ///     .collect();
 ///
@@ -637,7 +639,10 @@ impl Instance {
     /// # let library = VulkanLibrary::new().unwrap();
     /// # let instance = Instance::new(library, Default::default()).unwrap();
     /// for physical_device in instance.enumerate_physical_devices().unwrap() {
-    ///     println!("Available device: {}", physical_device.properties().device_name);
+    ///     println!(
+    ///         "Available device: {}",
+    ///         physical_device.properties().device_name,
+    ///     );
     /// }
     /// ```
     pub fn enumerate_physical_devices(

vulkano/src/memory/device_memory.rs

@@ -1668,7 +1668,9 @@ impl Default for MappedMemoryRange {
 /// # Examples
 ///
 /// ```
-/// use vulkano::memory::{DeviceMemory, MappedDeviceMemory, MemoryAllocateInfo, MemoryPropertyFlags};
+/// use vulkano::memory::{
+///     DeviceMemory, MappedDeviceMemory, MemoryAllocateInfo, MemoryPropertyFlags,
+/// };
 ///
 /// # let device: std::sync::Arc<vulkano::device::Device> = return;
 /// // The memory type must be mappable.
@@ -1677,7 +1679,10 @@ impl Default for MappedMemoryRange {
 ///     .memory_properties()
 ///     .memory_types
 ///     .iter()
-///     .position(|t| t.property_flags.intersects(MemoryPropertyFlags::HOST_VISIBLE))
+///     .position(|t| {
+///         t.property_flags
+///             .intersects(MemoryPropertyFlags::HOST_VISIBLE)
+///     })
 ///     .map(|i| i as u32)
 ///     .unwrap(); // Vk specs guarantee that this can't fail
 ///

vulkano/src/memory/mod.rs

@@ -12,7 +12,12 @@
 //! ```
 //! // Enumerating memory heaps.
 //! # let physical_device: vulkano::device::physical::PhysicalDevice = return;
-//! for (index, heap) in physical_device.memory_properties().memory_heaps.iter().enumerate() {
+//! for (index, heap) in physical_device
+//!     .memory_properties()
+//!     .memory_heaps
+//!     .iter()
+//!     .enumerate()
+//! {
 //!     println!("Heap #{:?} has a capacity of {:?} bytes", index, heap.size);
 //! }
 //! ```
@@ -68,7 +73,8 @@
 //!         memory_type_index,
 //!         ..Default::default()
 //!     },
-//! ).expect("Failed to allocate memory");
+//! )
+//! .expect("Failed to allocate memory");
 //!
 //! // The memory is automatically freed when `memory` is destroyed.
 //! ```

vulkano/src/pipeline/cache.rs

@@ -50,8 +50,7 @@ impl PipelineCache {
     /// ```
     /// # use std::sync::Arc;
     /// # use vulkano::device::Device;
-    /// use std::fs::File;
-    /// use std::io::Read;
+    /// use std::{fs::File, io::Read};
     /// use vulkano::pipeline::cache::{PipelineCache, PipelineCacheCreateInfo};
     /// # let device: Arc<Device> = return;
     ///
@@ -76,8 +75,9 @@ impl PipelineCache {
     ///         PipelineCacheCreateInfo {
     ///             initial_data,
     ///             ..Default::default()
-    ///         }
-    ///     ).unwrap()
+    ///         },
+    ///     )
+    ///     .unwrap()
     /// };
     /// ```
     #[inline]
@@ -178,9 +178,7 @@ impl PipelineCache {
     /// # Examples
     ///
     /// ```
-    /// use std::fs;
-    /// use std::fs::File;
-    /// use std::io::Write;
+    /// use std::{fs, fs::File, io::Write};
     /// # use std::sync::Arc;
     /// # use vulkano::pipeline::cache::PipelineCache;
     ///

vulkano/src/render_pass/mod.rs

@@ -62,7 +62,8 @@ mod framebuffer;
 ///         subpasses: vec![SubpassDescription::default()],
 ///         ..Default::default()
 ///     },
-/// ).unwrap();
+/// )
+/// .unwrap();
 /// ```
 ///
 /// This example creates a render pass with no attachment and one single subpass that doesn't draw

vulkano/src/swapchain/mod.rs

@@ -86,7 +86,8 @@
 //!         hinstance,
 //!         window.hwnd() as ash::vk::HWND,
 //!         Some(window),
-//!     ).unwrap()
+//!     )
+//!     .unwrap()
 //! };
 //! ```
 //!
@@ -265,7 +266,8 @@
 //! ```
 //! use vulkano::{
 //!     swapchain::{self, SwapchainCreateInfo, SwapchainPresentInfo},
-//!     sync::GpuFuture, Validated, VulkanError,
+//!     sync::GpuFuture,
+//!     Validated, VulkanError,
 //! };
 //!
 //! // let (swapchain, images) = Swapchain::new(...);
@@ -276,7 +278,8 @@
 //!
 //! loop {
 //!     if recreate_swapchain {
-//!         let (new_swapchain, new_images) = swapchain.recreate(SwapchainCreateInfo {
+//!         let (new_swapchain, new_images) = swapchain
+//!             .recreate(SwapchainCreateInfo {
 //!                 image_extent: [1024, 768],
 //!                 ..swapchain.create_info()
 //!             })
@@ -287,9 +290,13 @@
 //!     }
 //!
 //!     let (image_index, suboptimal, acq_future) =
-//!         match swapchain::acquire_next_image(swapchain.clone(), None).map_err(Validated::unwrap) {
+//!         match swapchain::acquire_next_image(swapchain.clone(), None).map_err(Validated::unwrap)
+//!         {
 //!             Ok(r) => r,
-//!             Err(VulkanError::OutOfDate) => { recreate_swapchain = true; continue; },
+//!             Err(VulkanError::OutOfDate) => {
+//!                 recreate_swapchain = true;
+//!                 continue;
+//!             }
 //!             Err(err) => panic!("{:?}", err),
 //!         };
 //!