Impl Hash on AdapterInfo and DeviceType (#6869)

Author: cwfitzgerald

CHANGELOG.md

@@ -161,6 +161,7 @@ By @wumpf in [#6849](https://github.com/gfx-rs/wgpu/pull/6849).
 - Return submission index in `map_async` and `on_submitted_work_done` to track down completion of async callbacks. By @eliemichel in [#6360](https://github.com/gfx-rs/wgpu/pull/6360).
 - Move raytracing alignments into HAL instead of in core. By @Vecvec in [#6563](https://github.com/gfx-rs/wgpu/pull/6563).
 - Allow for statically linking DXC rather than including separate `.dll` files. By @DouglasDwyer in [#6574](https://github.com/gfx-rs/wgpu/pull/6574).
+- `DeviceType` and `AdapterInfo` now impl `Hash` by @cwfitzgerald in [#6868](https://github.com/gfx-rs/wgpu/pull/6868)
 
 #### Changes
 

wgpu-types/src/lib.rs

@@ -1756,7 +1756,7 @@ pub enum ShaderModel {
 
 /// Supported physical device types.
 #[repr(u8)]
-#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum DeviceType {
     /// Other or Unknown.
@@ -1774,7 +1774,7 @@ pub enum DeviceType {
 //TODO: convert `vendor` and `device` to `u32`
 
 /// Information about an adapter.
-#[derive(Clone, Debug, Eq, PartialEq)]
+#[derive(Clone, Debug, Eq, PartialEq, Hash)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct AdapterInfo {
     /// Adapter name