From 47a887ce0ff2c857aaa4ed1d258f967127aa6aa2 Mon Sep 17 00:00:00 2001
From: TheOnlyMrCat <skylifegame@gmail.com>
Date: Thu, 6 Apr 2023 07:56:04 +1000
Subject: [PATCH] Manually implement traits on `wgpu::Id` (#3630)

---
 wgpu/src/lib.rs | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs
index a74ee0d58b..253262dc7e 100644
--- a/wgpu/src/lib.rs
+++ b/wgpu/src/lib.rs
@@ -4243,9 +4243,42 @@ impl Surface {
 #[cfg(feature = "expose-ids")]
 #[cfg_attr(docsrs, doc(cfg(feature = "expose-ids")))]
 #[repr(transparent)]
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub struct Id<T>(core::num::NonZeroU64, std::marker::PhantomData<*mut T>);
 
+#[cfg(feature = "expose-ids")]
+impl<T> Clone for Id<T> {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+
+#[cfg(feature = "expose-ids")]
+impl<T> Copy for Id<T> {}
+
+#[cfg(feature = "expose-ids")]
+impl<T> Debug for Id<T> {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        f.debug_tuple("Id").field(&self.0).finish()
+    }
+}
+
+#[cfg(feature = "expose-ids")]
+impl<T> PartialEq for Id<T> {
+    fn eq(&self, other: &Id<T>) -> bool {
+        self.0 == other.0
+    }
+}
+
+#[cfg(feature = "expose-ids")]
+impl<T> Eq for Id<T> {}
+
+#[cfg(feature = "expose-ids")]
+impl<T> std::hash::Hash for Id<T> {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.0.hash(state)
+    }
+}
+
 #[cfg(feature = "expose-ids")]
 impl Adapter {
     /// Returns a globally-unique identifier for this `Adapter`.