From cea364094f1c0a0678e038715117fdc406a80fa4 Mon Sep 17 00:00:00 2001
From: Jonas Bushart <jonas@bushart.org>
Date: Sat, 3 Dec 2022 15:40:12 +0100
Subject: [PATCH] Remove some Serialize trait bounds

Containers for the most part do not have any trait requirements for
iterating over them. So these bounds are unnecessary when Serializing
only.
---
 serde/src/ser/impls.rs | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/serde/src/ser/impls.rs b/serde/src/ser/impls.rs
index c254ac6545..e9082f4392 100644
--- a/serde/src/ser/impls.rs
+++ b/serde/src/ser/impls.rs
@@ -184,11 +184,10 @@ where
 
 #[cfg(any(feature = "std", feature = "alloc"))]
 macro_rules! seq_impl {
-    ($ty:ident < T $(: $tbound1:ident $(+ $tbound2:ident)*)* $(, $typaram:ident : $bound:ident)* >) => {
+    ($ty:ident < T $(, $typaram:ident)* >) => {
         impl<T $(, $typaram)*> Serialize for $ty<T $(, $typaram)*>
         where
-            T: Serialize $(+ $tbound1 $(+ $tbound2)*)*,
-            $($typaram: $bound,)*
+            T: Serialize,
         {
             #[inline]
             fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
@@ -202,13 +201,13 @@ macro_rules! seq_impl {
 }
 
 #[cfg(any(feature = "std", feature = "alloc"))]
-seq_impl!(BinaryHeap<T: Ord>);
+seq_impl!(BinaryHeap<T>);
 
 #[cfg(any(feature = "std", feature = "alloc"))]
-seq_impl!(BTreeSet<T: Ord>);
+seq_impl!(BTreeSet<T>);
 
 #[cfg(feature = "std")]
-seq_impl!(HashSet<T: Eq + Hash, H: BuildHasher>);
+seq_impl!(HashSet<T, H>);
 
 #[cfg(any(feature = "std", feature = "alloc"))]
 seq_impl!(LinkedList<T>);