Relax indexmap PartialEq bounds even more.

Author: reitermarkus

src/indexmap.rs

@@ -1276,15 +1276,15 @@ where
     }
 }
 
-impl<K, V, S, S2, const N: usize, const N2: usize> PartialEq<IndexMap<K, V, S2, N2>>
-    for IndexMap<K, V, S, N>
+impl<K, V1, V2, S1, S2, const N1: usize, const N2: usize> PartialEq<IndexMap<K, V2, S2, N2>>
+    for IndexMap<K, V1, S1, N1>
 where
     K: Eq + Hash,
-    V: PartialEq,
-    S: BuildHasher,
+    V1: PartialEq<V2>,
+    S1: BuildHasher,
     S2: BuildHasher,
 {
-    fn eq(&self, other: &IndexMap<K, V, S2, N2>) -> bool {
+    fn eq(&self, other: &IndexMap<K, V2, S2, N2>) -> bool {
         self.len() == other.len()
             && self
                 .iter()