From 7831f6f1f7c7dddce1308738bd6d9ff654f71274 Mon Sep 17 00:00:00 2001
From: "John T. Wodder II" <git@varonathe.org>
Date: Sat, 28 Oct 2023 18:35:32 -0400
Subject: [PATCH 1/2] Impl Copy, Eq, and FusedIterator for EnumIter iterators

---
 strum_macros/src/macros/enum_iter.rs | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/strum_macros/src/macros/enum_iter.rs b/strum_macros/src/macros/enum_iter.rs
index 0e700aa..8497404 100644
--- a/strum_macros/src/macros/enum_iter.rs
+++ b/strum_macros/src/macros/enum_iter.rs
@@ -71,9 +71,7 @@ pub fn enum_iter_inner(ast: &DeriveInput) -> syn::Result<TokenStream> {
 
     Ok(quote! {
         #[doc = #doc_comment]
-        #[allow(
-            missing_copy_implementations,
-        )]
+        #[derive(Clone, Copy, Eq, PartialEq)]
         #vis struct #iter_name #ty_generics {
             idx: usize,
             back_idx: usize,
@@ -159,14 +157,6 @@ pub fn enum_iter_inner(ast: &DeriveInput) -> syn::Result<TokenStream> {
             }
         }
 
-        impl #impl_generics Clone for #iter_name #ty_generics #where_clause {
-            fn clone(&self) -> #iter_name #ty_generics {
-                #iter_name {
-                    idx: self.idx,
-                    back_idx: self.back_idx,
-                    marker: self.marker.clone(),
-                }
-            }
-        }
+        impl #impl_generics ::core::iter::FusedIterator for #iter_name #ty_generics #where_clause { }
     })
 }

From 84cf8d2a321ec27ec49c67b3fb19d082b6d9668a Mon Sep 17 00:00:00 2001
From: Peter Glotfelty <peter@glotfelty.us>
Date: Sun, 29 Oct 2023 12:29:44 -0700
Subject: [PATCH 2/2] Support FusedIteratorOnly

---
 strum_macros/src/macros/enum_iter.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/strum_macros/src/macros/enum_iter.rs b/strum_macros/src/macros/enum_iter.rs
index 8497404..0a59deb 100644
--- a/strum_macros/src/macros/enum_iter.rs
+++ b/strum_macros/src/macros/enum_iter.rs
@@ -71,7 +71,9 @@ pub fn enum_iter_inner(ast: &DeriveInput) -> syn::Result<TokenStream> {
 
     Ok(quote! {
         #[doc = #doc_comment]
-        #[derive(Clone, Copy, Eq, PartialEq)]
+        #[allow(
+            missing_copy_implementations,
+        )]
         #vis struct #iter_name #ty_generics {
             idx: usize,
             back_idx: usize,
@@ -158,5 +160,15 @@ pub fn enum_iter_inner(ast: &DeriveInput) -> syn::Result<TokenStream> {
         }
 
         impl #impl_generics ::core::iter::FusedIterator for #iter_name #ty_generics #where_clause { }
+
+        impl #impl_generics Clone for #iter_name #ty_generics #where_clause {
+            fn clone(&self) -> #iter_name #ty_generics {
+                #iter_name {
+                    idx: self.idx,
+                    back_idx: self.back_idx,
+                    marker: self.marker.clone(),
+                }
+            }
+        }
     })
 }