From e0da5482f8d1cb6f1ac24be5991ae1ff09c108bc Mon Sep 17 00:00:00 2001
From: hasezoey <hasezoey@gmail.com>
Date: Wed, 19 Nov 2025 13:10:09 +0100
Subject: [PATCH 1/3] deps(orx-selfref-col): update to 2.15.0

---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 87fd051..7b26598 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ orx-self-or = "1.2.0"
 serde = { version = "1.0.228", optional = true, default-features = false }
 orx-pinned-vec = { version = "3.21.0", default-features = false }
 orx-split-vec = { version = "3.22.0", default-features = false }
-orx-selfref-col = { version = "2.14.0", default-features = false }
+orx-selfref-col = { version = "2.15.0", default-features = false }
 orx-concurrent-iter = { version = "3.1.0", default-features = false }
 orx-parallel = { version = "3.3.0", default-features = false, optional = true }
 

From 346149ba92e1b543b3cd680f32d9bd2514f022bc Mon Sep 17 00:00:00 2001
From: hasezoey <hasezoey@gmail.com>
Date: Tue, 18 Nov 2025 18:09:55 +0100
Subject: [PATCH 2/3] feat(tree_node_idx::NodeIdx): implement "Copy"

---
 src/tree_node_idx.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/tree_node_idx.rs b/src/tree_node_idx.rs
index 132addd..6c68737 100644
--- a/src/tree_node_idx.rs
+++ b/src/tree_node_idx.rs
@@ -284,9 +284,12 @@ impl<V: TreeVariant> NodeIdx<V> {
     }
 }
 
+// Only the pointer is copied, so "V" does not need to be copy itself.
+impl<V: TreeVariant> Copy for NodeIdx<V> {}
+
 impl<V: TreeVariant> Clone for NodeIdx<V> {
     fn clone(&self) -> Self {
-        Self(self.0.clone())
+        *self
     }
 }
 

From 6be304701d86e1e1b26d3e3522585217133bc356 Mon Sep 17 00:00:00 2001
From: hasezoey <hasezoey@gmail.com>
Date: Tue, 18 Nov 2025 18:10:53 +0100
Subject: [PATCH 3/3] style: remove "idx.clone" due to NodeIdx being Copy now

---
 src/subtrees_within/cloned_subtree.rs | 2 +-
 src/subtrees_within/copied_subtree.rs | 2 +-
 src/subtrees_within/moved_subtree.rs  | 2 +-
 src/tree_node_idx.rs                  | 6 +++---
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/subtrees_within/cloned_subtree.rs b/src/subtrees_within/cloned_subtree.rs
index 0335544..7129b65 100644
--- a/src/subtrees_within/cloned_subtree.rs
+++ b/src/subtrees_within/cloned_subtree.rs
@@ -48,6 +48,6 @@ where
         });
         parent.append_subtree_as_child(subtree, child_position);
 
-        self.idx.clone()
+        self.idx
     }
 }
diff --git a/src/subtrees_within/copied_subtree.rs b/src/subtrees_within/copied_subtree.rs
index 0add042..e8d2d16 100644
--- a/src/subtrees_within/copied_subtree.rs
+++ b/src/subtrees_within/copied_subtree.rs
@@ -45,6 +45,6 @@ where
         });
         parent.append_subtree_as_child(subtree, child_position);
 
-        self.idx.clone()
+        self.idx
     }
 }
diff --git a/src/subtrees_within/moved_subtree.rs b/src/subtrees_within/moved_subtree.rs
index ad59abb..b9e9f69 100644
--- a/src/subtrees_within/moved_subtree.rs
+++ b/src/subtrees_within/moved_subtree.rs
@@ -49,6 +49,6 @@ impl<V: TreeVariant> SubTreeWithinCore<V> for MovedSubTreeWithin<V> {
         let node_parent = unsafe { &mut *ptr_parent.ptr_mut() };
         node_parent.next_mut().insert(child_position, ptr_child);
 
-        self.idx.clone()
+        self.idx
     }
 }
diff --git a/src/tree_node_idx.rs b/src/tree_node_idx.rs
index 6c68737..7849530 100644
--- a/src/tree_node_idx.rs
+++ b/src/tree_node_idx.rs
@@ -248,7 +248,7 @@ impl<V: TreeVariant> NodeIdx<V> {
     /// [`push_child_tree_within`]: crate::NodeMut::push_child_tree_within
     /// [`push_sibling_tree_within`]: crate::NodeMut::push_sibling_tree_within
     pub fn into_subtree_within(&self) -> MovedSubTreeWithin<V> {
-        MovedSubTreeWithin::new(self.clone())
+        MovedSubTreeWithin::new(*self)
     }
 
     /// Creates a subtree view including this node as the root and all of its descendants with their orientation relative
@@ -264,7 +264,7 @@ impl<V: TreeVariant> NodeIdx<V> {
     where
         V::Item: Clone,
     {
-        ClonedSubTreeWithin::new(self.clone())
+        ClonedSubTreeWithin::new(*self)
     }
 
     /// Creates a subtree view including this node as the root and all of its descendants with their orientation relative
@@ -280,7 +280,7 @@ impl<V: TreeVariant> NodeIdx<V> {
     where
         V::Item: Copy,
     {
-        CopiedSubTreeWithin::new(self.clone())
+        CopiedSubTreeWithin::new(*self)
     }
 }