From 8c6c98859cb3caf3b87c0029ec6ed674ffe87666 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20M=C3=BCller?= <stefan.mueller@aksdb.de>
Date: Fri, 17 Jul 2026 09:53:05 +0200
Subject: [PATCH] Add Copy to IncidenceCursor trait

---
 src/traits.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/traits.rs b/src/traits.rs
index e3112bb..91924bf 100644
--- a/src/traits.rs
+++ b/src/traits.rs
@@ -5,7 +5,7 @@ use crate::maps::{EdgeMap, VertexMap};
 pub trait GraphTopology {
     type Vertex: Copy + Eq;
     type Edge: Copy + Eq;
-    type IncidenceCursor: IncidenceCursor<Self> + Copy;
+    type IncidenceCursor: IncidenceCursor<Self>;
 
     fn vertex_count(&self) -> usize;
     fn vertex_capacity(&self) -> usize;
@@ -31,6 +31,6 @@ pub trait GraphTopologyDeletion: GraphTopology {
     fn delete_edge(&mut self, e: Self::Edge);
 }
 
-pub trait IncidenceCursor<G: GraphTopology + ?Sized> {
+pub trait IncidenceCursor<G: GraphTopology + ?Sized>: Copy {
     fn next(&mut self, graph: &G) -> Option<(G::Vertex, G::Edge)>;
 }