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-rw-r--r--src/libgraphviz/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libgraphviz/lib.rs b/src/libgraphviz/lib.rs
index 74be96235d2..95b78e1cbfd 100644
--- a/src/libgraphviz/lib.rs
+++ b/src/libgraphviz/lib.rs
@@ -524,7 +524,7 @@ pub trait GraphWalk<'a, N, E> {
     fn target(&'a self, edge: &E) -> N;
 }
 
-#[derive(Copy, PartialEq, Eq, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug)]
 pub enum RenderOption {
     NoEdgeLabels,
     NoNodeLabels,