borrow hugr

CQCL · Aug 16, 2024 · 1582db3 · 1582db3
1 parent ce5cb32
commit 1582db3
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/hugr/benches/benchmarks/hugr.rs b/hugr/benches/benchmarks/hugr.rs
@@ -67,7 +67,7 @@ impl Serializer for JsonSer {
     }
 }
 
-fn roundtrip(hugr: Hugr, serializer: impl Serializer) -> Hugr {
+fn roundtrip(hugr: &Hugr, serializer: impl Serializer) {
     let bytes = serializer.serialize(&hugr);
     serde_json::from_slice(&bytes).unwrap()
 }
@@ -160,7 +160,7 @@ fn bench_serialization(c: &mut Criterion) {
     c.bench_function("simple_cfg_serialize", |b| {
         let h = simple_cfg_hugr();
         b.iter(|| {
-            black_box(roundtrip(h.clone(), JsonSer));
+            black_box(roundtrip(&h, JsonSer));
         });
     });
     let mut group = c.benchmark_group("circuit_serialize");
@@ -169,7 +169,7 @@ fn bench_serialization(c: &mut Criterion) {
         group.bench_with_input(BenchmarkId::from_parameter(size), size, |b, &size| {
             let h = circuit(size);
             b.iter(|| {
-                black_box(roundtrip(h.clone(), JsonSer));
+                black_box(roundtrip(&h, JsonSer));
             });
         });
     }