review comment

CQCL · Nov 8, 2023 · 31bf803 · 31bf803
1 parent 64e11f7
commit 31bf803
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/hugr/hugrmut.rs b/src/hugr/hugrmut.rs
@@ -42,7 +42,8 @@ pub trait HugrMut: HugrMutInternals {
         key: impl AsRef<str>,
         metadata: impl Into<NodeMetadata>,
     ) -> Result<(), HugrError> {
-        *self.get_metadata_mut(node, key)? = metadata.into();
+        let entry = self.get_metadata_mut(node, key)?;
+        *entry = metadata.into();
         Ok(())
     }