switch to tracing for logging

packages/core/src/diff.rs

@@ -196,7 +196,8 @@ impl<'b> VirtualDom {
         right.scope.set(Some(scope_id));
 
         // copy out the box for both
-        let old = self.scopes[scope_id.0].props.as_ref();
+        let old_scope = &self.scopes[scope_id.0];
+        let old = old_scope.props.as_ref();
         let new: Box<dyn AnyProps> = right.props.take().unwrap();
         let new: Box<dyn AnyProps> = unsafe { std::mem::transmute(new) };
 
@@ -204,6 +205,11 @@ impl<'b> VirtualDom {
         // The target scopestate still has the reference to the old props, so there's no need to update anything
         // This also implicitly drops the new props since they're not used
         if left.static_props && unsafe { old.as_ref().unwrap().memoize(new.as_ref()) } {
+            tracing::trace!(
+                "Memoized props for component {:#?} ({})",
+                scope_id,
+                old_scope.context().name
+            );
             return;
         }