Fix

packages/effect-fc/src/Memo.ts

@@ -27,7 +27,10 @@ export const memo = <T extends Component.Component<any, any, any, any>>(
     self: T
 ): T & Memo<Component.Component.Props<T>> => Object.setPrototypeOf(
     Object.assign(function() {}, self),
-    Object.freeze({ ...Object.getPrototypeOf(self), ...MemoProto }),
+    Object.freeze(Object.setPrototypeOf(
+        Object.assign({}, MemoProto),
+        Object.getPrototypeOf(self),
+    )),
 )
 
 export const withOptions: {

packages/effect-fc/src/Suspense.ts

@@ -59,7 +59,10 @@ export const suspense = <T extends Component.Component<any, any, any, any>>(
     & Suspense
 ) => Object.setPrototypeOf(
     Object.assign(function() {}, self),
-    Object.freeze({ ...Object.getPrototypeOf(self), ...SuspenseProto }),
+    Object.freeze(Object.setPrototypeOf(
+        Object.assign({}, SuspenseProto),
+        Object.getPrototypeOf(self),
+    )),
 )
 
 export const withOptions: {

packages/example/src/routes/dev/memo.tsx

@@ -25,16 +25,12 @@ const RouteComponent = Component.makeUntraced(function* RouteComponent() {
     Component.withRuntime(runtime.context)
 )
 
-const SubComponent = Component.makeUntraced(function* SubComponent() {
+class SubComponent extends Component.makeUntraced(function* SubComponent() {
     const id = yield* makeUuid4.pipe(Effect.provide(GetRandomValues.CryptoRandom))
     return <Text>{id}</Text>
-})
+}) {}
 
 class MemoizedSubComponent extends Memo.memo(SubComponent) {}
-console.log(MemoizedSubComponent.prototype)
-
-// console.log(Object.getPrototypeOf(SubComponent))
-// console.log(Object.getPrototypeOf(MemoizedSubComponent))
 
 export const Route = createFileRoute("/dev/memo")({
     component: RouteComponent,