diff --git a/packages/example/src/routes/dev/memo.tsx b/packages/example/src/routes/dev/memo.tsx
index e2e2bdd..aede091 100644
--- a/packages/example/src/routes/dev/memo.tsx
+++ b/packages/example/src/routes/dev/memo.tsx
@@ -1,16 +1,41 @@
 import { runtime } from "@/runtime"
+import { Flex, Text, TextField } from "@radix-ui/themes"
 import { createFileRoute } from "@tanstack/react-router"
+import { GetRandomValues, makeUuid4 } from "@typed/id"
+import { Effect } from "effect"
 import { Component } from "effect-fc"
+import * as React from "react"
 
 
-const RouteComponent = Component.make(function*() {
-    return <></>
+const RouteComponent = Component.make(function* RouteComponent() {
+    const VSubComponent = yield* Component.useFC(SubComponent)
+    const VMemoizedSubComponent = yield* Component.useFC(MemoizedSubComponent)
+
+    const [value, setValue] = React.useState("")
+
+    return (
+        <Flex direction="column" gap="2">
+            <TextField.Root
+                value={value}
+                onChange={e => setValue(e.target.value)}
+            />
+
+            <VSubComponent />
+            <VMemoizedSubComponent />
+        </Flex>
+    )
 }).pipe(
     Component.withRuntime(runtime.context)
 )
 
+const SubComponent = Component.make(function* SubComponent() {
+    const id = yield* makeUuid4.pipe(Effect.provide(GetRandomValues.CryptoRandom))
+    return <Text>{id}</Text>
+})
 
-
+const MemoizedSubComponent = Component.memo(SubComponent)
+console.log(SubComponent)
+console.log(MemoizedSubComponent)
 
 export const Route = createFileRoute("/dev/memo")({
     component: RouteComponent,