ignore: cloud stuff

cloud/core/src/util/memo.ts

@@ -0,0 +1,11 @@
+export function memo<T>(fn: () => T) {
+  let value: T | undefined
+  let loaded = false
+
+  return (): T => {
+    if (loaded) return value as T
+    loaded = true
+    value = fn()
+    return value as T
+  }
+}