fang-ng4

这个说法应该有问题： 应该是：变量如果在声明的时候，未指定其类型也没有赋值，那么它会被识别为任意值类型 你说的情况可以类型推断出来，所以也会报错

依赖重复和少注释

```vue import { ref, Ref, reactive, isRef, unref, toRef } from "vue" const initial = ref(10) const count = ref(0) // Challenge 1: Update ref function update(value) { // impl......

```vue import { ref, watch } from 'vue'; /** * Implement the composable function * Make sure the function works correctly */ function useLocalStorage(key: string, initialValue: any) { const counter...

```vue import {ref} from 'vue' interface UseCounterOptions { min?: number max?: number } /** * Implement the composable function * Make sure the function works correctly */ function useCounter(initialValue =...

```vue import { ref } from 'vue' /** * Implement a composable function that toggles the state * Make the function work correctly */ function useToggle() { const state =...