README.Zh CN - Type Challenges

<h1>Mutable </h1><blockquote><p>by jiangshan <a href="https://github.com/jiangshanmeta" target="_blank">@jiangshanmeta</a></p></blockquote><p><a href="https://tsch.js.org/2793/play/zh-CN" target="_blank"></a>    <a href="./README.md" target="_blank"></a> </p>

实现一个通用的类型 Mutable<T>，使类型 T 的全部属性可变（非只读）。

例如：

typescript

interface Todo {
  readonly title: string
  readonly description: string
  readonly completed: boolean
}

type MutableTodo = Mutable<Todo> // { title: string; description: string; completed: boolean; }