Function isKeyof

isKeyof<T extends object>(obj: T, key: PropertyKey): key is keyof T
Check if an object has a property

检查一个对象是否有属性
Type Parameters
- T extends object
Parameters
- obj: T
  The object to check. 要检查的对象
- key: PropertyKey
  The key to check for. 要检查的键
Returns key is keyof T
True if the object has the property, false otherwise. 如果对象具有该属性则返回true，否则返回false
- Defined in src/predicate/is-keyof.ts:12