isKeyed()

返回True表示这是Collection.key或其子类。

  1. isKeyed(maybeKeyed: any): boolean
示例
  1. const { isKeyed, Map, List, Stack } = require('immutable');
  2. isKeyed([]); // false
  3. isKeyed({}); // false
  4. isKeyed(Map()); // true
  5. isKeyed(List()); // false
  6. isKeyed(Stack()); // false