查看不到，把dropdown删除了

feige

2023-04-25 5a41d13e34984ca5c20166428759bdafc9beb120

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import { Subscriber } from './Subscriber';
import { TeardownLogic } from './types';
 
export interface Operator<T, R> {
  call(subscriber: Subscriber<R>, source: any): TeardownLogic;
}