输入购物费

feige

2025-01-06 d94517c1dbde0d7b80a77f1003cd2d9aacaa677b

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