/**
 * Created by user on 2019/6/11.
 */
export type ITSIteratorLazy<T extends Iterator<any> | IteratorResult<any>> = T extends IteratorResult<infer U> ? IteratorResult<U> : T extends Iterator<infer U> ? Iterator<U> : T;
export type ITSTypeOfIterator<T extends ITSIteratorLazy<any>> = T extends Iterator<infer U> ? U : T extends IteratorResult<infer U> ? U : any;