Server : Apache System : Linux server2.corals.io 4.18.0-348.2.1.el8_5.x86_64 #1 SMP Mon Nov 15 09:17:08 EST 2021 x86_64 User : corals ( 1002) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory :  /home/corals/mets.corals.io/wp-content/metras.v32.1/node_modules/rxjs/src/operator/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

import { Observable } from '../Observable';
import { isEmpty as higherOrder } from '../operators/isEmpty';

/**
 * If the source Observable is empty it returns an Observable that emits true, otherwise it emits false.
 *
 * <img src="./img/isEmpty.png" width="100%">
 *
 * @return {Observable} An Observable that emits a Boolean.
 * @method isEmpty
 * @owner Observable
 */
export function isEmpty<T>(this: Observable<T>): Observable<boolean> {
  return higherOrder()(this);
}