message: docs: add missing return statement to validate()
  PR Close
diff: @@ -42,7 +42,7 @@ export class UniqueAlterEgoValidatorDirective implements AsyncValidator {
  validate(
  control: AbstractControl
  ): Observable<ValidationErrors | null> {
  - this.validator.validate(control);
  + return this.validator.validate(control);
  }
  }
  // #enddocregion async-validator-directive
  