mingo
Version:
MongoDB query language for in-memory objects
6 lines (5 loc) • 298 B
TypeScript
import { Any, AnyObject, Options } from "../../../types";
/**
* Matches documents that contain or do not contain a specified field, including documents where the field value is null.
*/
export declare const $exists: (selector: string, value: Any, _options: Options) => (o: AnyObject) => boolean;