mingo
Version:
MongoDB query language for in-memory objects
11 lines (10 loc) • 297 B
TypeScript
import { PipelineOperator } from "../../core";
/**
* Returns a document that contains a count of the number of documents input to the stage.
*
* @param {Array} collection
* @param {String} expr
* @param {Options} options
* @return {Object}
*/
export declare const $count: PipelineOperator;