mingo/types/operators/accumulator/first.d.ts

MongoDB query language for in-memory objects

import { AccumulatorOperator } from "../../types";
/**
 * Returns the first value in a group.
 *
 * @param collection The input array
 * @param expr The right-hand side expression value of the operator
 * @returns {*}
 */
export declare const $first: AccumulatorOperator;