sequency/lib/sumBy.d.ts

Functional sequences for processing iterable data in JavaScript

import Sequence from "./Sequence";
export declare class SumBy {
    /**
     * Returns the sum of all numbers specified by the given `selector` function.
     *
     * @param {(value: T) => number} selector
     * @returns {number}
     */
    sumBy<T>(this: Sequence<T>, selector: (value: T) => number): number;
}