sequency/lib/sumBy.js

Functional sequences for processing iterable data in JavaScript

Object.defineProperty(exports, "__esModule", { value: true });
exports.SumBy = void 0;
var SumBy = /** @class */ (function () {
    function SumBy() {
    }
    /**
     * Returns the sum of all numbers specified by the given `selector` function.
     *
     * @param {(value: T) => number} selector
     * @returns {number}
     */
    SumBy.prototype.sumBy = function (selector) {
        var result = 0;
        for (var item = this.iterator.next(); !item.done; item = this.iterator.next()) {
            result += selector(item.value);
        }
        return result;
    };
    return SumBy;
}());
exports.SumBy = SumBy;
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