UNPKG

remeda

Version:

A utility library for JavaScript and Typescript.

50 lines (49 loc) 1.88 kB
import { IterableContainer } from "./IterableContainer-B2PfkIAC.js"; //#region src/sum.d.ts type Sum<T extends IterableContainer<bigint> | IterableContainer<number>> = T extends readonly [] ? 0 : T extends readonly [bigint, ...ReadonlyArray<unknown>] ? bigint : T[number] extends bigint ? bigint | 0 : number; /** * Sums the numbers in the array, or return 0 for an empty array. * * Works for both `number` and `bigint` arrays, but not arrays that contain both * types. * * IMPORTANT: The result for empty arrays would be 0 (`number`) regardless of * the type of the array; to avoid adding this to the return type for cases * where the array is known to be non-empty you can use `hasAtLeast` or * `isEmpty` to guard against this case. * * @param data - The array of numbers. * @signature * R.sum(data); * @example * R.sum([1, 2, 3]); // => 6 * R.sum([1n, 2n, 3n]); // => 6n * R.sum([]); // => 0 * @dataFirst * @category Number */ declare function sum<T extends IterableContainer<bigint> | IterableContainer<number>>(data: T): Sum<T>; /** * Sums the numbers in the array, or return 0 for an empty array. * * Works for both `number` and `bigint` arrays, but not arrays that contain both * types. * * IMPORTANT: The result for empty arrays would be 0 (`number`) regardless of * the type of the array; to avoid adding this to the return type for cases * where the array is known to be non-empty you can use `hasAtLeast` or * `isEmpty`to guard against this case. * * @signature * R.sum()(data); * @example * R.pipe([1, 2, 3], R.sum()); // => 6 * R.pipe([1n, 2n, 3n], R.sum()); // => 6n * R.pipe([], R.sum()); // => 0 * @dataLast * @category Number */ declare function sum(): <T extends IterableContainer<bigint> | IterableContainer<number>>(data: T) => Sum<T>; //#endregion export { sum }; //# sourceMappingURL=sum-DmgzK4-9.d.ts.map