Zip two iterables

zip.ts

export const zip = <A, B>(
	a: Iterable<A>,
	b: Iterable<B>
): Iterable<[A, B]> => ({
	[Symbol.iterator]() {
		const iterA = a[Symbol.iterator]()
		const iterB = b[Symbol.iterator]()
		return {
			next() {
				const resultA = iterA.next()
				const resultB = iterB.next()
				return {
					value: [resultA.value, resultB.value],
					done: resultA.done || resultB.done,
				}
			},
		}
	},
})