♻️ refactor: Use arrow functions.

Author: make-github-pseudonymous-again

src/_next.js

@@ -4,6 +4,5 @@
  * @param {Iterator} iterator - The input iterator.
  * @returns {{value: any, done?: boolean}}
  */
-export default function _next(iterator) {
-	return iterator.next();
-}
+const _next = (iterator) => iterator.next();
+export default _next;

src/next.js

@@ -11,7 +11,7 @@ import _next from './_next.js';
  * that the input iterator is exhausted.
  * @returns {any} The next value of the input iterator.
  */
-export default function next(iterator, dflt = undefined) {
+const next = (iterator, dflt = undefined) => {
 	const x = _next(iterator);
 
 	if (x.done) {
@@ -23,4 +23,6 @@ export default function next(iterator, dflt = undefined) {
 	}
 
 	return x.value;
-}
+};
+
+export default next;