lovasoa

// ES6 version using asynchronous iterators, compatible with node v10.0+

const fs = require("fs");
const path = require("path");

async function* walk(dir) {
    for await (const d of await fs.promises.opendir(dir)) {
        const entry = path.join(dir, d.name);
        if (d.isDirectory()) yield* walk(entry);
        else if (d.isFile()) yield entry;

tetsuok

package main

import "fmt"

// Very naive answer.
// fibonacci is a function that returns
// a function that returns an int.
func fibonacci() func() int {
	n := 0
	a := 0