bbars

function* permute(permutation) {
	let length = permutation.length;
	let c = Array(length).fill(0);
	let i = 1;
	let k;
	let p;
	yield permutation;
	
	while (i < length) {
		if (c[i] < i) {

bbars

class Enum {
    constructor(name, value) {
        if (this.constructor._nameValue.has(name)) {
            throw new Error(`Duplicate name: ${name}`);
        }
        if (this.constructor._valueName.has(value)) {
            throw new Error(`Duplicate value: ${value}`);
        }
        Object.defineProperties(this, {
            name: {

bbars

function formatRepeatingDecimal(num) {
	num = num.toString();
	var p = num.split('.');
	if (p.length === 1) {
		return p[0];
	}
	
	// match parts (prefix, repeating, suffix):
	var m = /^(\d*?)(\d{1,})\2{2,}(\d*?)$/.exec(p[1]);
	if (!m) {

bbars

var bytes = [
	0xff0000, 0x00ff00, 0x0000ff,
	0x0000cc, 0xcc0000, 0x00cc00,
	0x00ee00, 0x0000ee, 0xee0000,
];
var img = pixelsToImage(bytes);
console.log(img.src);

img.width = 90;
img.height = 90;

bbars

import (
	"strings"
)

type SortedStrArray []string

func NewSortedStrArray(arr []string) (*SortedStrArray) {
	res := SortedStrArray(arr)
	return &res
}

bbars

Function.prototype.expectResult = async function expectResult(interval, timeout, expectValue) {
	if (interval <= 0)
		interval = 1000;
	var fn = this;
	var timeStart = Date.now();
	var tries = 0;
	function check() {
		var value, error, asExpected;
		try {
			value = fn();

bbars

function p2d(a, r) {
    return [
        r * Math.cos(a),
        r * Math.sin(a),
    ];
}

function p_distance(a0, r0, a1, r1) {
    var d0 = p2d(a0, r0);
    var d1 = p2d(a1, r1);

bbars

<?php // I don't know why anybody may need it

class Promise {
	protected $resolvers = [];
	protected $catchers = [];
	protected $value = null;
	protected $error = null;
	protected $status = 'idle';
	
	public function __construct($run, $manualStart = false) {

bbars

var generateSvgAvatar = (function () {
	return function (seed, raw) {
		var rands = hash320('' + seed);
		var randsHex = rands.map(function (v) {
			return ('00' + v.toString(16)).slice(-2);
		}).join('');
		rands = rands.concat(rands);
		var globalRotation = 360 * rands[rands[0] % 20] / 0xff;
		var particles = [];
		var n = 20;

bbars

Object.enableChaining = function (obj) {
	if (!obj || typeof obj !== 'object')
		throw new TypeError("Argument obj is not an Object");
	var names = {};
	var protos = [];
	var cur = obj;
	var descr;
	while (cur && protos.indexOf(cur) < 0) {
		descr = Object.getOwnPropertyDescriptors(cur);
		for (var k in descr) {