tail-call

def get_random_element(dictionary):
    S = 0
    r = random.random()
    for (key, val) in dictionary.items():
        S += val
        if S > r:
            return key

tail-call

// From <https://github.com/ondras/rot.js/blob/master/src/rng.js>
// I have no idea how this works

function getNormal (mean, stddev) {
		do {
			var u = 2*this.getUniform()-1;
			var v = 2*this.getUniform()-1;
			var r = u*u + v*v;
		} while (r > 1 || r == 0);

tail-call

#lang racket

(define (last items)
  "Get the last element of ITEMS"
  (foldl (lambda (x acc) x) (void) items))

tail-call

import org.lwjgl.Version
import org.lwjgl.glfw._
import org.lwjgl.opengl.GL

println("LWJGL Version "+ Version.getVersion() +" is working.")

// Print to console on error
GLFW.glfwSetErrorCallback(
  GLFWErrorCallback.createPrint(System.err)
)

tail-call

function iota (n, zero = 0, delta = 1) {
    return (new Array(n)).fill(null).map((_, i) => zero + delta * i);
}

tail-call

{
    "name": "tail-call-ru",
    "version": "0.0.1",
    "description": "My personal site",
    "main": " ",
    "dependencies": {},
    "devDependencies": {
        "babel-cli": "^6.26.0",
        "babel-preset-es2015": "^6.24.1",
        "babel-preset-react": "^6.24.1",

tail-call

// Coll zero padding hack
// See <https://stackoverflow.com/questions/3552461/how-to-format-a-javascript-date#comment52315011_30272803>

(new Array(100)).fill(null).map((_, i) => ("0" + i).slice(-2))

tail-call

function makeElement(tagName, attributes, ...children) {
	let element = document.createElement(tagName);
	Object.assign(element, attributes);

	for (let child of children) {
		element.appendChild(child);
	}

	return element;
}

tail-call

class Enum {
    static create(...members) {
        class DerivedEnum extends Enum {
            static contains(member) {
                return member instanceof DerivedEnum;
            }
        }
        
        for (let member of members) {
            DerivedEnum[member] = new DerivedEnum();

tail-call

import verboseFunction from './verbose.js';

const execute = verboseFunction(["after", "function"], (ms, cb) => setTimeout(cb, ms));

execute.after(1000).function(() => console.log("so verbose!"));

// You also get currying for free

const waitOneSecondAndExecute = execute.after(1000);