azurite

function isNull(v) {
  return typeof v === "object" && !v;
}

function isPrimitive(v) {
  return ["number", "string", "boolean", "undefined"].indexOf(typeof v) !== -1 || isNull(v);
}

function isPlainObject(o) {
  return o && typeof o === "object" && o.constructor === Object;

azurite

/**
* Returns an array of all possible permutations of the given array provided the arrays length is smaller then 13
* @param {Array} arr The given array to compute it's permutations. Empty array if not specified.
* @returns {Array} an array of all the possible permutations of arr
*/
function perm(arr = []) {
  if(arr.length > 12) {
    // Javascript Array max length is 2^32 - 1 but 13! > 2^32 -1
    throw new RangeError("perm() allowed max array length is 12");
  }

azurite

function curry(fn) {
  var slice = Array.prototype.slice;
  var arity = fn.length;
  var args  = slice.call(arguments, 1);

  function acc() {
    var largs = args;

    if (arguments.length > 0) {
      largs = largs.concat(slice.call(arguments, 0));

azurite

package assignment13.stm;

import scala.concurrent.stm.Ref;
import scala.concurrent.stm.TArray;
import scala.concurrent.stm.japi.STM;

import java.util.concurrent.Callable;

/**
 * This class implements a {@link assignment13.stm.CircularBuffer} using software-transactional memory (more