TimBlock

// Your code here.
function every(array,predicate){
  for(var i = 0; i<array.length; i++){
    if (!predicate(array[i]))
    return false;
	}
  return true;
}

function some(array,predicate){

TimBlock

// Your code here.
function Vector(x,y){
  this.x=x;
  this.y=y;
};
Vector.prototype.plus = function(vector){
  return new Vector(this.x+vector.x, this.y+vector.y)
}

Vector.prototype.minus = function(vector){

TimBlock

// Your code here.
function StretchCell(inner, width, height){
  this.inner = inner;
  this.width = width;
  this.height = height;
};
StretchCell.prototype.minWidth = function(){
  return Math.max(this.width, this.inner.minWidth());
}
StretchCell.prototype.minHeight = function() {

TimBlock

function logFive(sequence) {
  for (var i = 0; i < 5; i++) {
    if (!sequence.next())
      break;
    console.log(sequence.current());
  }
}

function ArraySeq(array) {
  this.pos = -1;

TimBlock

function MultiplicatorUnitFailure() {}

function primitiveMultiply(a, b) {
  if (Math.random() < 0.5)
    return a * b;
  else
    throw new MultiplicatorUnitFailure();
}

function reliableMultiply(a, b) {

TimBlock

function withBoxUnlocked(body) {

  var closed = box.locked;
  if (!closed) return body();
  box.unlock();
  try{ 
    return body();
  } finally{
    box.lock();
  }