function set(transform, a, b, c, d, e, f) {
  transform[0] = a;
  transform[1] = b;
  transform[2] = c;
  transform[3] = d;
  transform[4] = e;
  transform[5] = f;
  return transform;
}
Set the transform components a-f on a given transform.
@param {!Transform} transform Transform.
@param {number} a The a component of the transform.
@param {number} b The b component of the transform.
@param {number} c The c component of the transform.
@param {number} d The d component of the transform.
@param {number} e The e component of the transform.
@param {number} f The f component of the transform.
@return {!Transform} Matrix with transform applied.