Function zeroArray

docs/tests/v2/es6/js/sanddance.js:125608–125615

(n)

function zeroArray(n) {
  var a = [],
      i = -1;

  while (++i < n) a[i] = 0;

  return a;
}

function functor(d) {
  return typeof d === "function" ? d : function () {