Function defineStdIterators

lib/web/polyfill.js:518–536

(Base, NAME, Constructor, next, DEFAULT, IS_SET)

  return iter;
}
function defineStdIterators(Base, NAME, Constructor, next, DEFAULT, IS_SET){
  function createIter(kind){
    return function(){
      return new Constructor(this, kind);
    }
  }
  createIterator(Constructor, NAME, next);
  var entries = createIter(KEY+VALUE)
    , values  = createIter(VALUE);
  if(DEFAULT == VALUE)values = defineIterator(Base, NAME, values, 'values');
  else entries = defineIterator(Base, NAME, entries, 'entries');
  if(DEFAULT){
    $define(PROTO + FORCED * BUGGY_ITERATORS, NAME, {
      entries: entries,
      keys: IS_SET ? values : createIter(KEY),
      values: values
    });
  }
}
function iterResult(done, value){
  return {value: value, done: !!done};
}