var Dict = module.exports = function Dict() {
  Object.defineProperty(this, "_keys", {
    enumerable: false,
    value: [],
  })
}

Dict.prototype.binaryKeys = function binaryKeys() {
  return this._keys.slice()
}

Dict.prototype.binarySet = function binarySet(key, value) {
  this._keys.push(key)

  this[key] = value
}
