/*!
 * nanoseconds <https://github.com/jonschlinkert/nanoseconds>
 *
 * Copyright (c) 2015, Jon Schlinkert.
 * Licensed under the MIT License.
 */

'use strict';

module.exports = function (time) {
  if (!Array.isArray(time) || time.length !== 2) {
    throw new TypeError('expected an array from process.hrtime()');
  }
  return ((+time[0]) * 1e9) + (+time[1]);
};