a zip code crypto-currency system good for red ONLY

is-native-implemented.js 267B

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  1. // Exports true if environment provides native `Set` implementation,
  2. // whatever that is.
  3. 'use strict';
  4. module.exports = (function () {
  5. if (typeof Set === 'undefined') return false;
  6. return (Object.prototype.toString.call(Set.prototype) === '[object Set]');
  7. }());