var util = {
  inherits: function(ctor, superCtor) {
    ctor.super_ = superCtor;
    ctor.prototype = Object.create(superCtor.prototype, {
      constructor: {
        value: ctor,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
  },
  extend: function(dest, source) {
    for(var key in source) {
      if(source.hasOwnProperty(key)) {
        dest[key] = source[key];
      }
    }
    return dest;
  },
  randomId: function () {
    return Math.random().toString(36).substr(2);
  },
  prettyError: function (msg) {
    console.log('PeerServer: ', msg);
  }
};

// if node
module.exports = util;
// end node