text: 'use strict';
  // classic singleton yargs API, to use yargs
  // without running as a singleton do:
  // require('yargs/yargs')(process.argv.slice(2))
  
  var yargs = require('./yargs');
  
  Argv(process.argv.slice(2));
  
  module.exports = Argv;
  
  function Argv(processArgs, cwd) {
    var argv = yargs(processArgs, cwd, require);
    singletonify(argv);
    return argv;
  }
  
  /*  Hack an instance of Argv with process.argv into Argv
      so people can do
      require('yargs')(['--beeble=1','-z','zizzle']).argv
      to parse a list of args and
      require('yargs').argv
      to get a parsed version of process.argv.
  */
  function singletonify(inst) {
    Object.keys(inst).forEach(function (key) {
      if (key === 'argv') {
        Argv.__defineGetter__(key, inst.__lookupGetter__(key));
      } else {
        Argv[key] = typeof inst[key] === 'function' ? inst[key].bind(inst) : inst[key];
      }
    });
  }