var mod_fs = require('fs');
  var mod_verror = require('../lib/verror');
  
  var filename = '/nonexistent';
  
  mod_fs.stat(filename, function (err1) {
  	var err2 = new mod_verror.WError(err1, 'failed to stat "%s"', filename);
  
  	/* The following would normally be higher up the stack. */
  	var err3 = new mod_verror.WError(err2, 'failed to handle request');
  	console.log(err3.message);
  	console.log(err3.toString());
  	console.log(err3.stack);
  });