Event emittable function

gistfile1.js

var EventEmitter = require('events').EventEmitter;
var util = require('util');

var F = function () {};
util.inherits(F, EventEmitter);

Object.getOwnPropertyNames(Function.prototype).forEach(function(e) {
  F.prototype[e] = Function.prototype[e];
});

var f = function () {
  console.log('called. args:', Array.prototype.slice.call(arguments));
  f.emit('hoge');
};

f.__proto__ = new F();

f.on('hoge', function () {
  console.log('emitted.');
})(1, 'a', true);

// called. args: [ 1, 'a', true ]
// emitted.