anchor.diff:  
   === Performance issues ===
   
  +TBD
  +
  +
  +
  
positive.code: 
  `println(baz(1))` will print `deco2 + deco1 + baz: 1`
  
  
  Moreover, since decorator are just higher order functions, they can be closure
  on a first argument, i.e. parametrized decorators, as illustrated in the following listing:
  
  [source,golo]
  ----
  
negative.code: ----
  function deco1 = |fun| {
    return |args...| {
      return "deco1 + " + fun: invokeWithArguments(args)
    }
  }
  ----
  