From: Trans <transfire@...>
Date: 2006-12-28T01:39:45+09:00
Subject: Re: Using an UnboundMethod instead of an alias to redefine a method


Mauricio Fernandez wrote:
>
> That technique is fairly old (I myself tried to popularize it a few years
> ago). It's cleaner & generally safer than alias_method, but there are three
> shortcomings:
> * the environment captured by the closure is often too heavy (extra care
>   needed to get rid of unwanted references is needed)
> * a method defined with define_method+block cannot take a block under 1.8
>   (it's possible in 1.9, though)
> * method calls are much slower
>
> [1] some other examples
>     http://thekode.net/ruby/techniques/CapturingMethods.html

(* Trans still patiently awaits Cuts *)

T.