From: Edoardo Rossi <edd.rossi@...>
Date: 2013-02-14T21:43:39+09:00
Subject: Re: Best DRY way to write bang versions of methods?

On Thu, Feb 14, 2013 at 1:06 PM, Joel Pearson <lists@ruby-forum.com> wrote:
> I've been wondering about the best way to quickly create a "bang"
> version of a method (specifically one which overwrites self). Is there a
> better DRY approach than the below?
> I guess that there's probably a way to input a list of methods as
> symbols and output bang versions of each as new methods, but at the
> moment I'm more interested in the wording of the bang method itself.
>
> This is the best I can come up with (in pseudo-code):
>
> def test( arg1, arg2, arg3=true )
>   #Do stuff with the args that returns a value
> end
>
> def test!(*p)
>   replace test(*p)
> end
>
> --
> Posted via http://www.ruby-forum.com/.
>

Hi...

IMHO sometimes this is useful:

def foo(something)
  dup.foo!(something)
end

def foo!(something)
  # do the work...
end

e.