From: "Bartosz Dziewoński" <matma.rex@...>
Date: 2011-10-15T05:12:45+09:00
Subject: Re: What’s the best way of checking if an argument has been given or not?

2011/10/14 Jens Wille <jens.wille@uni-koeln.de>:
> class A
>
>  def b(c = d = true)  # or some other truthy value
>    if d
>      puts 'no argument was given'
>    else
>      puts c
>    end
>  end
>
> end

I have to admit that's kinda cool.



2011/10/14 Intransition <transfire@gmail.com>:
> So, is there a downside to this?

Unreadability if you don't know what it does? Possibly barfing of
code-munging tools? I think that's it. I'd use it ;)


-- Matma Rex