From: Caleb Clausen <vikkous@...>
Date: 2010-04-25T03:02:03+09:00
Subject: Re: #object_hexid

On 4/24/10, Caleb Clausen <vikkous@gmail.com> wrote:
> Try this way?:
>
> class Object
>   def hexid
>     Object.instance_method(:inspect).bind(self).call[/:(.*?)[> ]/,1]
>   end
> end
>
> Ugly, but seems like it ought to be fairly universal. Well, it won't
> work with BlankSlate/BasicObject, but other than that....

Oh, but I see now that this doesn't work for many builtins like Array,
Hash, Integer, Float, String, true, Symbol.... I didn't expect that.