From: Simon Kitching <simon@...>
Date: 2003-10-16T09:42:59+09:00
Subject: Re: General Ruby Programming questions

On Thu, 2003-10-16 at 13:14, James Britt wrote:
> Eric Hodel wrote:
> 
> > Simon Kitching (simon@ecnetwork.co.nz) wrote:
> ...
> >>Is there any reason why Ruby allows private methods to be invoked like
> >>this? (rather than provide a tidy alternative for problems like mine).
> > 
> > 
> > I believe I'm giving a fairly accurate paraphrase of matz when I say
> > that Ruby doesn't prevent you from writing sloppy code, it just makes it
> > look ugly enough so that you don't do it.
> > 
> 
> And if you really want to trap such calls you can override 'send':
> 
> module SafeSend
>   alias evil_unsafe_send send
>   def send( m, *args )
>    msg = "No sending of private messages!"
>    raise msg if self.private_methods.include? m.to_s
>    evil_unsafe_send( m, *args )
>   end
> end
> 
> 
> class Foo
>    include SafeSend
>   # ...
> end

Hah! Consider my questions answered :-)

I love the way Ruby can override default behaviours.....

Regards,

Simon