From: w_a_x_man <w_a_x_man@...>
Date: 2010-11-27T09:45:14+09:00
Subject: Re: Newbie: two cool discoveries

On Nov 26, 8:11 am, Arturo Garcia <arturo.g.art...@gmail.com> wrote:
> the "&" is a shortcut to "to_proc"
>
> class Symbol
>   def to_proc
>     lambda { |x| x.__send__(self) }

Note that it's to_proc, not to_lambda. I don't see why
anyone would want to type the gibberish "lambda" when
he could type the shorter and clearer "proc".

>   end
> end
>
> So in theory, you could use to send *any* message
>
> ( Ruby 1.9* btw )

Why in the world do you say that?

[-9].map(&:abs)
    ==>[9]
VERSION
    ==>"1.8.7"