From: "Berger, Daniel" <Daniel.Berger@...>
Date: 2006-04-20T01:35:19+09:00
Subject: Re: Symbol#to_proc is just so beautiful

> -----Original Message-----
> From: Daniel Schierbeck [mailto:daniel.schierbeck@gmail.com] 
> Sent: Wednesday, April 19, 2006 10:27 AM
> To: ruby-talk ML
> Subject: Symbol#to_proc is just so beautiful
> 
> 
> When is this ever getting into Ruby Core?
> 
>    class Symbol
>      def to_proc
>        proc{|obj| obj.send(self) }
>      end
>    end
> 
> Consider this:
> 
>    class Numeric
>      def positive?
>        self > 0
>      end
>    end
> 
>    [1, 2, 3].all? &:positive?  => true
>    [-1, 2, 3].all? &:positive? => false
> 
> It's just so damn beautiful!

There must be a way to ditch that '&' somehow.  I'd prefer this:

[1,2,3].all?(:positive?)

Dan