From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2008-10-16T23:13:46+09:00
Subject: Re: what is [] here

On Thu, Oct 16, 2008 at 3:58 PM, Raj Singh <neeraj.jsr@gmail.com> wrote:
> class User
>  puts [].methods.size
>  puts self.methods.size
> end
>
>
> What does it mean to have [] method at a class level? Where is the
> documentation for it?

[] is a literal for a new empty Array.

irb(main):001:0> [].object_id
=> -606116168
irb(main):002:0> [].object_id
=> -606126028
irb(main):003:0> [].object_id
=> -606134558
irb(main):004:0> [].class
=> Array

Jesus.