From: Alex Young <alex@...>
Date: 2013-03-02T00:31:26+09:00
Subject: [ruby-core:53074] Re: [ruby-trunk - Feature #7994][Open] Make iterators pass an implicit named parameter `iteration` to the executed block

On 01/03/13 15:21, alexeymuranov (Alexey Muranov) wrote:
>
> Issue #7994 has been reported by alexeymuranov (Alexey Muranov).

What advantages does this have over:

   items.drop(1).each do |item|

or

   items[1..-1].each do |item|

or to invert it:

   items.first.tap do |item|

?

-- 
Alex

>
> ----------------------------------------
> Feature #7994: Make iterators pass an implicit named parameter `iteration` to the executed block
> https://bugs.ruby-lang.org/issues/7994
>
> Author: alexeymuranov (Alexey Muranov)
> Status: Open
> Priority: Normal
> Assignee:
> Category:
> Target version:
>
>
> =begin
> I think it would be nice to be able to write something like this:
>
>    items.each do |item|
>      unless iteration.first?
>        # do something that is not applicable to the first iteration
>      end
>      # do whatever is to be done to all items
>    end
> =end
>
>
>