From: Aaron Patterson <tenderlove@...>
Date: 2012-10-30T08:18:06+09:00
Subject: [ruby-core:48553] Re: [ruby-trunk - Feature #7241][Open] Enumerable#to_h proposal

On Tue, Oct 30, 2012 at 07:23:29AM +0900, nathan.f77 (Nathan Broadbent) wrote:
> 
> Issue #7241 has been reported by nathan.f77 (Nathan Broadbent).
> 
> ----------------------------------------
> Feature #7241: Enumerable#to_h proposal
> https://bugs.ruby-lang.org/issues/7241
> 
> Author: nathan.f77 (Nathan Broadbent)
> Status: Open
> Priority: Normal
> Assignee: 
> Category: core
> Target version: 
> 
> 
> I often use the `inject` method to build a hash, but I always find it annoying when I need to return the hash at the end of the block.
> This means that I often write code like:
> 
>     [1,2,3,4,5].inject({}) {|hash, el| hash[el] = el * 2; hash }

1.9.3p194 :001 > [1,2,3,4].each_with_object({}) { |x,o| o[x] = x ** 2 }
 => {1=>1, 2=>4, 3=>9, 4=>16} 
1.9.3p194 :002 >

-- 
Aaron Patterson
http://tenderlovemaking.com/