From: Brian Candler <b.candler@...>
Date: 2008-09-22T04:48:53+09:00
Subject: Re: iterating methods on multiple parameters

Jason Lillywhite wrote:
> I just saw a similar issue (#163350 of this forum).
> 
> seems like this might work to change values of a hash:
> 
> hash = {'x'=>2, 'y'=5}
> hash_new = hash.inject({}) do |h, (k,v)|
>   h[v * 2] = k
>   h
> end
> 
> although this returns {10=>"y", 4=>"x"}
> 
> something seems amiss...

hash = {'x'=>2, 'y'=>5}
hash_new = hash.inject({}) do |h, (k,v)|
  h[k] = v * 2
  h
end
-- 
Posted via http://www.ruby-forum.com/.