From: William James <w_a_x_man@...>
Date: 2009-02-12T09:38:44+09:00
Subject: Re: Array#to_hash

Trans wrote:

> Would any problems arise from extending Array with this?
> 
>   # Convert an array into an indexed hash.
>   #
>   # [:a,:b,:c].to_hash  #=> {0=>:a,1=>:b,2=>:c}
>   #
>   def to_hash
>     h = {}
>     each_with_index do |v, i|
>       h[i] = v
>     end
>     h
>   end
> 
> Thanks,
> T.

Always remember:

"We don't need no stinkin' loops!"

a=[:a,:b,:c]
    ==>[:a, :b, :c]
Hash[ *(0...a.size).zip(a).flatten ]
    ==>{0=>:a, 1=>:b, 2=>:c}