From: Hal Fulton <hal9000@...>
Date: 2004-04-24T13:21:24+09:00
Subject: Re: Array to Hash

Pe�a, Botp wrote:
> Finally, I got it (dug the archives)..
> 
> 
>>>h2 = Hash[*a]
> 
> => {["x", 1]=>["y", 3]}
> 
> But, it looks weird. No, not just the cryptic Hash*a, but the result as
> well. I do not see any use of the result.
> 
> I would rather prefer:
> 
> 
>>>h2 = a.to_hash   # or a.to_h
> 
> {"x"=>1, "y"=>3}
> 
> Seems no brainer if that's the case.
> Is there any reason why not?

Well, legacy code expects a flat array of pairs... so Hash(*(a.flatten))
should work for you. But changing the way that works could break others'
code.

Yet it does seem odd that Hash.to_a doesn't return a form that Hash[*a]
can use as-is.


Hal