From: Robert Klemme <bob.news@...>
Date: 2005-10-17T17:41:56+09:00
Subject: Re: how to create a hash from 2 arrays?

Brian Schr�der wrote:
> On 17/10/05, Tiggerius <tiggerius@gmail.com> wrote:
>> keys = ["1", "2", "3", "4", "5"]
>> vals = ["a", "b", "c", "d", "e", "f", "g"]
>>
>> I want h = {"1"=>"a", "2"=>"b", "3"=>"c", "4"=>"d", "5"=>"e"}
>>
>> right now I do it by:
>>   for i in 0..keys.size-1
>>     h[keys[i]]=vals[i]
>>   end
>>
>> is there a ruby way, more slick way of doing this? Thanks.
>>
>>
>>
>
> Not as slick as simons version, but never miss a possibility to use
> inject.
>
> irb(main):001:0> keys = ["1", "2", "3", "4", "5"]
> => ["1", "2", "3", "4", "5"]
>
> irb(main):002:0> vals = ["a", "b", "c", "d", "e", "f", "g"]
> => ["a", "b", "c", "d", "e", "f", "g"]
>
> irb(main):003:0> keys.zip(vals).inject({}) { | h, (k, v) | h[k] = v;
> h } => {"1"=>"a", "2"=>"b", "3"=>"c", "4"=>"d", "5"=>"e"}

Very nice!  You clearly seem injected - pardon: infected.
:-)

    robert