From: why the lucky stiff <ruby-talk@...>
Date: 2005-07-28T23:48:49+09:00
Subject: Re: Combination of two arrays

Ara.T.Howard wrote:

>>
>>  harp:~ > cat a.rb
>>  foo = [ "a", "b", "c", 'n' ]
>>  bar = [  1 ,  2 ,  3 , 'm' ]
>>
>>  p foo.zip(bar)
>>
>>  harp:~ > ruby a.rb
>>  [["a", 1], ["b", 2], ["c", 3], ["n", "m"]]
>
I don't want Ara to fail!

 >> (foo * bar.length).sort.zip(bar * bar.length)
=> [["a", 1], ["a", 2], ["a", 3], ["a", "m"], ["b", 1], ["b", 2], ["b", 
3], ["b", "m"], ["c", 1], ["c", 2], ["c", 3], ["c", "m"], ["n", 1], 
["n", 2], ["n", 3], ["n", "m"]]

_why