From: sto.mar@...
Date: 2013-02-25T00:48:34+09:00
Subject: Re: How should I print only the last combination when using Array#combination(n) ?

Am 24.02.2013 16:42, schrieb Love U Ruby:
> Hans Mackowiak wrote in post #1098791:
>
>
> The below tips I am looking for. Thanks @Hans :)
>
>> with block:
>> a.combination(2).find {|x,y| x == 2 } #=> [2, 3]
>>
>> with block and index:
>> a.combination(2).find.with_index {|(x,y),i| i == 2 } #=> [2, 3]


    a.combination(2).to_a[2]  # => [2, 3]

Why do you insist on using the block version when you already
know the index?


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