From: "David A. Black" <dblack@...>
Date: 2008-07-16T22:43:45+09:00
Subject: Re: Array.drop doesn't work

Hi --

On Wed, 16 Jul 2008, Frederick Cheung wrote:

>
> On 15 Jul 2008, at 16:46, Li Chen wrote:
>
>> Hi all,
>> 
>> I try to use #drop to remove several elements from an array but it
>> doesn't work.
>> I check "ri Array.drop" and get no info about #drop. But I see this info
>> described in http://www.ruby-doc.org/core/classes/Array.html#M000343
>> 
>> 
>> ary.drop(n) => array
>> 
>> Drops first n elements from ary, and returns rest elements in an array.
>>
>>  a = [1, 2, 3, 4, 5, 0]
>>  a.drop(3)             # => [4, 5, 0]
>> 
>> 
>> 
> Seems like this was added in 1.8.7 (if you look at the docs for 1.8.6 you'll 
> see it's not there)

It's a backport from 1.9. I think that's mostly what 1.8.7 is. It's
really kind of 1.9.prev, rather than 1.8.6.succ :-) (though of course
it doesn't have YARV, etc.)


David

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