On Nov 8, 2009, at 3:32 PM, Nobuyoshi Nakada wrote:

> Hi,
>
> At Sun, 8 Nov 2009 02:12:08 +0900,
> James Edward Gray II wrote in [ruby-core:26594]:
>>> BTW, I think NArray satisfies the conditions; stable enough and
>>> widely used.
>>
>> Hooray!  Can we beg for RBTree too?  :)
>
> Open new tickets for each requests.

Done:

http://redmine.ruby-lang.org/issues/show/2348

James Edward Gray II