Berger, Daniel wrote:
>> -----Original Message-----
>> From: Tanaka Akira [mailto:akr / fsij.org] 
>> Sent: Thursday, June 05, 2008 11:38 PM
>> To: ruby-core / ruby-lang.org
>> Subject: [ruby-core:17126] remove ObjectSpace.each_object 
>> from test/unit
>>
>> I wrote a patch to remove ObjectSpace.each_object from test/unit.
>>     
>
> Why?
>   
I assume because using ObjectSpace imposes a significant performance 
penalty in JRuby (and maybe other alternate implementations as well).