From: John Woods <jqwoods@...>
Date: 2008-02-22T07:36:53+09:00
Subject: Re: Newbie Mem Leak Issue

 >> Array.new(1000000) {str}

Isn't the above still just an array of 1000000 refs to the same string? 
Perhaps you meant str.dup?

For example:

irb> str = "asdf"
irb> puts Array.new(3){str}.collect{|s|s.object_id}
-605717778
-605717778
-605717778
# the above three object_ids are the same
irb> puts Array.new(3){str.dup}.collect{|s|s.object_id}
-605741458
-605741468
-605741478
# the above three object_ids are different





-----Original Message-----
From: Keith Barr
Sent: 02/21/2008 02:16 PM
> Joel VanderWerf wrote:
>> Keith Barr wrote:
>>>     str = "0123456789 0123456789 0123456789 0123456789 0123456789
>>> 0123456789 0123456789 0123456789 0123456789 0123456789 "
>>>     @huge_mem = Array.new(1000000, str)
>> That's an array of 1000000 references to the same string. Did you want
>> lots of strings? This is the way to do that:
>>
>> Array.new(1000000) {str}
>>
>> ------------------------------------------------------------- Array::new
>>       Array.new(size=0, obj=nil)
>>       Array.new(array)
>>       Array.new(size) {|index| block }
> 
> oops, yeah, good catch.