From: Rajinder Yadav <devguy.ca@...>
Date: 2009-12-23T00:52:16+09:00
Subject: Re: integers and floats

Robert Klemme wrote:
> 2009/12/22 Florian Gilcher <flo@andersground.net>:
>> On Dec 22, 2009, at 11:03 AM, Paul Smith wrote:
>>
>>> On Tue, Dec 22, 2009 at 2:16 PM, Rajinder Yadav <devguy.ca@gmail.com> wrote:
>>> I have no idea what, if anything, has the object_ids 0, and 2.
>> Pretty easy: false and true.
>>
>> irb(main):001:0> true.object_id
>> => 2
>> irb(main):002:0> false.object_id
>> => 0
> 
> You need to know but there is a way that works without oracle turing machine:
> 
> irb(main):005:0> 10.times {|i| printf "%4d %p\n", i,
> ObjectSpace._id2ref(i) rescue nil}
>    0 false
>    1 0
>    2 true
>    3 1
>    4 nil
>    5 2
>    7 3
>    9 4
> => 10
> 
> :-)
> 
> Kind regards
> 
> robert

Robert thanks for the code snippet, that is so cool =) ... more stuff to 
add to my notes!

-- 
Kind Regards,
Rajinder Yadav

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