From: KOSAKI Motohiro <kosaki.motohiro@...>
Date: 2013-03-20T11:52:08+09:00
Subject: [ruby-core:53566] Re: [CommonRuby - Feature #8096] introduce Time.current_timestamp

(3/19/13 9:31 PM), headius (Charles Nutter) wrote:
> 
> Issue #8096 has been updated by headius (Charles Nutter).
> 
> 
> naruse (Yui NARUSE) wrote:
>> What class is it?
>> If Float, it introduces extra error.
>> If Rational, I feel Time is better.
> 
> It is a Fixnum:

Fixnum is bad idea because it doesn't have enough bits when using 32bit environment. 
Java's System.nanoTime() always return 64bit value.