From: Aaron Patterson <tenderlove@...>
Date: 2013-07-17T01:46:32+09:00
Subject: [ruby-core:56047] Re: [CommonRuby - Feature #8640] Add Time#elapsed to return nanoseconds since creation

Hi Martin,

On Tue, Jul 16, 2013 at 03:24:36PM +0900, duerst (Martin D�rst) wrote:
> 
> Issue #8640 has been updated by duerst (Martin D�rst).
> 
> 
> I think this is a good idea. But since
> duration = Time.now - start
> is in seconds, I'd either keep seconds as units, or make the use of nanoseconds explicit, e.g. like this:
> duration = start.elapsed_nanoseconds

I chose nanoseconds because it can be represented as an integer, so we
don't need to allocate Ruby objects (plus all the other benefits
integers buy us).  So I'd really like to stick with nanoseconds as the
unit.

I'll propose both `elapsed` and `elapsed_nanoseconds` to matz.  :-)

-- 
Aaron Patterson
http://tenderlovemaking.com/