[plt-scheme] Time Base

From: Doug Williams (m.douglas.williams at gmail.com)
Date: Tue Dec 15 16:31:35 EST 2009

Thanks, Matthew. I'll release my code as is.

On Tue, Dec 15, 2009 at 2:26 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:

> At Tue, 15 Dec 2009 14:20:25 -0700, Doug Williams wrote:
> > The data/time routines in PLT Scheme have many warning about using the
> > actual values for current-seconds, etc directly and about the base time
> that
> > is used. At least on Windows and Linux (Ubuntu 9.10 in this case),
> > current-inexact-milliseconds seems to return the number of milliseconds
> > since  00:00:00.000 1 Jan 1970. Is this the case for all systems.
> >
> > [...]
> >
> > My implementation is fine (and simple) if the above assumption about
> > current-inexact-milliseconds is correct.
>
> Yes, I believe that assumption should hold. I meant to double-check and
> make that guarantee in the docs years ago, and I'll put that back on my
> list.
>
>
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