Epoch time + msecs

[Steven Schveighoffer via Digitalmars-d-learn]

On 11/13/15 1:00 PM, Handyman wrote:
> How to get current time as a float (or a double or a real) as a Unix
> epoch + milliseconds (e.g, 1447437383.465, or even 1447437383.46512 with
> finer resolution)?   I read http://dlang.org/intro-to-datetime.html and
> the docs of course. I came this far
>
>     auto ct = Clock.currTime();
>     auto milliseconds = ct.fracSec.msecs;
>     auto epoch = ct.toUnixTime();

The toUnixTime call is going to truncate all the subseconds off.

What I would do is this:

auto t = (Clock.currTime() - SysTime.fromUnixTime(0)).total!"msecs" / 1000.0

Which is essentially what toUnixTime would do (but the fromUnixTime(0) 
is a constant internally).

-Steve