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From: Gavin Lambert (boost_at_[hidden])
Date: 2019-08-26 23:19:30

On 27/08/2019 02:05, JH wrote:
> Nope, a function wrapped the pair of expires_at and async_wait for
> absolute time or expires_from_now async_wait for relative time.

Well, the underlying expiration mechanism is the same for both -- in
fact expires_from_now is implemented by calling expires_at internally.

Are you sure you're calculating the correct ptime for expires_at?

It may perhaps help to use expires_from_now(x) to set an expiration and
then call expires_at() to read the absolute expiration time that this
set, and compare it with what you had calculated.

Or conversely to call expires_at(x) and then read the relative time with
expires_from_now() to see if that is as expected.

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