tree e2902a86f10e4d332e53d12042fe2471d77bd6f5
parent 09b06c4ecd8d19f178887b30f77ac66847890955
author Ed Tanous <edtanous@google.com> 1663639864 -0700
committer Ed Tanous <edtanous@google.com> 1663688717 -0700

Use optional instead of unique_ptr

In this context, unique_ptr<interface_t> was used to keep a
to-b-initialized-later member variable.  In modern c++, std::optional is
a better fit for this, and a drop in replacement.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I4cfb53e13b6ffa73a48940b56db46de64dbd0bb2