tree 22d39150c5c025a82146b2bd8ed731cae0a5e80d
parent 2f6affd1fdfe52c747a7e0917ab11ccdfa3866a8
author William A. Kennington III <wak@google.com> 1712871781 -0700
committer William A. Kennington III <wak@google.com> 1712872422 -0700

str/buf: Add append operator for fmtlib

New versions of fmtlib peer behind the back inserter iterator to do a
raw append operation to the buffer. We need to support the specific call
they expect.

Change-Id: Ia9bc4b08087f786fbcb0c9ee342457c3fcb07590
Signed-off-by: William A. Kennington III <wak@google.com>