suggest unique_ptr for read_msgpack_file buffer, to avoid memory leak e.g. if exception is thrown in msgpack::unpack().  Would a msgpack::fbuffer also work?
suggest unique_ptr for read_msgpack_file buffer, to avoid memory leak e.g. if exception is thrown in msgpack::unpack().  Would a msgpack::fbuffer also work?

CHIMEFRB/ch_frb_io,CHIMEFRB/ch_frb_io,CHIMEFRB/ch_frb_io