val read_one : [< Output.Format.machine_readable ] -> Reader.t -> Message.t Reader.Read_result.t Async_kernel.Deferred.tread_one format reader reads a single log message from the reader, advancing the position of the reader to the next log entry.
Reader.Expertval read_one : [< Output.Format.machine_readable ] -> Reader.t -> Message.t Reader.Read_result.t Async_kernel.Deferred.tread_one format reader reads a single log message from the reader, advancing the position of the reader to the next log entry.