usecrate::parsers::MessageParser;moddefinitions;pubmodscalar_parser;pubmodsensor_msgs;pubmodstd_msgs;pubmodtf2_msgs;pub(crate)modutil;/// Trait for ROS2 message parsers that can be constructed with just a row count.
pubtraitRos2MessageParser: MessageParser {/// Create a new parser instance.
fnnew(num_rows:usize)->Self;}