Rust closures – Fn/FnMut/FnOnce traits, capturing and passing parameters

Rust closure: is a type of function that can capture variables in the surrounding scope |Parameters| {Function body} Parameter and return value types can be deduced without displaying annotations. Type uniqueness, cannot be changed once determined When the function body is a single expression, {} can be omitted Article directory introduction 1 Category Fn / […]

rosspin, rosspinOnce and multi-thread subscription

Original address: https://blog.csdn.net/yaked/article/details/50776224 Article directory background 1. customer_callback_processing 2. listenner_multiple_spin 3. listener_threaded_spin 4. listener_async_spin 5. listener_with_userdata 6. timers 6.1 Timers in classes 6.2 Timer brings in additional parameters 7. notify_connect 8. Subscribe and publish at the same time 9. Subscribe to four topic (message_filters) time synchronization at a time Background Because in some point cloud […]