Jacob Perron ce5de8757d Warn about unused result of add_on_set_parameters_callback (#1238) (#1244) ... If the user doesn't retain a reference to the returned shared pointer there will be zero references and their callback will be unregistered. Signed-off-by: Jacob Perron <jacob@openrobotics.org>		2020-08-03 12:10:27 -07:00
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rclcpp_lifecycle	Warn about unused result of add_on_set_parameters_callback (#1238) (#1244)	2020-08-03 12:10:27 -07:00