[docs] add note about callback lifetime for {on, post}_set_parameter_callback #1981
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Signed-off-by: Brian Chen <brian.chen@openrobotics.org>
fujitatomoya
reviewed
Aug 4, 2022
jacobperron
reviewed
Aug 4, 2022
Signed-off-by: Brian Chen <brian.chen@openrobotics.org>
Signed-off-by: Brian Chen <brian.chen@openrobotics.org>
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I've been burned by ignoring the return value and so has a few others -- adding a note about the lifetime of the registered callback being tied to the returned callback handle further up the documentation should help others avoid making the same mistake.
Signed-off-by: Brian Chen brian.chen@openrobotics.org