Add rcl_publisher_get_subscription_count related methods #75
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There is a similar construct implemented in waiting for a service to be available, which also does not emit any events. I poll those in spin() and complete the respective "wait for" future when they become available. This way we don't need to depend on futures-timer. |
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Ok thanks will revise soon |
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@m-dahl Could you take a look now? |
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Looks good now! |
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Feel free to remove
wait_for_inter_process_subscribersin particular ..