roscpp publish int32 1

roscpp publish int32

#include 

std_msgs::Int8 msg;
msg.data = 17;
ROS_INFO("%d", msg.data);
chatter_pub.publish(msg);

Here is what the above code is Doing:
1. We’re creating a message of type std_msgs/Int8.
2. We’re setting the data field of the message to 17.
3. We’re printing the data field of the message to the screen.
4. We’re publishing the message to the chatter topic.

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