[ros-users] How to set the value in an array for a message

[Huo, Zhiyu (MU-Student)]

I have a problem of setting the value of an array in a message. I write a node that used to talk to a LRF and publish the topic of the message type of LaserScan. However, I can not set the value of the array msg.ranges[] in this message. The node break when I trying to give a value to an element of that array.
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