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const declaration in ConstPrt msg

asked 2020-03-21 11:03:28 -0500

thanasis_t
45 ●9 ●14 ●18

Hello,

Since ConstPtr is a typedef of boost::shared_ptr<msg const="">, is there any meaning of the const keyword in the argument of a callback, e.g. void callback (const geometry_msgs::Point::ConstPtr msg)?

Thanks in advance

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Asked: 2020-03-21 11:03:28 -0500

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Last updated: Mar 21 '20

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