Add read_only parameter metadata #35
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Signed-off-by: William Woodall <william@osrfoundation.org>
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jacobperron
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Apr 19, 2019
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WIP until there is code in rclcpp supporting this. Adds a boolean indicating if a parameter is allowed to change after it has been initialized. The default is
true. Iffalsethen the parameter can be set via yaml passed to the node, but it's value may not be changed for the life of the node.connects to ros2/rclcpp#495