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is there a reason why rclcpp_components/register_node_macro.hpp is included at the bottom of the source file vs the top, when writing a composition?

asked 2020-08-05 14:24:12 -0500

asobhy
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is there a reason why rclcpp_components/register_node_macro.hpp is included at the bottom of the source file vs the top, when writing a composition?

The file in the link below shows rclcpp_components/register_node_macro.hpp included at the bottom: https://github.com/ros2/demos/blob/ma...

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answered 2020-08-05 18:09:43 -0500

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It's more convention than anything else. It will still work even if you put it at the top of the file, but putting it at the end means that you see the node implementation first. You could also look at it as saying "I've defined this node, now register it" in a procedural sort of way.

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Asked: 2020-08-05 14:24:12 -0500

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Last updated: Aug 05 '20

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