[xs_sdk] Simplify conditional statements in the xs_sdk node

Interbotix / interbotix_ros_core

Core ROS Packages for Interbotix Robots

BSD 3-Clause "New" or "Revised" License

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[xs_sdk] Simplify conditional statements in the xs_sdk node #13

Closed lukeschmitt-tr closed 2 years ago

lukeschmitt-tr commented 2 years ago

Simplified many conditional statements that could be reduced to checking returns and evaluating truthy/falsey values like NULL. Changed the troubleshooting URL to point to docs site. Other minor code cleanup.