Allow conditional substitutions
Open
Nobody has claimed this yet.
backlog
enhancement
- Dominant language
- Python
- Stars
- 155
- Forks
- 182
- Avg merge
- 2d 14h
- Merged PRs (30d)
- 6
Description
##Feature request
Feature description
Add a conditional to a substitution so that a substitution only takes place if a value was provided. See https://answers.ros.org/question/314903/ros2-optionally-launch-node-with-no-arguments/ for some discussion.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No source file or test is named in the issue. Start with the linked ROS discussion and trace the launch package's substitution entry points; done means a substitution is applied only when its optional value was provided, with the behavior covered by tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100