posit-dev / posit-dev/positron
Ark: incorrect diagnostic with assignment in function argument
Open
Nobody has claimed this yet.
area: diagnostics
lang: r
- Dominant language
- TypeScript
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Description
For example, with the code:
list({ apple <- 42 })
apple
I see:
This is not a particularly common code structure, but it is still valid R code.
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
Start by reproducing the shown R snippet in Positron and inspect the diagnostic produced by Ark for the assignment inside the function argument. Done means this valid R code no longer receives the incorrect diagnostic, while the following apple expression remains handled correctly.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- r
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100