rust-lang / rust-lang/rust-analyzer
MBE template parsing fails with `///`
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A-macro
S-unactionable
- Dominant language
- Rust
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Description
macro_rules! features {
{
$(
$name:ident {
///
}
),+
,
} => {};
{} => {}
}
features! {
NEON { },
}
fn main() {}
Adapted from ring.
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 minimal Rust macro_rules! example in the issue, focusing on the /// inside the features! definition. Trace the macro template parsing path and add coverage for this case; done means the example parses without failure and the regression is guarded by a test.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100