Failing when macro has `%` in it, e.g. Tracing
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A-macros
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- Rust
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Description
Here's a sample code:
TraceLayer::new_for_http()
.make_span_with(|request: &Request<Body>| {
tracing::info_span!(
"request",
method = %request.method(),
uri = %request.uri(), status = tracing::field::Empty,
latency = tracing::field::Empty,
)
})
this uses a macro from tracing to create the Span. However the % in there makes rustfmt fail.
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Research direction
Reproduce the failure with the provided tracing::info_span! example, focusing on the % field expressions inside the macro. Trace rustfmt's macro-formatting path and add coverage for this input; done means rustfmt formats the sample without failing.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100