Implement `Debug` for async functions
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Description
eg. the following should compile:
async fn foo() {
}
fn main() {
let x = foo();
println!("{:?}", x);
}
The debug implementation should print the file and line number of the suspended async fn. (In this case, the entry to the foo function should be printed).
This would make it much easier to diagnose issues with async code.
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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 reading issue #3068 and the Rust RFC process. No implementation files or tests are named, so first determine how the requested Debug behavior should be specified for async functions, including the file and line output. Done means a sufficiently detailed proposal with clear acceptance cases for implementation.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 25/100