? patterns
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Description
I've written a lot of code like this for libraries that use Iterators where the Item is a Result:
for line_r in stdin.lock().lines() {
let line = line_r?;
// do something with line
}
I think it would be awesome if we could just relocate the ? to the pattern, like this:
for line? in stdin.lock().lines() {
// do something with line
}
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Research direction
Start with the two iterator examples in the issue and review its 17-comment discussion. No file, test, or implementation entry point is named in the payload; determine whether the proposed pattern syntax has a settled design and document the resolved direction.
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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