Tracking Issue for `option_array_transpose`
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C-tracking-issue
T-libs
- Dominant language
- Rust
- Stars
- 119k
- Forks
- 16.1k
- PR merge metrics
- PR metrics pending
Description
Feature gate: #![feature(option_array_transpose)]
This is a tracking issue for the option_array_transpose.
This feature permits going from an [Option<T>; N] to Option<[T; N]>.
Public API
// core::option
impl<T, const N: usize> [Option<T>; N] {
fn transpose(self) -> Option<[T; N]>;
}
Steps / History
- Implementation: https://github.com/rust-lang/rust/pull/130829
- Final comment period (FCP)^1
- Stabilization PR
Unresolved Questions
- The operation is irreversible (contrary to the other
transposemethods), should it be named differently? https://github.com/rust-lang/rust/pull/130829#issuecomment-2386765701
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 with implementation PR #130829 and the stabilization guidance linked in the issue. Review the unresolved naming question and the completed implementation, then determine the remaining final comment period and stabilization steps. Done means the API decision is resolved and a stabilization PR has completed.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- backend
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100