Tracking Issue for option_array_transpose · Issue #130828 · rust-lang/rust (original) (raw)
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; N] { fn transpose(self) -> Option<[T; N]>; }
Steps / History
- Implementation: Add [Option; N]::transpose #130829
- Final comment period (FCP)1
- Stabilization PR
Unresolved Questions
- The operation is irreversible (contrary to the other
transposemethods), should it be named differently? Add [Option; N]::transpose #130829 (comment)