Tracking Issue for option_array_transpose (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 transpose methods), should it be named differently? Add [Option; N]::transpose #130829 (comment)

1. https://std-dev-guide.rust-lang.org/feature-lifecycle/stabilization.html ↩