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Showing content from https://github.com/rust-lang/rust/issues/130828 below:

Tracking Issue for `option_array_transpose` · Issue #130828 · rust-lang/rust · GitHub

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]>.

// core::option

impl<T, const N: usize> [Option<T>; N] {
    fn transpose(self) -> Option<[T; N]>;
}

• Implementation: Add [Option<T>; N]::transpose #130829
• Final comment period (FCP)¹
• Stabilization PR

• The operation is irreversible (contrary to the other transpose methods), should it be named differently? Add [Option<T>; N]::transpose #130829 (comment)

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

adriandelgado and VojtaStanek

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