Tracking Issue for core::convert::absurd function

[WaffleLapkin]

Feature gate: #![feature(convert_absurd)]

This is a tracking issue for core::convert::absurd function, which turns ! into any type.

Public API

// core::convert

pub const fn absurd<T>(x: !) -> T;

Steps / History

• Implementation: Add core::convert::absurd #124311
• Final comment period (FCP)¹
• Stabilization PR

Unresolved Questions

• How best to document the function (how to deal with mentions of fallback)?

Footnotes

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

[teor2345]

• How best to document the function (how to deal with mentions of fallback)?

There’s a good explanation here now:
https://github.com/rust-lang/rust/pull/123939/files#r1564909339