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Never Type

2 GoKawiil briefs on this topic

Rust 1.100.0 released, stabilizing the never type

The Rust team shipped version 1.100.0, available via `rustup update stable`. The release stabilizes the never type (written `!`), which represents computations that never return a value, and now allows that type to be named anywhere in code rather than only in function return positions.

blog.rust-lang.org · 2026-11-12

Rust compiler stabilizes the never type after two-year effort

Rust contributor 'waffle' landed stabilization of the language's never type (!) on August 24, ending more than two years of work. The change required a small breaking adjustment to earlier Rust editions, so maintainers spent extensive time verifying it wouldn't break existing code in the wild.

lwn.net · 2026-09-09