Aired in the Ship Log episode of 2026-09-14. This page is the public record for the story: every fact the show was allowed to assert, with its verbatim source sentence — and every reply and correction, unedited.
| Claim | Source sentence (verbatim) | Source |
|---|---|---|
| Rust's "never" type is denoted by an exclamation mark ("!"). | “Rust's "never" type, which is denoted by an exclamation mark ("!"), is the type the language uses to mark a function that never returns and other places where a value can never occur.” | Lobsters |
| On August 24, Rust-compiler-contributor "waffle" stabilized the never type after more than two years of work. | “On August 24, after more than two years of work, Rust-compiler-contributor "waffle" finally managed to stabilize the type.” | Lobsters |
| The stabilization took so long partly because it involved a small breaking change to previous Rust editions. | “It took so long, in part, because it involved a small breaking change to previous Rust editions, which the compiler maintainers needed to ensure did not impact much real code.” | Lobsters |
| The never type automatically coerces to any other type. | “In particular, the never type has a useful property for simplifying code: it automatically coerces to any other type.” | Lobsters |
| Prior to the 2024 edition of Rust, the fallback type for ambiguous type inference was () , the unit type. | “Prior to the 2024 edition of Rust, that fallback type was () (the unit type, which has exactly one possible value).” | Lobsters |
| In Rust's 2024 edition, the fallback type was changed to ! itself. | “In the 2024 edition, the fallback type was changed to ! itself, essentially canceling out the implicit conversion.” | Lobsters |
| The Rust standard library has had an Infallible type for many years to work around the unstable nature of the never type. | “For many years, the standard library has had an Infallible type to work around the unstable nature of the never type.” | Lobsters |
| The LWN article on stabilizing Rust's never type was written by Daroc Alden and dated September 8, 2026. | “By Daroc AldenSeptember 8, 2026” | Lobsters |
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