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Remove mention of exhaustive_patterns from never docs

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mejrs 2025-03-31 01:26:55 +02:00
parent 45b40a7596
commit 73d33ed1ba
1 changed files with 3 additions and 5 deletions
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8
library/core/src/primitive_docs.rs
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@ -127,15 +127,13 @@ mod prim_bool {}
/// [`Result<String, !>`] which we can unpack like this:
///
/// ```
/// #![feature(exhaustive_patterns)]
/// use std::str::FromStr;
/// let Ok(s) = String::from_str("hello");
/// ```
///
/// Since the [`Err`] variant contains a `!`, it can never occur. If the `exhaustive_patterns`
/// feature is present this means we can exhaustively match on [`Result<T, !>`] by just taking the
/// [`Ok`] variant. This illustrates another behavior of `!` - it can be used to "delete" certain
/// enum variants from generic types like `Result`.
/// Since the [`Err`] variant contains a `!`, it can never occur. This means we can exhaustively
/// match on [`Result<T, !>`] by just taking the [`Ok`] variant. This illustrates another behavior
/// of `!` - it can be used to "delete" certain enum variants from generic types like `Result`.
///
/// ## Infinite loops
///