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Use generic NonZero everywhere in core.

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This commit is contained in:
Markus Reiter
2024-02-18 21:29:24 +01:00
parent 52dba5ffe7
commit 14ed426eec
10 changed files with 81 additions and 84 deletions
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10
library/core/src/array/mod.rs
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@@ -511,7 +511,7 @@ impl<T, const N: usize> [T; N] {
/// # Examples
///
/// ```
/// #![feature(array_try_map)]
/// #![feature(array_try_map, generic_nonzero)]
/// let a = ["1", "2", "3"];
/// let b = a.try_map(|v| v.parse::<u32>()).unwrap().map(|v| v + 1);
/// assert_eq!(b, [2, 3, 4]);
@@ -520,12 +520,12 @@ impl<T, const N: usize> [T; N] {
/// let b = a.try_map(|v| v.parse::<u32>());
/// assert!(b.is_err());
///
/// use std::num::NonZeroU32;
/// use std::num::NonZero;
/// let z = [1, 2, 0, 3, 4];
/// assert_eq!(z.try_map(NonZeroU32::new), None);
/// assert_eq!(z.try_map(NonZero::new), None);
/// let a = [1, 2, 3];
/// let b = a.try_map(NonZeroU32::new);
/// let c = b.map(|x| x.map(NonZeroU32::get));
/// let b = a.try_map(NonZero::new);
/// let c = b.map(|x| x.map(NonZero::get));
/// assert_eq!(c, Some(a));
/// ```
#[unstable(feature = "array_try_map", issue = "79711")]