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Use hash_one to simplify some other doctests

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This commit is contained in:
Scott McMurray 2021-06-24 01:30:08 -07:00
parent 63d28192da
commit 579d19bc6a
2 changed files with 6 additions and 16 deletions
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11
library/alloc/src/vec/mod.rs
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@ -2411,18 +2411,13 @@ impl<T: Clone, A: Allocator + Clone> Clone for Vec<T, A> {
/// as required by the `core::borrow::Borrow` implementation.
///
/// ```
/// use std::hash::{BuildHasher, Hash, Hasher};
///
/// fn hash_of(x: impl Hash, b: &impl BuildHasher) -> u64 {
/// let mut h = b.build_hasher();
/// x.hash(&mut h);
/// h.finish()
/// }
/// #![feature(build_hasher_simple_hash_one)]
/// use std::hash::BuildHasher;
///
/// let b = std::collections::hash_map::RandomState::new();
/// let v: Vec<u8> = vec![0xa8, 0x3c, 0x09];
/// let s: &[u8] = &[0xa8, 0x3c, 0x09];
/// assert_eq!(hash_of(v, &b), hash_of(s, &b));
/// assert_eq!(b.hash_one(v), b.hash_one(s));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: Hash, A: Allocator> Hash for Vec<T, A> {

11
library/core/src/array/mod.rs
View File

@ -143,18 +143,13 @@ impl<'a, T, const N: usize> TryFrom<&'a mut [T]> for &'a mut [T; N] {
/// as required by the `Borrow` implementation.
///
/// ```
/// use std::hash::{BuildHasher, Hash, Hasher};
///
/// fn hash_of(x: impl Hash, b: &impl BuildHasher) -> u64 {
/// let mut h = b.build_hasher();
/// x.hash(&mut h);
/// h.finish()
/// }
/// #![feature(build_hasher_simple_hash_one)]
/// use std::hash::BuildHasher;
///
/// let b = std::collections::hash_map::RandomState::new();
/// let a: [u8; 3] = [0xa8, 0x3c, 0x09];
/// let s: &[u8] = &[0xa8, 0x3c, 0x09];
/// assert_eq!(hash_of(a, &b), hash_of(s, &b));
/// assert_eq!(b.hash_one(a), b.hash_one(s));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: Hash, const N: usize> Hash for [T; N] {