diff options
Diffstat (limited to '')
| -rw-r--r-- | library/core/src/slice/iter.rs | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/library/core/src/slice/iter.rs b/library/core/src/slice/iter.rs index 062289767..90ab43d12 100644 --- a/library/core/src/slice/iter.rs +++ b/library/core/src/slice/iter.rs @@ -6,7 +6,7 @@ mod macros; use crate::cmp; use crate::cmp::Ordering; use crate::fmt; -use crate::intrinsics::{assume, exact_div, unchecked_sub}; +use crate::intrinsics::assume; use crate::iter::{FusedIterator, TrustedLen, TrustedRandomAccess, TrustedRandomAccessNoCoerce}; use crate::marker::{PhantomData, Send, Sized, Sync}; use crate::mem::{self, SizedTypeProperties}; @@ -35,12 +35,6 @@ impl<'a, T> IntoIterator for &'a mut [T] { } } -// Macro helper functions -#[inline(always)] -fn size_from_ptr<T>(_: *const T) -> usize { - mem::size_of::<T>() -} - /// Immutable slice iterator /// /// This struct is created by the [`iter`] method on [slices]. @@ -65,7 +59,7 @@ fn size_from_ptr<T>(_: *const T) -> usize { #[must_use = "iterators are lazy and do nothing unless consumed"] pub struct Iter<'a, T: 'a> { ptr: NonNull<T>, - end: *const T, // If T is a ZST, this is actually ptr+len. This encoding is picked so that + end: *const T, // If T is a ZST, this is actually ptr+len. This encoding is picked so that // ptr == end is a quick test for the Iterator being empty, that works // for both ZST and non-ZST. _marker: PhantomData<&'a T>, @@ -186,7 +180,7 @@ impl<T> AsRef<[T]> for Iter<'_, T> { #[must_use = "iterators are lazy and do nothing unless consumed"] pub struct IterMut<'a, T: 'a> { ptr: NonNull<T>, - end: *mut T, // If T is a ZST, this is actually ptr+len. This encoding is picked so that + end: *mut T, // If T is a ZST, this is actually ptr+len. This encoding is picked so that // ptr == end is a quick test for the Iterator being empty, that works // for both ZST and non-ZST. _marker: PhantomData<&'a mut T>, |