Rename std::ptr::Shared to NonNull
`Shared` is now a deprecated `type` alias. CC https://github.com/rust-lang/rust/issues/27730#issuecomment-352800629
This commit is contained in:
parent
ba5d7a66e8
commit
f19baf0977
@ -25,7 +25,7 @@ use core::intrinsics::abort;
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use core::mem::{self, align_of_val, size_of_val, uninitialized};
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use core::ops::Deref;
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use core::ops::CoerceUnsized;
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use core::ptr::{self, Shared};
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use core::ptr::{self, NonNull};
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use core::marker::{Unsize, PhantomData};
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use core::hash::{Hash, Hasher};
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use core::{isize, usize};
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@ -197,7 +197,7 @@ const MAX_REFCOUNT: usize = (isize::MAX) as usize;
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/// [rc_examples]: ../../std/rc/index.html#examples
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#[stable(feature = "rust1", since = "1.0.0")]
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pub struct Arc<T: ?Sized> {
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ptr: Shared<ArcInner<T>>,
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ptr: NonNull<ArcInner<T>>,
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phantom: PhantomData<T>,
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}
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@ -234,7 +234,7 @@ impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Arc<U>> for Arc<T> {}
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/// [`None`]: ../../std/option/enum.Option.html#variant.None
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#[stable(feature = "arc_weak", since = "1.4.0")]
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pub struct Weak<T: ?Sized> {
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ptr: Shared<ArcInner<T>>,
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ptr: NonNull<ArcInner<T>>,
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}
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#[stable(feature = "arc_weak", since = "1.4.0")]
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@ -286,7 +286,7 @@ impl<T> Arc<T> {
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weak: atomic::AtomicUsize::new(1),
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data,
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};
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Arc { ptr: Shared::from(Box::into_unique(x)), phantom: PhantomData }
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Arc { ptr: NonNull::from(Box::into_unique(x)), phantom: PhantomData }
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}
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/// Returns the contained value, if the `Arc` has exactly one strong reference.
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@ -397,7 +397,7 @@ impl<T: ?Sized> Arc<T> {
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let arc_ptr = set_data_ptr(fake_ptr, (ptr as *mut u8).offset(-offset));
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Arc {
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ptr: Shared::new_unchecked(arc_ptr),
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ptr: NonNull::new_unchecked(arc_ptr),
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phantom: PhantomData,
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}
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}
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@ -582,7 +582,7 @@ impl<T: ?Sized> Arc<T> {
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// Free the allocation without dropping its contents
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box_free(bptr);
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Arc { ptr: Shared::new_unchecked(ptr), phantom: PhantomData }
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Arc { ptr: NonNull::new_unchecked(ptr), phantom: PhantomData }
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}
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}
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}
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@ -609,7 +609,7 @@ impl<T> Arc<[T]> {
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&mut (*ptr).data as *mut [T] as *mut T,
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v.len());
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Arc { ptr: Shared::new_unchecked(ptr), phantom: PhantomData }
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Arc { ptr: NonNull::new_unchecked(ptr), phantom: PhantomData }
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}
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}
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@ -669,7 +669,7 @@ impl<T: Clone> ArcFromSlice<T> for Arc<[T]> {
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// All clear. Forget the guard so it doesn't free the new ArcInner.
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mem::forget(guard);
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Arc { ptr: Shared::new_unchecked(ptr), phantom: PhantomData }
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Arc { ptr: NonNull::new_unchecked(ptr), phantom: PhantomData }
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}
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}
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}
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@ -991,7 +991,7 @@ impl<T> Weak<T> {
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pub fn new() -> Weak<T> {
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unsafe {
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Weak {
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ptr: Shared::from(Box::into_unique(box ArcInner {
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ptr: NonNull::from(Box::into_unique(box ArcInner {
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strong: atomic::AtomicUsize::new(0),
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weak: atomic::AtomicUsize::new(1),
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data: uninitialized(),
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@ -232,7 +232,7 @@ unsafe impl Alloc for Heap {
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///
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/// This preserves the non-null invariant for types like `Box<T>`. The address
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/// may overlap with non-zero-size memory allocations.
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#[rustc_deprecated(since = "1.19", reason = "Use Unique/Shared::empty() instead")]
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#[rustc_deprecated(since = "1.19", reason = "Use Unique/NonNull::empty() instead")]
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#[unstable(feature = "heap_api", issue = "27700")]
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pub const EMPTY: *mut () = 1 as *mut ();
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@ -103,6 +103,7 @@
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#![feature(iter_rfold)]
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#![feature(lang_items)]
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#![feature(needs_allocator)]
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#![feature(nonnull)]
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#![feature(nonzero)]
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#![feature(offset_to)]
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#![feature(optin_builtin_traits)]
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@ -110,7 +111,6 @@
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#![feature(placement_in_syntax)]
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#![feature(placement_new_protocol)]
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#![feature(rustc_attrs)]
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#![feature(shared)]
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#![feature(slice_get_slice)]
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#![feature(slice_patterns)]
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#![feature(slice_rsplit)]
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@ -29,7 +29,7 @@ use core::iter::{FromIterator, FusedIterator};
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use core::marker::PhantomData;
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use core::mem;
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use core::ops::{BoxPlace, InPlace, Place, Placer};
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use core::ptr::{self, Shared};
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use core::ptr::{self, NonNull};
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use boxed::{Box, IntermediateBox};
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use super::SpecExtend;
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@ -44,15 +44,15 @@ use super::SpecExtend;
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/// more memory efficient and make better use of CPU cache.
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#[stable(feature = "rust1", since = "1.0.0")]
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pub struct LinkedList<T> {
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head: Option<Shared<Node<T>>>,
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tail: Option<Shared<Node<T>>>,
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head: Option<NonNull<Node<T>>>,
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tail: Option<NonNull<Node<T>>>,
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len: usize,
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marker: PhantomData<Box<Node<T>>>,
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}
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struct Node<T> {
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next: Option<Shared<Node<T>>>,
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prev: Option<Shared<Node<T>>>,
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next: Option<NonNull<Node<T>>>,
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prev: Option<NonNull<Node<T>>>,
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element: T,
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}
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@ -65,8 +65,8 @@ struct Node<T> {
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/// [`LinkedList`]: struct.LinkedList.html
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#[stable(feature = "rust1", since = "1.0.0")]
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pub struct Iter<'a, T: 'a> {
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head: Option<Shared<Node<T>>>,
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tail: Option<Shared<Node<T>>>,
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head: Option<NonNull<Node<T>>>,
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tail: Option<NonNull<Node<T>>>,
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len: usize,
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marker: PhantomData<&'a Node<T>>,
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}
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@ -98,8 +98,8 @@ impl<'a, T> Clone for Iter<'a, T> {
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#[stable(feature = "rust1", since = "1.0.0")]
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pub struct IterMut<'a, T: 'a> {
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list: &'a mut LinkedList<T>,
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head: Option<Shared<Node<T>>>,
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tail: Option<Shared<Node<T>>>,
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head: Option<NonNull<Node<T>>>,
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tail: Option<NonNull<Node<T>>>,
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len: usize,
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}
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@ -157,7 +157,7 @@ impl<T> LinkedList<T> {
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unsafe {
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node.next = self.head;
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node.prev = None;
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let node = Some(Shared::from(Box::into_unique(node)));
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let node = Some(NonNull::from(Box::into_unique(node)));
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match self.head {
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None => self.tail = node,
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@ -192,7 +192,7 @@ impl<T> LinkedList<T> {
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unsafe {
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node.next = None;
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node.prev = self.tail;
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let node = Some(Shared::from(Box::into_unique(node)));
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let node = Some(NonNull::from(Box::into_unique(node)));
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match self.tail {
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None => self.head = node,
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@ -225,7 +225,7 @@ impl<T> LinkedList<T> {
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///
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/// Warning: this will not check that the provided node belongs to the current list.
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#[inline]
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unsafe fn unlink_node(&mut self, mut node: Shared<Node<T>>) {
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unsafe fn unlink_node(&mut self, mut node: NonNull<Node<T>>) {
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let node = node.as_mut();
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match node.prev {
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@ -986,7 +986,7 @@ impl<'a, T> IterMut<'a, T> {
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Some(prev) => prev,
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};
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let node = Some(Shared::from(Box::into_unique(box Node {
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let node = Some(NonNull::from(Box::into_unique(box Node {
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next: Some(head),
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prev: Some(prev),
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element,
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@ -1038,7 +1038,7 @@ pub struct DrainFilter<'a, T: 'a, F: 'a>
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where F: FnMut(&mut T) -> bool,
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{
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list: &'a mut LinkedList<T>,
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it: Option<Shared<Node<T>>>,
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it: Option<NonNull<Node<T>>>,
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pred: F,
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idx: usize,
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old_len: usize,
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@ -256,7 +256,7 @@ use core::marker::{Unsize, PhantomData};
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use core::mem::{self, align_of_val, forget, size_of_val, uninitialized};
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use core::ops::Deref;
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use core::ops::CoerceUnsized;
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use core::ptr::{self, Shared};
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use core::ptr::{self, NonNull};
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use core::convert::From;
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use heap::{Heap, Alloc, Layout, box_free};
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@ -282,7 +282,7 @@ struct RcBox<T: ?Sized> {
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/// [get_mut]: #method.get_mut
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#[stable(feature = "rust1", since = "1.0.0")]
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pub struct Rc<T: ?Sized> {
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ptr: Shared<RcBox<T>>,
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ptr: NonNull<RcBox<T>>,
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phantom: PhantomData<T>,
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}
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@ -311,7 +311,7 @@ impl<T> Rc<T> {
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// pointers, which ensures that the weak destructor never frees
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// the allocation while the strong destructor is running, even
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// if the weak pointer is stored inside the strong one.
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ptr: Shared::from(Box::into_unique(box RcBox {
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ptr: NonNull::from(Box::into_unique(box RcBox {
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strong: Cell::new(1),
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weak: Cell::new(1),
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value,
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@ -428,7 +428,7 @@ impl<T: ?Sized> Rc<T> {
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let rc_ptr = set_data_ptr(fake_ptr, (ptr as *mut u8).offset(-offset));
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Rc {
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ptr: Shared::new_unchecked(rc_ptr),
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ptr: NonNull::new_unchecked(rc_ptr),
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phantom: PhantomData,
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}
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}
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@ -649,7 +649,7 @@ impl Rc<Any> {
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let raw: *const RcBox<Any> = self.ptr.as_ptr();
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forget(self);
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Ok(Rc {
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ptr: Shared::new_unchecked(raw as *const RcBox<T> as *mut _),
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ptr: NonNull::new_unchecked(raw as *const RcBox<T> as *mut _),
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phantom: PhantomData,
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})
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}
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@ -695,7 +695,7 @@ impl<T: ?Sized> Rc<T> {
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// Free the allocation without dropping its contents
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box_free(bptr);
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Rc { ptr: Shared::new_unchecked(ptr), phantom: PhantomData }
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Rc { ptr: NonNull::new_unchecked(ptr), phantom: PhantomData }
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}
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}
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}
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@ -722,7 +722,7 @@ impl<T> Rc<[T]> {
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&mut (*ptr).value as *mut [T] as *mut T,
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v.len());
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Rc { ptr: Shared::new_unchecked(ptr), phantom: PhantomData }
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Rc { ptr: NonNull::new_unchecked(ptr), phantom: PhantomData }
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}
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}
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@ -781,7 +781,7 @@ impl<T: Clone> RcFromSlice<T> for Rc<[T]> {
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// All clear. Forget the guard so it doesn't free the new RcBox.
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forget(guard);
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Rc { ptr: Shared::new_unchecked(ptr), phantom: PhantomData }
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Rc { ptr: NonNull::new_unchecked(ptr), phantom: PhantomData }
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}
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}
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}
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@ -1160,7 +1160,7 @@ impl<T> From<Vec<T>> for Rc<[T]> {
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/// [`None`]: ../../std/option/enum.Option.html#variant.None
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#[stable(feature = "rc_weak", since = "1.4.0")]
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pub struct Weak<T: ?Sized> {
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ptr: Shared<RcBox<T>>,
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ptr: NonNull<RcBox<T>>,
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}
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#[stable(feature = "rc_weak", since = "1.4.0")]
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@ -1190,7 +1190,7 @@ impl<T> Weak<T> {
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pub fn new() -> Weak<T> {
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unsafe {
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Weak {
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ptr: Shared::from(Box::into_unique(box RcBox {
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ptr: NonNull::from(Box::into_unique(box RcBox {
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strong: Cell::new(0),
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weak: Cell::new(1),
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value: uninitialized(),
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@ -78,7 +78,7 @@ use core::num::Float;
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use core::ops::{InPlace, Index, IndexMut, Place, Placer};
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use core::ops;
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use core::ptr;
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use core::ptr::Shared;
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use core::ptr::NonNull;
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use core::slice;
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use borrow::ToOwned;
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@ -1124,7 +1124,7 @@ impl<T> Vec<T> {
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tail_start: end,
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tail_len: len - end,
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iter: range_slice.iter(),
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vec: Shared::from(self),
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vec: NonNull::from(self),
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}
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}
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}
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@ -1745,7 +1745,7 @@ impl<T> IntoIterator for Vec<T> {
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let cap = self.buf.cap();
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mem::forget(self);
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IntoIter {
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buf: Shared::new_unchecked(begin),
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buf: NonNull::new_unchecked(begin),
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phantom: PhantomData,
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cap,
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ptr: begin,
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@ -2267,7 +2267,7 @@ impl<'a, T> FromIterator<T> for Cow<'a, [T]> where T: Clone {
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/// [`IntoIterator`]: ../../std/iter/trait.IntoIterator.html
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#[stable(feature = "rust1", since = "1.0.0")]
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pub struct IntoIter<T> {
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buf: Shared<T>,
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buf: NonNull<T>,
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phantom: PhantomData<T>,
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cap: usize,
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ptr: *const T,
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@ -2442,7 +2442,7 @@ pub struct Drain<'a, T: 'a> {
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tail_len: usize,
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/// Current remaining range to remove
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iter: slice::Iter<'a, T>,
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vec: Shared<Vec<T>>,
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vec: NonNull<Vec<T>>,
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}
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#[stable(feature = "collection_debug", since = "1.17.0")]
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@ -23,7 +23,7 @@ use core::iter::{repeat, FromIterator, FusedIterator};
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use core::mem;
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use core::ops::{Index, IndexMut, Place, Placer, InPlace};
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use core::ptr;
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use core::ptr::Shared;
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use core::ptr::NonNull;
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use core::slice;
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use core::hash::{Hash, Hasher};
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@ -895,7 +895,7 @@ impl<T> VecDeque<T> {
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self.head = drain_tail;
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Drain {
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deque: Shared::from(&mut *self),
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deque: NonNull::from(&mut *self),
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after_tail: drain_head,
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after_head: head,
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iter: Iter {
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@ -2154,7 +2154,7 @@ pub struct Drain<'a, T: 'a> {
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after_tail: usize,
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after_head: usize,
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iter: Iter<'a, T>,
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deque: Shared<VecDeque<T>>,
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deque: NonNull<VecDeque<T>>,
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}
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#[stable(feature = "collection_debug", since = "1.17.0")]
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@ -2321,7 +2321,7 @@ impl<T: ?Sized> PartialOrd for *mut T {
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/// its owning Unique.
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///
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/// If you're uncertain of whether it's correct to use `Unique` for your purposes,
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/// consider using `Shared`, which has weaker semantics.
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/// consider using `NonNull`, which has weaker semantics.
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///
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/// Unlike `*mut T`, the pointer must always be non-null, even if the pointer
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/// is never dereferenced. This is so that enums may use this forbidden value
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@ -2452,18 +2452,23 @@ impl<'a, T: ?Sized> From<&'a T> for Unique<T> {
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}
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}
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/// Previous name of `NonNull`.
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#[rustc_deprecated(since = "1.24", reason = "renamed to `NonNull`")]
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#[unstable(feature = "shared", issue = "27730")]
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pub type Shared<T> = NonNull<T>;
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/// `*mut T` but non-zero and covariant.
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///
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/// This is often the correct thing to use when building data structures using
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/// raw pointers, but is ultimately more dangerous to use because of its additional
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/// properties. If you're not sure if you should use `Shared<T>`, just use `*mut T`!
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/// properties. If you're not sure if you should use `NonNull<T>`, just use `*mut T`!
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///
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/// Unlike `*mut T`, the pointer must always be non-null, even if the pointer
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/// is never dereferenced. This is so that enums may use this forbidden value
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/// as a discriminant -- `Option<Shared<T>>` has the same size as `Shared<T>`.
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/// as a discriminant -- `Option<NonNull<T>>` has the same size as `NonNull<T>`.
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/// However the pointer may still dangle if it isn't dereferenced.
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///
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/// Unlike `*mut T`, `Shared<T>` is covariant over `T`. If this is incorrect
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/// Unlike `*mut T`, `NonNull<T>` is covariant over `T`. If this is incorrect
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/// for your use case, you should include some PhantomData in your type to
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/// provide invariance, such as `PhantomData<Cell<T>>` or `PhantomData<&'a mut T>`.
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/// Usually this won't be necessary; covariance is correct for most safe abstractions,
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@ -2471,56 +2476,56 @@ impl<'a, T: ?Sized> From<&'a T> for Unique<T> {
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/// provide a public API that follows the normal shared XOR mutable rules of Rust.
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#[unstable(feature = "shared", reason = "needs an RFC to flesh out design",
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issue = "27730")]
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pub struct Shared<T: ?Sized> {
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pub struct NonNull<T: ?Sized> {
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pointer: NonZero<*const T>,
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}
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|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized> fmt::Debug for Shared<T> {
|
||||
impl<T: ?Sized> fmt::Debug for NonNull<T> {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(f, "{:p}", self.as_ptr())
|
||||
}
|
||||
}
|
||||
|
||||
/// `Shared` pointers are not `Send` because the data they reference may be aliased.
|
||||
/// `NonNull` pointers are not `Send` because the data they reference may be aliased.
|
||||
// NB: This impl is unnecessary, but should provide better error messages.
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized> !Send for Shared<T> { }
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: ?Sized> !Send for NonNull<T> { }
|
||||
|
||||
/// `Shared` pointers are not `Sync` because the data they reference may be aliased.
|
||||
/// `NonNull` pointers are not `Sync` because the data they reference may be aliased.
|
||||
// NB: This impl is unnecessary, but should provide better error messages.
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized> !Sync for Shared<T> { }
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: ?Sized> !Sync for NonNull<T> { }
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: Sized> Shared<T> {
|
||||
/// Creates a new `Shared` that is dangling, but well-aligned.
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: Sized> NonNull<T> {
|
||||
/// Creates a new `NonNull` that is dangling, but well-aligned.
|
||||
///
|
||||
/// This is useful for initializing types which lazily allocate, like
|
||||
/// `Vec::new` does.
|
||||
pub fn empty() -> Self {
|
||||
unsafe {
|
||||
let ptr = mem::align_of::<T>() as *mut T;
|
||||
Shared::new_unchecked(ptr)
|
||||
NonNull::new_unchecked(ptr)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized> Shared<T> {
|
||||
/// Creates a new `Shared`.
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: ?Sized> NonNull<T> {
|
||||
/// Creates a new `NonNull`.
|
||||
///
|
||||
/// # Safety
|
||||
///
|
||||
/// `ptr` must be non-null.
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
pub const unsafe fn new_unchecked(ptr: *mut T) -> Self {
|
||||
Shared { pointer: NonZero::new_unchecked(ptr) }
|
||||
NonNull { pointer: NonZero::new_unchecked(ptr) }
|
||||
}
|
||||
|
||||
/// Creates a new `Shared` if `ptr` is non-null.
|
||||
/// Creates a new `NonNull` if `ptr` is non-null.
|
||||
pub fn new(ptr: *mut T) -> Option<Self> {
|
||||
NonZero::new(ptr as *const T).map(|nz| Shared { pointer: nz })
|
||||
NonZero::new(ptr as *const T).map(|nz| NonNull { pointer: nz })
|
||||
}
|
||||
|
||||
/// Acquires the underlying `*mut` pointer.
|
||||
@ -2548,49 +2553,49 @@ impl<T: ?Sized> Shared<T> {
|
||||
|
||||
/// Acquires the underlying pointer as a `*mut` pointer.
|
||||
#[rustc_deprecated(since = "1.19", reason = "renamed to `as_ptr` for ergonomics/consistency")]
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
pub unsafe fn as_mut_ptr(&self) -> *mut T {
|
||||
self.as_ptr()
|
||||
}
|
||||
}
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized> Clone for Shared<T> {
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: ?Sized> Clone for NonNull<T> {
|
||||
fn clone(&self) -> Self {
|
||||
*self
|
||||
}
|
||||
}
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized> Copy for Shared<T> { }
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: ?Sized> Copy for NonNull<T> { }
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized, U: ?Sized> CoerceUnsized<Shared<U>> for Shared<T> where T: Unsize<U> { }
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: ?Sized, U: ?Sized> CoerceUnsized<NonNull<U>> for NonNull<T> where T: Unsize<U> { }
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized> fmt::Pointer for Shared<T> {
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: ?Sized> fmt::Pointer for NonNull<T> {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
fmt::Pointer::fmt(&self.as_ptr(), f)
|
||||
}
|
||||
}
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: ?Sized> From<Unique<T>> for Shared<T> {
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: ?Sized> From<Unique<T>> for NonNull<T> {
|
||||
fn from(unique: Unique<T>) -> Self {
|
||||
Shared { pointer: unique.pointer }
|
||||
NonNull { pointer: unique.pointer }
|
||||
}
|
||||
}
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<'a, T: ?Sized> From<&'a mut T> for Shared<T> {
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<'a, T: ?Sized> From<&'a mut T> for NonNull<T> {
|
||||
fn from(reference: &'a mut T) -> Self {
|
||||
Shared { pointer: NonZero::from(reference) }
|
||||
NonNull { pointer: NonZero::from(reference) }
|
||||
}
|
||||
}
|
||||
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<'a, T: ?Sized> From<&'a T> for Shared<T> {
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<'a, T: ?Sized> From<&'a T> for NonNull<T> {
|
||||
fn from(reference: &'a T) -> Self {
|
||||
Shared { pointer: NonZero::from(reference) }
|
||||
NonNull { pointer: NonZero::from(reference) }
|
||||
}
|
||||
}
|
||||
|
@ -12,7 +12,7 @@
|
||||
|
||||
use std::marker::Unsize;
|
||||
use std::iter::Extend;
|
||||
use std::ptr::{self, drop_in_place, Shared};
|
||||
use std::ptr::{self, drop_in_place, NonNull};
|
||||
use std::ops::{Deref, DerefMut, Range};
|
||||
use std::hash::{Hash, Hasher};
|
||||
use std::slice;
|
||||
@ -146,7 +146,7 @@ impl<A: Array> ArrayVec<A> {
|
||||
tail_start: end,
|
||||
tail_len: len - end,
|
||||
iter: range_slice.iter(),
|
||||
array_vec: Shared::from(self),
|
||||
array_vec: NonNull::from(self),
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -232,7 +232,7 @@ pub struct Drain<'a, A: Array>
|
||||
tail_start: usize,
|
||||
tail_len: usize,
|
||||
iter: slice::Iter<'a, ManuallyDrop<A::Element>>,
|
||||
array_vec: Shared<ArrayVec<A>>,
|
||||
array_vec: NonNull<ArrayVec<A>>,
|
||||
}
|
||||
|
||||
impl<'a, A: Array> Iterator for Drain<'a, A> {
|
||||
|
@ -21,8 +21,8 @@
|
||||
html_root_url = "https://doc.rust-lang.org/nightly/")]
|
||||
#![deny(warnings)]
|
||||
|
||||
#![feature(shared)]
|
||||
#![feature(collections_range)]
|
||||
#![feature(nonnull)]
|
||||
#![feature(nonzero)]
|
||||
#![feature(unboxed_closures)]
|
||||
#![feature(fn_traits)]
|
||||
|
@ -16,7 +16,7 @@ use marker;
|
||||
use mem::{align_of, size_of, needs_drop};
|
||||
use mem;
|
||||
use ops::{Deref, DerefMut};
|
||||
use ptr::{self, Unique, Shared};
|
||||
use ptr::{self, Unique, NonNull};
|
||||
|
||||
use self::BucketState::*;
|
||||
|
||||
@ -873,7 +873,7 @@ impl<K, V> RawTable<K, V> {
|
||||
elems_left,
|
||||
marker: marker::PhantomData,
|
||||
},
|
||||
table: Shared::from(self),
|
||||
table: NonNull::from(self),
|
||||
marker: marker::PhantomData,
|
||||
}
|
||||
}
|
||||
@ -1020,7 +1020,7 @@ impl<K, V> IntoIter<K, V> {
|
||||
|
||||
/// Iterator over the entries in a table, clearing the table.
|
||||
pub struct Drain<'a, K: 'a, V: 'a> {
|
||||
table: Shared<RawTable<K, V>>,
|
||||
table: NonNull<RawTable<K, V>>,
|
||||
iter: RawBuckets<'static, K, V>,
|
||||
marker: marker::PhantomData<&'a RawTable<K, V>>,
|
||||
}
|
||||
|
@ -283,6 +283,7 @@
|
||||
#![feature(macro_vis_matcher)]
|
||||
#![feature(needs_panic_runtime)]
|
||||
#![feature(never_type)]
|
||||
#![feature(nonnull)]
|
||||
#![feature(num_bits_bytes)]
|
||||
#![feature(old_wrapping)]
|
||||
#![feature(on_unimplemented)]
|
||||
@ -297,7 +298,6 @@
|
||||
#![feature(raw)]
|
||||
#![feature(repr_align)]
|
||||
#![feature(rustc_attrs)]
|
||||
#![feature(shared)]
|
||||
#![feature(sip_hash_13)]
|
||||
#![feature(slice_bytes)]
|
||||
#![feature(slice_concat_ext)]
|
||||
|
@ -17,7 +17,7 @@ use cell::UnsafeCell;
|
||||
use fmt;
|
||||
use ops::{Deref, DerefMut};
|
||||
use panicking;
|
||||
use ptr::{Unique, Shared};
|
||||
use ptr::{Unique, NonNull};
|
||||
use rc::Rc;
|
||||
use sync::{Arc, Mutex, RwLock, atomic};
|
||||
use thread::Result;
|
||||
@ -198,8 +198,8 @@ impl<T: RefUnwindSafe + ?Sized> UnwindSafe for *const T {}
|
||||
impl<T: RefUnwindSafe + ?Sized> UnwindSafe for *mut T {}
|
||||
#[unstable(feature = "unique", issue = "27730")]
|
||||
impl<T: UnwindSafe + ?Sized> UnwindSafe for Unique<T> {}
|
||||
#[unstable(feature = "shared", issue = "27730")]
|
||||
impl<T: RefUnwindSafe + ?Sized> UnwindSafe for Shared<T> {}
|
||||
#[unstable(feature = "nonnull", issue = "27730")]
|
||||
impl<T: RefUnwindSafe + ?Sized> UnwindSafe for NonNull<T> {}
|
||||
#[stable(feature = "catch_unwind", since = "1.9.0")]
|
||||
impl<T: ?Sized> UnwindSafe for Mutex<T> {}
|
||||
#[stable(feature = "catch_unwind", since = "1.9.0")]
|
||||
|
Loading…
x
Reference in New Issue
Block a user