Trait std::marker::Unpin 1.33.0[−][src]
pub auto trait Unpin { }Types that can be safely moved after being pinned.
Rust itself has no notion of immovable types, and considers moves (e.g.,
through assignment or mem::replace) to always be safe.
The Pin type is used instead to prevent moves through the type
system. Pointers P<T> wrapped in the Pin<P<T>> wrapper can’t be
moved out of. See the pin module documentation for more information on
pinning.
Implementing the Unpin trait for T lifts the restrictions of pinning off
the type, which then allows moving T out of Pin<P<T>> with
functions such as mem::replace.
Unpin has no consequence at all for non-pinned data. In particular,
mem::replace happily moves !Unpin data (it works for any &mut T, not
just when T: Unpin). However, you cannot use mem::replace on data
wrapped inside a Pin<P<T>> because you cannot get the &mut T you
need for that, and that is what makes this system work.
So this, for example, can only be done on types implementing Unpin:
use std::mem; use std::pin::Pin; let mut string = "this".to_string(); let mut pinned_string = Pin::new(&mut string); // We need a mutable reference to call `mem::replace`. // We can obtain such a reference by (implicitly) invoking `Pin::deref_mut`, // but that is only possible because `String` implements `Unpin`. mem::replace(&mut *pinned_string, "other".to_string());Run
This trait is automatically implemented for almost every type.
Implementations on Foreign Types
impl Unpin for Argument
impl Unpin for Argumentimpl Unpin for FormatSpec
impl Unpin for FormatSpecimpl Unpin for Alignment
impl Unpin for Alignmentimpl Unpin for Count
impl Unpin for CountImplementors
impl !Unpin for PhantomPinned[src]
impl !Unpin for PhantomPinned[src]impl<Dyn> Unpin for DynMetadata<Dyn> where
Dyn: ?Sized, [src]
impl<Dyn> Unpin for DynMetadata<Dyn> where
Dyn: ?Sized, [src]Auto implementors
impl Unpin for BacktraceStatus
impl Unpin for BacktraceStatusimpl Unpin for TryReserveError
impl Unpin for TryReserveErrorimpl Unpin for Infallible
impl Unpin for Infallibleimpl Unpin for Ipv6MulticastScope
impl Unpin for Ipv6MulticastScopeimpl Unpin for std::net::SocketAddr
impl Unpin for std::net::SocketAddrimpl Unpin for FpCategory
impl Unpin for FpCategoryimpl Unpin for IntErrorKind
impl Unpin for IntErrorKindimpl Unpin for AncillaryError
impl Unpin for AncillaryErrorimpl Unpin for SearchStep
impl Unpin for SearchStepimpl Unpin for RecvTimeoutError
impl Unpin for RecvTimeoutErrorimpl Unpin for TryRecvError
impl Unpin for TryRecvErrorimpl Unpin for AllocError
impl Unpin for AllocErrorimpl Unpin for LayoutError
impl Unpin for LayoutErrorimpl Unpin for TryFromSliceError
impl Unpin for TryFromSliceErrorimpl Unpin for std::ascii::EscapeDefault
impl Unpin for std::ascii::EscapeDefaultimpl Unpin for BacktraceFrame
impl Unpin for BacktraceFrameimpl Unpin for BorrowError
impl Unpin for BorrowErrorimpl Unpin for BorrowMutError
impl Unpin for BorrowMutErrorimpl Unpin for CharTryFromError
impl Unpin for CharTryFromErrorimpl Unpin for DecodeUtf16Error
impl Unpin for DecodeUtf16Errorimpl Unpin for std::char::EscapeDebug
impl Unpin for std::char::EscapeDebugimpl Unpin for std::char::EscapeDefault
impl Unpin for std::char::EscapeDefaultimpl Unpin for std::char::EscapeUnicode
impl Unpin for std::char::EscapeUnicodeimpl Unpin for ParseCharError
impl Unpin for ParseCharErrorimpl Unpin for ToLowercase
impl Unpin for ToLowercaseimpl Unpin for ToUppercase
impl Unpin for ToUppercaseimpl Unpin for DefaultHasher
impl Unpin for DefaultHasherimpl Unpin for RandomState
impl Unpin for RandomStateimpl Unpin for JoinPathsError
impl Unpin for JoinPathsErrorimpl Unpin for FromBytesWithNulError
impl Unpin for FromBytesWithNulErrorimpl Unpin for FromVecWithNulError
impl Unpin for FromVecWithNulErrorimpl Unpin for IntoStringError
impl Unpin for IntoStringErrorimpl Unpin for DirBuilder
impl Unpin for DirBuilderimpl Unpin for OpenOptions
impl Unpin for OpenOptionsimpl Unpin for Permissions
impl Unpin for Permissionsimpl Unpin for Initializer
impl Unpin for Initializerimpl Unpin for AddrParseError
impl Unpin for AddrParseErrorimpl Unpin for SocketAddrV4
impl Unpin for SocketAddrV4impl Unpin for SocketAddrV6
impl Unpin for SocketAddrV6impl Unpin for TcpListener
impl Unpin for TcpListenerimpl Unpin for NonZeroI16
impl Unpin for NonZeroI16impl Unpin for NonZeroI32
impl Unpin for NonZeroI32impl Unpin for NonZeroI64
impl Unpin for NonZeroI64impl Unpin for NonZeroI128
impl Unpin for NonZeroI128impl Unpin for NonZeroIsize
impl Unpin for NonZeroIsizeimpl Unpin for NonZeroU16
impl Unpin for NonZeroU16impl Unpin for NonZeroU32
impl Unpin for NonZeroU32impl Unpin for NonZeroU64
impl Unpin for NonZeroU64impl Unpin for NonZeroU128
impl Unpin for NonZeroU128impl Unpin for NonZeroUsize
impl Unpin for NonZeroUsizeimpl Unpin for ParseFloatError
impl Unpin for ParseFloatErrorimpl Unpin for ParseIntError
impl Unpin for ParseIntErrorimpl Unpin for TryFromIntError
impl Unpin for TryFromIntErrorimpl Unpin for std::os::unix::net::SocketAddr
impl Unpin for std::os::unix::net::SocketAddrimpl Unpin for SocketCred
impl Unpin for SocketCredimpl Unpin for UnixDatagram
impl Unpin for UnixDatagramimpl Unpin for UnixListener
impl Unpin for UnixListenerimpl Unpin for UnixStream
impl Unpin for UnixStreamimpl Unpin for StripPrefixError
impl Unpin for StripPrefixErrorimpl Unpin for ChildStderr
impl Unpin for ChildStderrimpl Unpin for ChildStdin
impl Unpin for ChildStdinimpl Unpin for ChildStdout
impl Unpin for ChildStdoutimpl Unpin for ExitStatus
impl Unpin for ExitStatusimpl Unpin for TraitObject
impl Unpin for TraitObjectimpl Unpin for ParseBoolError
impl Unpin for ParseBoolErrorimpl Unpin for FromUtf8Error
impl Unpin for FromUtf8Errorimpl Unpin for FromUtf16Error
impl Unpin for FromUtf16Errorimpl Unpin for AtomicBool
impl Unpin for AtomicBoolimpl Unpin for AtomicIsize
impl Unpin for AtomicIsizeimpl Unpin for AtomicUsize
impl Unpin for AtomicUsizeimpl Unpin for BarrierWaitResult
impl Unpin for BarrierWaitResultimpl Unpin for WaitTimeoutResult
impl Unpin for WaitTimeoutResultimpl Unpin for RawWakerVTable
impl Unpin for RawWakerVTableimpl Unpin for AccessError
impl Unpin for AccessErrorimpl Unpin for SystemTime
impl Unpin for SystemTimeimpl Unpin for SystemTimeError
impl Unpin for SystemTimeErrorimpl<'a> Unpin for AncillaryData<'a>
impl<'a> Unpin for AncillaryData<'a>impl<'a> Unpin for SplitPaths<'a>
impl<'a> Unpin for SplitPaths<'a>impl<'a> Unpin for IoSliceMut<'a>
impl<'a> Unpin for IoSliceMut<'a>impl<'a> Unpin for StderrLock<'a>
impl<'a> Unpin for StderrLock<'a>impl<'a> Unpin for StdoutLock<'a>
impl<'a> Unpin for StdoutLock<'a>impl<'a> Unpin for ScmCredentials<'a>
impl<'a> Unpin for ScmCredentials<'a>impl<'a> Unpin for SocketAncillary<'a>
impl<'a> Unpin for SocketAncillary<'a>impl<'a> Unpin for EncodeWide<'a>
impl<'a> Unpin for EncodeWide<'a>impl<'a> Unpin for Components<'a>
impl<'a> Unpin for Components<'a>impl<'a> Unpin for PrefixComponent<'a>
impl<'a> Unpin for PrefixComponent<'a>impl<'a> Unpin for CommandArgs<'a>
impl<'a> Unpin for CommandArgs<'a>impl<'a> Unpin for CommandEnvs<'a>
impl<'a> Unpin for CommandEnvs<'a>impl<'a> Unpin for CharSearcher<'a>
impl<'a> Unpin for CharSearcher<'a>impl<'a> Unpin for CharIndices<'a>
impl<'a> Unpin for CharIndices<'a>impl<'a> Unpin for EncodeUtf16<'a>
impl<'a> Unpin for EncodeUtf16<'a>impl<'a> Unpin for std::str::EscapeDebug<'a>
impl<'a> Unpin for std::str::EscapeDebug<'a>impl<'a> Unpin for std::str::EscapeDefault<'a>
impl<'a> Unpin for std::str::EscapeDefault<'a>impl<'a> Unpin for std::str::EscapeUnicode<'a>
impl<'a> Unpin for std::str::EscapeUnicode<'a>impl<'a> Unpin for SplitAsciiWhitespace<'a>
impl<'a> Unpin for SplitAsciiWhitespace<'a>impl<'a> Unpin for SplitWhitespace<'a>
impl<'a> Unpin for SplitWhitespace<'a>impl<'a, 'b> Unpin for DebugStruct<'a, 'b> where
'b: 'a,
impl<'a, 'b> Unpin for DebugStruct<'a, 'b> where
'b: 'a, impl<'a, 'b> Unpin for DebugTuple<'a, 'b> where
'b: 'a,
impl<'a, 'b> Unpin for DebugTuple<'a, 'b> where
'b: 'a, impl<'a, 'b> Unpin for CharSliceSearcher<'a, 'b>
impl<'a, 'b> Unpin for CharSliceSearcher<'a, 'b>impl<'a, 'b> Unpin for StrSearcher<'a, 'b>
impl<'a, 'b> Unpin for StrSearcher<'a, 'b>impl<'a, F> Unpin for CharPredicateSearcher<'a, F> where
F: Unpin,
impl<'a, F> Unpin for CharPredicateSearcher<'a, F> where
F: Unpin, impl<'a, K, F> Unpin for std::collections::hash_set::DrainFilter<'a, K, F> where
F: Unpin,
impl<'a, K, F> Unpin for std::collections::hash_set::DrainFilter<'a, K, F> where
F: Unpin, impl<'a, K, V> Unpin for std::collections::btree_map::OccupiedEntry<'a, K, V>
impl<'a, K, V> Unpin for std::collections::btree_map::OccupiedEntry<'a, K, V>impl<'a, K, V> Unpin for std::collections::btree_map::OccupiedError<'a, K, V> where
V: Unpin,
impl<'a, K, V> Unpin for std::collections::btree_map::OccupiedError<'a, K, V> where
V: Unpin, impl<'a, K, V> Unpin for std::collections::btree_map::VacantEntry<'a, K, V> where
K: Unpin,
impl<'a, K, V> Unpin for std::collections::btree_map::VacantEntry<'a, K, V> where
K: Unpin, impl<'a, K, V> Unpin for std::collections::hash_map::OccupiedEntry<'a, K, V> where
K: Unpin,
impl<'a, K, V> Unpin for std::collections::hash_map::OccupiedEntry<'a, K, V> where
K: Unpin, impl<'a, K, V> Unpin for std::collections::hash_map::OccupiedError<'a, K, V> where
K: Unpin,
V: Unpin,
impl<'a, K, V> Unpin for std::collections::hash_map::OccupiedError<'a, K, V> where
K: Unpin,
V: Unpin, impl<'a, K, V> Unpin for std::collections::hash_map::VacantEntry<'a, K, V> where
K: Unpin,
impl<'a, K, V> Unpin for std::collections::hash_map::VacantEntry<'a, K, V> where
K: Unpin, impl<'a, K, V, F> Unpin for std::collections::btree_map::DrainFilter<'a, K, V, F> where
F: Unpin,
impl<'a, K, V, F> Unpin for std::collections::btree_map::DrainFilter<'a, K, V, F> where
F: Unpin, impl<'a, K, V, F> Unpin for std::collections::hash_map::DrainFilter<'a, K, V, F> where
F: Unpin,
impl<'a, K, V, F> Unpin for std::collections::hash_map::DrainFilter<'a, K, V, F> where
F: Unpin, impl<'a, K, V, S> Unpin for RawEntryMut<'a, K, V, S>
impl<'a, K, V, S> Unpin for RawEntryMut<'a, K, V, S>impl<'a, K, V, S> Unpin for RawEntryBuilder<'a, K, V, S>
impl<'a, K, V, S> Unpin for RawEntryBuilder<'a, K, V, S>impl<'a, K, V, S> Unpin for RawEntryBuilderMut<'a, K, V, S>
impl<'a, K, V, S> Unpin for RawEntryBuilderMut<'a, K, V, S>impl<'a, K, V, S> Unpin for RawOccupiedEntryMut<'a, K, V, S>
impl<'a, K, V, S> Unpin for RawOccupiedEntryMut<'a, K, V, S>impl<'a, K, V, S> Unpin for RawVacantEntryMut<'a, K, V, S>
impl<'a, K, V, S> Unpin for RawVacantEntryMut<'a, K, V, S>impl<'a, P> Unpin for MatchIndices<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin,
impl<'a, P> Unpin for MatchIndices<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin, impl<'a, P> Unpin for RMatchIndices<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin,
impl<'a, P> Unpin for RMatchIndices<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin, impl<'a, P> Unpin for RSplitTerminator<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin,
impl<'a, P> Unpin for RSplitTerminator<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin, impl<'a, P> Unpin for SplitInclusive<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin,
impl<'a, P> Unpin for SplitInclusive<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin, impl<'a, P> Unpin for SplitTerminator<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin,
impl<'a, P> Unpin for SplitTerminator<'a, P> where
<P as Pattern<'a>>::Searcher: Unpin, impl<'a, T> Unpin for DrainSorted<'a, T>
impl<'a, T> Unpin for DrainSorted<'a, T>impl<'a, T> Unpin for std::collections::btree_set::Difference<'a, T>
impl<'a, T> Unpin for std::collections::btree_set::Difference<'a, T>impl<'a, T> Unpin for std::collections::btree_set::Intersection<'a, T>
impl<'a, T> Unpin for std::collections::btree_set::Intersection<'a, T>impl<'a, T> Unpin for std::collections::btree_set::SymmetricDifference<'a, T>
impl<'a, T> Unpin for std::collections::btree_set::SymmetricDifference<'a, T>impl<'a, T> Unpin for ChunksExact<'a, T>
impl<'a, T> Unpin for ChunksExact<'a, T>impl<'a, T> Unpin for ChunksExactMut<'a, T>
impl<'a, T> Unpin for ChunksExactMut<'a, T>impl<'a, T> Unpin for RChunksExact<'a, T>
impl<'a, T> Unpin for RChunksExact<'a, T>impl<'a, T> Unpin for RChunksExactMut<'a, T>
impl<'a, T> Unpin for RChunksExactMut<'a, T>impl<'a, T> Unpin for RChunksMut<'a, T>
impl<'a, T> Unpin for RChunksMut<'a, T>impl<'a, T, F> Unpin for std::collections::btree_set::DrainFilter<'a, T, F> where
F: Unpin,
impl<'a, T, F> Unpin for std::collections::btree_set::DrainFilter<'a, T, F> where
F: Unpin, impl<'a, T, F> Unpin for std::collections::linked_list::DrainFilter<'a, T, F> where
F: Unpin,
impl<'a, T, F> Unpin for std::collections::linked_list::DrainFilter<'a, T, F> where
F: Unpin, impl<'a, T, F, A> Unpin for std::vec::DrainFilter<'a, T, F, A> where
F: Unpin,
impl<'a, T, F, A> Unpin for std::vec::DrainFilter<'a, T, F, A> where
F: Unpin, impl<'a, T, P> Unpin for GroupByMut<'a, T, P> where
P: Unpin,
impl<'a, T, P> Unpin for GroupByMut<'a, T, P> where
P: Unpin, impl<'a, T, P> Unpin for RSplitNMut<'a, T, P> where
P: Unpin,
impl<'a, T, P> Unpin for RSplitNMut<'a, T, P> where
P: Unpin, impl<'a, T, S> Unpin for std::collections::hash_set::Difference<'a, T, S>
impl<'a, T, S> Unpin for std::collections::hash_set::Difference<'a, T, S>impl<'a, T, S> Unpin for std::collections::hash_set::Intersection<'a, T, S>
impl<'a, T, S> Unpin for std::collections::hash_set::Intersection<'a, T, S>impl<'a, T, S> Unpin for std::collections::hash_set::SymmetricDifference<'a, T, S>
impl<'a, T, S> Unpin for std::collections::hash_set::SymmetricDifference<'a, T, S>impl<'a, T, const N: usize> Unpin for ArrayChunks<'a, T, N>
impl<'a, T, const N: usize> Unpin for ArrayChunks<'a, T, N>impl<'a, T, const N: usize> Unpin for ArrayChunksMut<'a, T, N>
impl<'a, T, const N: usize> Unpin for ArrayChunksMut<'a, T, N>impl<'a, T, const N: usize> Unpin for ArrayWindows<'a, T, N>
impl<'a, T, const N: usize> Unpin for ArrayWindows<'a, T, N>impl<'a, T: ?Sized> Unpin for MutexGuard<'a, T>
impl<'a, T: ?Sized> Unpin for MutexGuard<'a, T>impl<'a, T: ?Sized> Unpin for RwLockReadGuard<'a, T>
impl<'a, T: ?Sized> Unpin for RwLockReadGuard<'a, T>impl<'a, T: ?Sized> Unpin for RwLockWriteGuard<'a, T>
impl<'a, T: ?Sized> Unpin for RwLockWriteGuard<'a, T>impl<'f> Unpin for VaListImpl<'f>
impl<'f> Unpin for VaListImpl<'f>impl<B, C> Unpin for ControlFlow<B, C> where
B: Unpin,
C: Unpin,
impl<B, C> Unpin for ControlFlow<B, C> where
B: Unpin,
C: Unpin, impl<F> Unpin for RepeatWith<F> where
F: Unpin,
impl<F> Unpin for RepeatWith<F> where
F: Unpin, impl<H> Unpin for BuildHasherDefault<H> where
H: Unpin,
impl<H> Unpin for BuildHasherDefault<H> where
H: Unpin, impl<I> Unpin for DecodeUtf16<I> where
I: Unpin,
impl<I> Unpin for DecodeUtf16<I> where
I: Unpin, impl<I> Unpin for Flatten<I> where
I: Unpin,
<<I as Iterator>::Item as IntoIterator>::IntoIter: Unpin,
impl<I> Unpin for Flatten<I> where
I: Unpin,
<<I as Iterator>::Item as IntoIterator>::IntoIter: Unpin, impl<I, U, F> Unpin for FlatMap<I, U, F> where
F: Unpin,
I: Unpin,
<U as IntoIterator>::IntoIter: Unpin,
impl<I, U, F> Unpin for FlatMap<I, U, F> where
F: Unpin,
I: Unpin,
<U as IntoIterator>::IntoIter: Unpin, impl<Idx> Unpin for RangeInclusive<Idx> where
Idx: Unpin,
impl<Idx> Unpin for RangeInclusive<Idx> where
Idx: Unpin, impl<Idx> Unpin for RangeToInclusive<Idx> where
Idx: Unpin,
impl<Idx> Unpin for RangeToInclusive<Idx> where
Idx: Unpin, impl<K, V> Unpin for std::collections::btree_map::IntoValues<K, V>
impl<K, V> Unpin for std::collections::btree_map::IntoValues<K, V>impl<K, V> Unpin for std::collections::hash_map::IntoValues<K, V> where
K: Unpin,
V: Unpin,
impl<K, V> Unpin for std::collections::hash_map::IntoValues<K, V> where
K: Unpin,
V: Unpin, impl<T> Unpin for TryLockError<T> where
T: Unpin,
impl<T> Unpin for TryLockError<T> where
T: Unpin, impl<T> Unpin for TrySendError<T> where
T: Unpin,
impl<T> Unpin for TrySendError<T> where
T: Unpin, impl<T> Unpin for IntoIterSorted<T> where
T: Unpin,
impl<T> Unpin for IntoIterSorted<T> where
T: Unpin, impl<T> Unpin for BinaryHeap<T> where
T: Unpin,
impl<T> Unpin for BinaryHeap<T> where
T: Unpin, impl<T> Unpin for LinkedList<T>
impl<T> Unpin for LinkedList<T>impl<T> Unpin for SyncOnceCell<T> where
T: Unpin,
impl<T> Unpin for SyncOnceCell<T> where
T: Unpin, impl<T> Unpin for Discriminant<T>
impl<T> Unpin for Discriminant<T>impl<T> Unpin for AssertUnwindSafe<T> where
T: Unpin,
impl<T> Unpin for AssertUnwindSafe<T> where
T: Unpin, impl<T> Unpin for SyncSender<T>
impl<T> Unpin for SyncSender<T>impl<T> Unpin for PoisonError<T> where
T: Unpin,
impl<T> Unpin for PoisonError<T> where
T: Unpin, impl<T> Unpin for JoinHandle<T>
impl<T> Unpin for JoinHandle<T>impl<T> Unpin for MaybeUninit<T> where
T: Unpin,
impl<T> Unpin for MaybeUninit<T> where
T: Unpin, impl<T, F> Unpin for Successors<T, F> where
F: Unpin,
T: Unpin,
impl<T, F> Unpin for Successors<T, F> where
F: Unpin,
T: Unpin, impl<T: ?Sized> Unpin for UnsafeCell<T> where
T: Unpin,
impl<T: ?Sized> Unpin for UnsafeCell<T> where
T: Unpin, impl<T: ?Sized> Unpin for ManuallyDrop<T> where
T: Unpin,
impl<T: ?Sized> Unpin for ManuallyDrop<T> where
T: Unpin, impl<T: ?Sized> Unpin for PhantomData<T> where
T: Unpin,
impl<T: ?Sized> Unpin for PhantomData<T> where
T: Unpin, impl<W> Unpin for IntoInnerError<W> where
W: Unpin,
impl<W> Unpin for IntoInnerError<W> where
W: Unpin, impl<W> Unpin for LineWriter<W> where
W: Unpin,
impl<W> Unpin for LineWriter<W> where
W: Unpin, impl<Y, R> Unpin for GeneratorState<Y, R> where
R: Unpin,
Y: Unpin,
impl<Y, R> Unpin for GeneratorState<Y, R> where
R: Unpin,
Y: Unpin,