# Trait std::marker::Send

1.0.0 · source ·

    pub unsafe auto trait Send { }

Expand description

Types that can be transferred across thread boundaries.

This trait is automatically implemented when the compiler determines it’s appropriate.

An example of a non-`Send` type is the reference-counting pointer `rc::Rc`. If two threads attempt to clone `Rc`s that point to the same reference-counted value, they might try to update the reference count at the same time, which is undefined behavior because `Rc` doesn’t use atomic operations. Its cousin `sync::Arc` does use atomic operations (incurring some overhead) and thus is `Send`.

See the Nomicon and the `Sync` trait for more details.

## Implementors§

1.26.0 · source§

### impl !Send for Args

1.26.0 · source§

### impl !Send for ArgsOs

1.63.0 · source§

### impl Send for BorrowedHandle<'_>

Available on Windows only.
1.63.0 · source§

### impl Send for HandleOrInvalid

Available on Windows only.
1.63.0 · source§

### impl Send for HandleOrNull

Available on Windows only.
1.63.0 · source§

### impl Send for OwnedHandle

Available on Windows only.
1.6.0 · source§

### impl Send for std::string::Drain<'_>

1.36.0 · source§

### impl Send for Waker

1.44.0 · source§

### impl<'a> Send for IoSlice<'a>

1.44.0 · source§

### impl<'a> Send for IoSliceMut<'a>

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### impl<Dyn> Send for DynMetadata<Dyn>where Dyn: ?Sized,

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### impl<T> !Send for *const T where T: ?Sized,

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### impl<T> !Send for *mut T where T: ?Sized,

1.25.0 · source§

### impl<T> !Send for NonNull<T>where T: ?Sized,

`NonNull` pointers are not `Send` because the data they reference may be aliased.

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### impl<T> Send for &T where T: Sync + ?Sized,

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### impl<T> Send for ThinBox<T>where T: Send + ?Sized,

`ThinBox<T>` is `Send` if `T` is `Send` because the data is owned.

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### impl<T> Send for Cell<T>where T: Send + ?Sized,

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### impl<T> Send for RefCell<T>where T: Send + ?Sized,

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### impl<T> Send for std::collections::linked_list::Iter<'_, T>where T: Sync,

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### impl<T> Send for std::collections::linked_list::IterMut<'_, T>where T: Send,

1.31.0 · source§

### impl<T> Send for ChunksExactMut<'_, T>where T: Send,

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### impl<T> Send for ChunksMut<'_, T>where T: Send,

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### impl<T> Send for std::slice::Iter<'_, T>where T: Sync,

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### impl<T> Send for std::slice::IterMut<'_, T>where T: Send,

1.31.0 · source§

### impl<T> Send for RChunksExactMut<'_, T>where T: Send,

1.31.0 · source§

### impl<T> Send for RChunksMut<'_, T>where T: Send,

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### impl<T> Send for AtomicPtr<T>

1.29.0 · source§

### impl<T> Send for JoinHandle<T>

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### impl<T, A> !Send for Rc<T, A>where A: Allocator, T: ?Sized,

1.4.0 · source§

### impl<T, A> !Send for std::rc::Weak<T, A>where A: Allocator, T: ?Sized,

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### impl<T, A> Send for std::collections::linked_list::Cursor<'_, T, A>where T: Sync, A: Allocator + Sync,

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### impl<T, A> Send for std::collections::linked_list::CursorMut<'_, T, A>where T: Send, A: Allocator + Send,

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### impl<T, A> Send for LinkedList<T, A>where T: Send, A: Allocator + Send,

1.6.0 · source§

### impl<T, A> Send for std::collections::vec_deque::Drain<'_, T, A>where T: Send, A: Allocator + Send,

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### impl<T, A> Send for Arc<T, A>where T: Sync + Send + ?Sized, A: Allocator + Send,

1.4.0 · source§

### impl<T, A> Send for std::sync::Weak<T, A>where T: Sync + Send + ?Sized, A: Allocator + Send,

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### impl<T, A> Send for std::vec::IntoIter<T, A>where T: Send, A: Allocator + Send,

1.6.0 · source§

### impl<T, A, FH> Send for std::vec::Drain<'_, T, A, FH>where T: Send, A: Send + Allocator, FH: FailureHandling,

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### impl<T: Send> Send for Receiver<T>

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### impl<T: Send> Send for Sender<T>

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### impl<T: Send> Send for SyncSender<T>

1.70.0 · source§

### impl<T: Send> Send for OnceLock<T>

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### impl<T: ?Sized + Send> Send for Mutex<T>

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### impl<T: ?Sized + Send> Send for RwLock<T>

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### impl<T: ?Sized> !Send for MutexGuard<'_, T>

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### impl<T: ?Sized> !Send for RwLockReadGuard<'_, T>

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### impl<T: ?Sized> !Send for RwLockWriteGuard<'_, T>

## Auto implementors§

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### impl !Send for Vars

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### impl !Send for VarsOs

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### impl !Send for RawWaker

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### impl Send for AsciiChar

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### impl Send for BacktraceStatus

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### impl Send for std::cmp::Ordering

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### impl Send for TryReserveErrorKind

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### impl Send for Infallible

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### impl Send for VarError

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### impl Send for c_void

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### impl Send for std::fmt::Alignment

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### impl Send for ErrorKind

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### impl Send for SeekFrom

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### impl Send for IpAddr

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### impl Send for Ipv6MulticastScope

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### impl Send for Shutdown

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### impl Send for std::net::SocketAddr

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### impl Send for FpCategory

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### impl Send for IntErrorKind

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### impl Send for AncillaryError

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### impl Send for BacktraceStyle

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### impl Send for Which

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### impl Send for SearchStep

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### impl Send for std::sync::atomic::Ordering

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### impl Send for RecvTimeoutError

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### impl Send for TryRecvError

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### impl Send for bool

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### impl Send for char

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### impl Send for f32

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### impl Send for f64

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### impl Send for i8

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### impl Send for i16

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### impl Send for i32

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### impl Send for i64

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### impl Send for i128

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### impl Send for isize

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### impl Send for str

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### impl Send for u8

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### impl Send for u16

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### impl Send for u32

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### impl Send for u64

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### impl Send for u128

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### impl Send for ()

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### impl Send for usize

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### impl Send for Fallible

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### impl Send for Fatal

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### impl Send for AllocError

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### impl Send for Global

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### impl Send for Layout

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### impl Send for LayoutError

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### impl Send for System

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### impl Send for TypeId

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### impl Send for TryFromSliceError

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### impl Send for std::ascii::EscapeDefault

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### impl Send for Backtrace

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### impl Send for BacktraceFrame

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### impl Send for BorrowError

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### impl Send for BorrowMutError

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### impl Send for CharTryFromError

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### impl Send for DecodeUtf16Error

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### impl Send for std::char::EscapeDebug

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### impl Send for std::char::EscapeDefault

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### impl Send for std::char::EscapeUnicode

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### impl Send for ParseCharError

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### impl Send for ToLowercase

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### impl Send for ToUppercase

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### impl Send for TryFromCharError

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### impl Send for DefaultHasher

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### impl Send for RandomState

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### impl Send for TryReserveError

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### impl Send for JoinPathsError

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### impl Send for CStr

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### impl Send for CString

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### impl Send for FromBytesUntilNulError

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### impl Send for FromBytesWithNulError

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### impl Send for FromVecWithNulError

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### impl Send for IntoStringError

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### impl Send for NulError

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### impl Send for OsStr

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### impl Send for OsString

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### impl Send for std::fmt::Error

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### impl Send for DirBuilder

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### impl Send for DirEntry

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### impl Send for File

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### impl Send for FileTimes

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### impl Send for FileType

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### impl Send for Metadata

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### impl Send for OpenOptions

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### impl Send for Permissions

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### impl Send for ReadDir

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### impl Send for SipHasher

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### impl Send for BasicBlock

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### impl Send for std::io::Empty

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### impl Send for std::io::Error

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### impl Send for std::io::Repeat

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### impl Send for Sink

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### impl Send for Stderr

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### impl Send for Stdin

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### impl Send for Stdout

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### impl Send for WriterPanicked

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### impl Send for Assume

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### impl Send for AddrParseError

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### impl Send for IntoIncoming

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### impl Send for Ipv4Addr

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### impl Send for Ipv6Addr

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### impl Send for SocketAddrV4

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### impl Send for SocketAddrV6

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### impl Send for TcpListener

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### impl Send for TcpStream

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### impl Send for UdpSocket

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### impl Send for NonZeroI8

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### impl Send for NonZeroI16

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### impl Send for NonZeroI32

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### impl Send for NonZeroI64

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### impl Send for NonZeroI128

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### impl Send for NonZeroIsize

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### impl Send for NonZeroU8

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### impl Send for NonZeroU16

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### impl Send for NonZeroU32

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### impl Send for NonZeroU64

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### impl Send for NonZeroU128

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### impl Send for NonZeroUsize

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### impl Send for ParseFloatError

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### impl Send for ParseIntError

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### impl Send for TryFromIntError

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### impl Send for RangeFull

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### impl Send for OwnedFd

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### impl Send for PidFd

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### impl Send for stat

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### impl Send for std::os::unix::net::SocketAddr

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### impl Send for SocketCred

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### impl Send for UnixDatagram

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### impl Send for UnixListener

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### impl Send for UnixStream

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### impl Send for UCred

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### impl Send for InvalidHandleError

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### impl Send for NullHandleError

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### impl Send for OwnedSocket

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### impl Send for Path

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### impl Send for PathBuf

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### impl Send for StripPrefixError

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### impl Send for Child

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### impl Send for ChildStderr

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### impl Send for ChildStdin

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### impl Send for ChildStdout

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### impl Send for Command

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### impl Send for ExitCode

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### impl Send for ExitStatus

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### impl Send for ExitStatusError

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### impl Send for Output

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### impl Send for Stdio

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### impl Send for std::ptr::Alignment

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### impl Send for ParseBoolError

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### impl Send for Utf8Error

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### impl Send for FromUtf8Error

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### impl Send for FromUtf16Error

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### impl Send for String

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### impl Send for AtomicBool

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### impl Send for AtomicI8

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### impl Send for AtomicI16

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### impl Send for AtomicI32

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### impl Send for AtomicI64

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### impl Send for AtomicIsize

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### impl Send for AtomicU8

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### impl Send for AtomicU16

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### impl Send for AtomicU32

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### impl Send for AtomicU64

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### impl Send for AtomicUsize

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### impl Send for RecvError

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### impl Send for Barrier

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### impl Send for BarrierWaitResult

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### impl Send for Condvar

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### impl Send for std::sync::Once

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### impl Send for OnceState

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### impl Send for WaitTimeoutResult

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### impl Send for RawWakerVTable

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### impl Send for AccessError

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### impl Send for Builder

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### impl Send for Thread

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### impl Send for ThreadId

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### impl Send for Duration

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### impl Send for Instant

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### impl Send for SystemTime

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### impl Send for SystemTimeError

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### impl Send for TryFromFloatSecsError

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### impl Send for PhantomPinned

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### impl<'a> !Send for Request<'a>

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### impl<'a> !Send for Arguments<'a>

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### impl<'a> !Send for Formatter<'a>

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### impl<'a> !Send for StderrLock<'a>

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### impl<'a> !Send for StdinLock<'a>

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### impl<'a> !Send for StdoutLock<'a>

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### impl<'a> !Send for PanicInfo<'a>

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### impl<'a> !Send for Context<'a>

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### impl<'a> Send for AncillaryData<'a>

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### impl<'a> Send for Component<'a>

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### impl<'a> Send for Prefix<'a>

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### impl<'a> Send for SplitPaths<'a>

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### impl<'a> Send for BorrowedCursor<'a>

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### impl<'a> Send for std::net::Incoming<'a>

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### impl<'a> Send for std::os::unix::net::Incoming<'a>

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### impl<'a> Send for Messages<'a>

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### impl<'a> Send for ScmCredentials<'a>

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### impl<'a> Send for ScmRights<'a>

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### impl<'a> Send for SocketAncillary<'a>

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### impl<'a> Send for EncodeWide<'a>

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### impl<'a> Send for Location<'a>

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### impl<'a> Send for Ancestors<'a>

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### impl<'a> Send for Components<'a>

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### impl<'a> Send for Display<'a>

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### impl<'a> Send for std::path::Iter<'a>

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### impl<'a> Send for PrefixComponent<'a>

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### impl<'a> Send for CommandArgs<'a>

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### impl<'a> Send for CommandEnvs<'a>

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### impl<'a> Send for EscapeAscii<'a>

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### impl<'a> Send for CharSearcher<'a>

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### impl<'a> Send for std::str::Bytes<'a>

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### impl<'a> Send for CharIndices<'a>

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### impl<'a> Send for Chars<'a>

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### impl<'a> Send for EncodeUtf16<'a>

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### impl<'a> Send for std::str::EscapeDebug<'a>

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### impl<'a> Send for std::str::EscapeDefault<'a>

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### impl<'a> Send for std::str::EscapeUnicode<'a>

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### impl<'a> Send for std::str::Lines<'a>

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### impl<'a> Send for LinesAny<'a>

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### impl<'a> Send for SplitAsciiWhitespace<'a>

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### impl<'a> Send for SplitWhitespace<'a>

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### impl<'a> Send for Utf8Chunk<'a>

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### impl<'a> Send for Utf8Chunks<'a>

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### impl<'a, 'b> !Send for DebugList<'a, 'b>

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### impl<'a, 'b> !Send for DebugMap<'a, 'b>

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### impl<'a, 'b> !Send for DebugSet<'a, 'b>

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### impl<'a, 'b> !Send for DebugStruct<'a, 'b>

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### impl<'a, 'b> !Send for DebugTuple<'a, 'b>

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### impl<'a, 'b> Send for CharSliceSearcher<'a, 'b>

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### impl<'a, 'b> Send for StrSearcher<'a, 'b>

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### impl<'a, 'b, const N: usize> Send for CharArrayRefSearcher<'a, 'b, N>

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### impl<'a, 'f> !Send for VaList<'a, 'f>

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### impl<'a, A> Send for std::option::Iter<'a, A>where A: Sync,

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### impl<'a, A> Send for std::option::IterMut<'a, A>where A: Send,

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### impl<'a, B: ?Sized> Send for Cow<'a, B>where B: Sync, <B as ToOwned>::Owned: Send,

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### impl<'a, F> Send for CharPredicateSearcher<'a, F>where F: Send,

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### impl<'a, I> Send for ByRefSized<'a, I>where I: Send,

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### impl<'a, I, A> Send for Splice<'a, I, A>where A: Send, I: Send, <I as Iterator>::Item: Send,

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### impl<'a, K> Send for std::collections::hash_set::Drain<'a, K>where K: Send,

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### impl<'a, K> Send for std::collections::hash_set::Iter<'a, K>where K: Sync,

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### impl<'a, K, F> Send for std::collections::hash_set::ExtractIf<'a, K, F>where F: Send, K: Send,

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### impl<'a, K, V> Send for std::collections::hash_map::Entry<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::btree_map::Cursor<'a, K, V>where K: Sync, V: Sync,

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### impl<'a, K, V> Send for std::collections::btree_map::Iter<'a, K, V>where K: Sync, V: Sync,

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### impl<'a, K, V> Send for std::collections::btree_map::IterMut<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::btree_map::Keys<'a, K, V>where K: Sync, V: Sync,

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### impl<'a, K, V> Send for std::collections::btree_map::Range<'a, K, V>where K: Sync, V: Sync,

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### impl<'a, K, V> Send for RangeMut<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::btree_map::Values<'a, K, V>where K: Sync, V: Sync,

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### impl<'a, K, V> Send for std::collections::btree_map::ValuesMut<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::hash_map::Drain<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::hash_map::Iter<'a, K, V>where K: Sync, V: Sync,

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### impl<'a, K, V> Send for std::collections::hash_map::IterMut<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::hash_map::Keys<'a, K, V>where K: Sync, V: Sync,

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### impl<'a, K, V> Send for std::collections::hash_map::OccupiedEntry<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::hash_map::OccupiedError<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::hash_map::VacantEntry<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V> Send for std::collections::hash_map::Values<'a, K, V>where K: Sync, V: Sync,

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### impl<'a, K, V> Send for std::collections::hash_map::ValuesMut<'a, K, V>where K: Send, V: Send,

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### impl<'a, K, V, A> Send for std::collections::btree_map::Entry<'a, K, V, A>where A: Send, K: Send, V: Send,

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### impl<'a, K, V, A> Send for std::collections::btree_map::CursorMut<'a, K, V, A>where A: Send, K: Send, V: Send,

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### impl<'a, K, V, A> Send for std::collections::btree_map::OccupiedEntry<'a, K, V, A>where A: Send, K: Send, V: Send,

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### impl<'a, K, V, A> Send for std::collections::btree_map::OccupiedError<'a, K, V, A>where A: Send, K: Send, V: Send,

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### impl<'a, K, V, A> Send for std::collections::btree_map::VacantEntry<'a, K, V, A>where A: Send, K: Send, V: Send,

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### impl<'a, K, V, F> Send for std::collections::hash_map::ExtractIf<'a, K, V, F>where F: Send, K: Send, V: Send,

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### impl<'a, K, V, F, A> Send for std::collections::btree_map::ExtractIf<'a, K, V, F, A>where A: Send, F: Send, K: Send, V: Send,

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### impl<'a, K, V, S> Send for RawEntryMut<'a, K, V, S>where K: Send, S: Send + Sync, V: Send,

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### impl<'a, K, V, S> Send for RawEntryBuilder<'a, K, V, S>where K: Sync, S: Sync, V: Sync,

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### impl<'a, K, V, S> Send for RawEntryBuilderMut<'a, K, V, S>where K: Send, S: Send, V: Send,

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### impl<'a, K, V, S> Send for RawOccupiedEntryMut<'a, K, V, S>where K: Send, S: Send, V: Send,

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### impl<'a, K, V, S> Send for RawVacantEntryMut<'a, K, V, S>where K: Send, S: Sync, V: Send,

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### impl<'a, P> Send for MatchIndices<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for Matches<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for RMatchIndices<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for RMatches<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for std::str::RSplit<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for std::str::RSplitN<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for RSplitTerminator<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for std::str::Split<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for std::str::SplitInclusive<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for std::str::SplitN<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, P> Send for SplitTerminator<'a, P>where <P as Pattern<'a>>::Searcher: Send,

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### impl<'a, T> !Send for std::sync::mpsc::Iter<'a, T>

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### impl<'a, T> !Send for TryIter<'a, T>

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### impl<'a, T> Send for std::collections::binary_heap::Iter<'a, T>where T: Sync,

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### impl<'a, T> Send for std::collections::btree_set::Iter<'a, T>where T: Sync,

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### impl<'a, T> Send for std::collections::btree_set::Range<'a, T>where T: Sync,

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### impl<'a, T> Send for std::collections::btree_set::SymmetricDifference<'a, T>where T: Sync,

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### impl<'a, T> Send for std::collections::btree_set::Union<'a, T>where T: Sync,

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### impl<'a, T> Send for std::collections::vec_deque::Iter<'a, T>where T: Sync,

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### impl<'a, T> Send for std::collections::vec_deque::IterMut<'a, T>where T: Send,

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### impl<'a, T> Send for std::result::Iter<'a, T>where T: Sync,

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### impl<'a, T> Send for std::result::IterMut<'a, T>where T: Send,

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### impl<'a, T> Send for Chunks<'a, T>where T: Sync,

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### impl<'a, T> Send for ChunksExact<'a, T>where T: Sync,

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### impl<'a, T> Send for RChunks<'a, T>where T: Sync,

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### impl<'a, T> Send for RChunksExact<'a, T>where T: Sync,

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### impl<'a, T> Send for Windows<'a, T>where T: Sync,

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### impl<'a, T, A> Send for std::collections::binary_heap::Drain<'a, T, A>where A: Send, T: Send,

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### impl<'a, T, A> Send for DrainSorted<'a, T, A>where A: Send, T: Send,

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### impl<'a, T, A> Send for PeekMut<'a, T, A>where A: Send, T: Send,

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### impl<'a, T, A> Send for std::collections::btree_set::Difference<'a, T, A>where A: Sync, T: Sync,

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### impl<'a, T, A> Send for std::collections::btree_set::Intersection<'a, T, A>where A: Sync, T: Sync,

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### impl<'a, T, F, A = Global> !Send for std::collections::linked_list::ExtractIf<'a, T, F, A>

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### impl<'a, T, F, A> Send for std::collections::btree_set::ExtractIf<'a, T, F, A>where A: Send, F: Send, T: Send,

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### impl<'a, T, F, A, FH> Send for std::vec::ExtractIf<'a, T, F, A, FH>where A: Send, F: Send, T: Send,

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### impl<'a, T, P> Send for GroupBy<'a, T, P>where P: Send, T: Sync,

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### impl<'a, T, P> Send for GroupByMut<'a, T, P>where P: Send, T: Send,

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### impl<'a, T, P> Send for std::slice::RSplit<'a, T, P>where P: Send, T: Sync,

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### impl<'a, T, P> Send for RSplitMut<'a, T, P>where P: Send, T: Send,

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### impl<'a, T, P> Send for std::slice::RSplitN<'a, T, P>where P: Send, T: Sync,

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### impl<'a, T, P> Send for RSplitNMut<'a, T, P>where P: Send, T: Send,

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### impl<'a, T, P> Send for std::slice::Split<'a, T, P>where P: Send, T: Sync,

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### impl<'a, T, P> Send for std::slice::SplitInclusive<'a, T, P>where P: Send, T: Sync,

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### impl<'a, T, P> Send for SplitInclusiveMut<'a, T, P>where P: Send, T: Send,

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### impl<'a, T, P> Send for SplitMut<'a, T, P>where P: Send, T: Send,

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### impl<'a, T, P> Send for std::slice::SplitN<'a, T, P>where P: Send, T: Sync,

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### impl<'a, T, P> Send for SplitNMut<'a, T, P>where P: Send, T: Send,

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### impl<'a, T, S> Send for std::collections::hash_set::Difference<'a, T, S>where S: Sync, T: Sync,

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### impl<'a, T, S> Send for std::collections::hash_set::Intersection<'a, T, S>where S: Sync, T: Sync,

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### impl<'a, T, S> Send for std::collections::hash_set::SymmetricDifference<'a, T, S>where S: Sync, T: Sync,

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### impl<'a, T, S> Send for std::collections::hash_set::Union<'a, T, S>where S: Sync, T: Sync,

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### impl<'a, T, const N: usize> !Send for ArrayWindows<'a, T, N>

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### impl<'a, T, const N: usize> Send for std::slice::ArrayChunks<'a, T, N>where T: Sync,

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### impl<'a, T, const N: usize> Send for ArrayChunksMut<'a, T, N>where T: Send,

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### impl<'a, const N: usize> Send for CharArraySearcher<'a, N>

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### impl<'b, T> !Send for Ref<'b, T>

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### impl<'b, T> !Send for RefMut<'b, T>

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### impl<'data> Send for BorrowedBuf<'data>

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### impl<'f> !Send for VaListImpl<'f>

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### impl<'fd> Send for BorrowedFd<'fd>

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### impl<'scope, 'env> Send for Scope<'scope, 'env>

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### impl<'scope, T> Send for ScopedJoinHandle<'scope, T>where T: Send + Sync,

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### impl<'socket> Send for BorrowedSocket<'socket>

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### impl<A> Send for std::iter::Repeat<A>where A: Send,

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### impl<A> Send for std::option::IntoIter<A>where A: Send,

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### impl<A, B> Send for std::iter::Chain<A, B>where A: Send, B: Send,

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### impl<A, B> Send for Zip<A, B>where A: Send, B: Send,

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### impl<B> Send for std::io::Lines<B>where B: Send,

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### impl<B> Send for std::io::Split<B>where B: Send,

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### impl<B, C> Send for ControlFlow<B, C>where B: Send, C: Send,

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### impl<E> Send for Report<E>where E: Send,

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### impl<F> Send for PollFn<F>where F: Send,

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### impl<F> Send for FromFn<F>where F: Send,

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### impl<F> Send for OnceWith<F>where F: Send,

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### impl<F> Send for RepeatWith<F>where F: Send,

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### impl<H> Send for BuildHasherDefault<H>

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### impl<I> Send for FromIter<I>where I: Send,

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### impl<I> Send for DecodeUtf16<I>where I: Send,

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### impl<I> Send for Cloned<I>where I: Send,

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### impl<I> Send for Copied<I>where I: Send,

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### impl<I> Send for Cycle<I>where I: Send,

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### impl<I> Send for Enumerate<I>where I: Send,

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### impl<I> Send for Flatten<I>where I: Send, <<I as Iterator>::Item as IntoIterator>::IntoIter: Send,

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### impl<I> Send for Fuse<I>where I: Send,

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### impl<I> Send for Intersperse<I>where I: Send, <I as Iterator>::Item: Send,

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### impl<I> Send for Peekable<I>where I: Send, <I as Iterator>::Item: Send,

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### impl<I> Send for Skip<I>where I: Send,

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### impl<I> Send for StepBy<I>where I: Send,

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### impl<I> Send for std::iter::Take<I>where I: Send,

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### impl<I, F> Send for FilterMap<I, F>where F: Send, I: Send,

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### impl<I, F> Send for Inspect<I, F>where F: Send, I: Send,

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### impl<I, F> Send for Map<I, F>where F: Send, I: Send,

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### impl<I, F, const N: usize> Send for MapWindows<I, F, N>where F: Send, I: Send, <I as Iterator>::Item: Send,

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### impl<I, G> Send for IntersperseWith<I, G>where G: Send, I: Send, <I as Iterator>::Item: Send,

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### impl<I, P> Send for Filter<I, P>where I: Send, P: Send,

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### impl<I, P> Send for MapWhile<I, P>where I: Send, P: Send,

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### impl<I, P> Send for SkipWhile<I, P>where I: Send, P: Send,

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### impl<I, P> Send for TakeWhile<I, P>where I: Send, P: Send,

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### impl<I, St, F> Send for Scan<I, St, F>where F: Send, I: Send, St: Send,

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### impl<I, U, F> Send for FlatMap<I, U, F>where F: Send, I: Send, <U as IntoIterator>::IntoIter: Send,

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### impl<I, const N: usize> Send for std::iter::ArrayChunks<I, N>where I: Send, <I as Iterator>::Item: Send,

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### impl<Idx> Send for std::ops::Range<Idx>where Idx: Send,

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### impl<Idx> Send for RangeFrom<Idx>where Idx: Send,

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### impl<Idx> Send for RangeInclusive<Idx>where Idx: Send,

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### impl<Idx> Send for RangeTo<Idx>where Idx: Send,

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### impl<Idx> Send for RangeToInclusive<Idx>where Idx: Send,

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### impl<K> Send for std::collections::hash_set::IntoIter<K>where K: Send,

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### impl<K, V> Send for std::collections::hash_map::IntoIter<K, V>where K: Send, V: Send,

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### impl<K, V> Send for std::collections::hash_map::IntoKeys<K, V>where K: Send, V: Send,

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### impl<K, V> Send for std::collections::hash_map::IntoValues<K, V>where K: Send, V: Send,

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### impl<K, V, A> Send for std::collections::btree_map::IntoIter<K, V, A>where A: Send, K: Send, V: Send,

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### impl<K, V, A> Send for std::collections::btree_map::IntoKeys<K, V, A>where A: Send, K: Send, V: Send,

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### impl<K, V, A> Send for std::collections::btree_map::IntoValues<K, V, A>where A: Send, K: Send, V: Send,

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### impl<K, V, A> Send for BTreeMap<K, V, A>where A: Send, K: Send, V: Send,

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### impl<K, V, S> Send for HashMap<K, V, S>where K: Send, S: Send, V: Send,

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### impl<P> Send for Pin<P>where P: Send,

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### impl<R> Send for std::io::Bytes<R>where R: Send,

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### impl<R: ?Sized> Send for BufReader<R>where R: Send,

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### impl<Ret, T> Send for fn (T₁, T₂, …, Tₙ) -> Ret

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### impl<T> !Send for UniqueRc<T>

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### impl<T> Send for Bound<T>where T: Send,

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### impl<T> Send for Option<T>where T: Send,

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### impl<T> Send for TryLockError<T>where T: Send,

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### impl<T> Send for TrySendError<T>where T: Send,

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### impl<T> Send for Poll<T>where T: Send,

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### impl<T> Send for [T]where T: Send,

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### impl<T> Send for (T₁, T₂, …, Tₙ)where T: Send,

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### impl<T> Send for OnceCell<T>where T: Send,

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### impl<T> Send for Reverse<T>where T: Send,

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### impl<T> Send for Pending<T>

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### impl<T> Send for Ready<T>where T: Send,

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### impl<T> Send for std::io::Cursor<T>where T: Send,

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### impl<T> Send for std::io::Take<T>where T: Send,

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### impl<T> Send for std::iter::Empty<T>

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### impl<T> Send for std::iter::Once<T>where T: Send,

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### impl<T> Send for Rev<T>where T: Send,

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### impl<T> Send for Discriminant<T>

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### impl<T> Send for Saturating<T>where T: Send,

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### impl<T> Send for Wrapping<T>where T: Send,

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### impl<T> Send for Yeet<T>where T: Send,

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### impl<T> Send for AssertUnwindSafe<T>where T: Send,

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### impl<T> Send for std::result::IntoIter<T>where T: Send,

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### impl<T> Send for std::sync::mpsc::IntoIter<T>where T: Send,

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### impl<T> Send for SendError<T>where T: Send,

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### impl<T> Send for PoisonError<T>where T: Send,

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### impl<T> Send for LocalKey<T>

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### impl<T> Send for MaybeUninit<T>where T: Send,

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### impl<T, A> Send for std::collections::binary_heap::IntoIter<T, A>where A: Send, T: Send,

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### impl<T, A> Send for IntoIterSorted<T, A>where A: Send, T: Send,

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### impl<T, A> Send for std::collections::btree_set::IntoIter<T, A>where A: Send, T: Send,

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### impl<T, A> Send for std::collections::linked_list::IntoIter<T, A>where A: Send, T: Send,

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### impl<T, A> Send for BTreeSet<T, A>where A: Send, T: Send,

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### impl<T, A> Send for BinaryHeap<T, A>where A: Send, T: Send,

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### impl<T, A> Send for VecDeque<T, A>where A: Send, T: Send,

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### impl<T, A> Send for std::collections::vec_deque::IntoIter<T, A>where A: Send, T: Send,

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### impl<T, E> Send for Result<T, E>where E: Send, T: Send,

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### impl<T, F> Send for LazyCell<T, F>where F: Send, T: Send,

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### impl<T, F> Send for Successors<T, F>where F: Send, T: Send,

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### impl<T, F> Send for LazyLock<T, F>where F: Send, T: Send,

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### impl<T, S> Send for HashSet<T, S>where S: Send, T: Send,

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### impl<T, U> Send for std::io::Chain<T, U>where T: Send, U: Send,

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### impl<T, const LANES: usize> Send for Mask<T, LANES>where T: Send,

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### impl<T, const N: usize> Send for [T; N]where T: Send,

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### impl<T, const N: usize> Send for std::array::IntoIter<T, N>where T: Send,

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### impl<T, const N: usize> Send for Simd<T, N>where T: Send,

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### impl<T, const N: usize> Send for [MaybeUninit<T>; N]where T: Send,

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### impl<T: ?Sized> Send for SyncUnsafeCell<T>where T: Send,

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### impl<T: ?Sized> Send for UnsafeCell<T>where T: Send,

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### impl<T: ?Sized> Send for ManuallyDrop<T>where T: Send,

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### impl<T: ?Sized> Send for Exclusive<T>where T: Send,

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### impl<T: ?Sized> Send for PhantomData<T>where T: Send,

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### impl<T: ?Sized, A> Send for Box<T, A>where A: Send, T: Send,

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### impl<W> Send for IntoInnerError<W>where W: Send,

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### impl<W: ?Sized> Send for BufWriter<W>where W: Send,

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### impl<W: ?Sized> Send for LineWriter<W>where W: Send,

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### impl<Y, R> Send for CoroutineState<Y, R>where R: Send, Y: Send,

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### impl<const LANES: usize> Send for LaneCount<LANES>

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### impl<const N: usize> Send for [u8; N]