Trait std::marker::Sync

1.0.0 · source ·
pub unsafe auto trait Sync { }
Expand description

Types for which it is safe to share references between threads.

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

The precise definition is: a type T is Sync if and only if &T is Send. In other words, if there is no possibility of undefined behavior (including data races) when passing &T references between threads.

As one would expect, primitive types like u8 and f64 are all Sync, and so are simple aggregate types containing them, like tuples, structs and enums. More examples of basic Sync types include “immutable” types like &T, and those with simple inherited mutability, such as Box<T>, Vec<T> and most other collection types. (Generic parameters need to be Sync for their container to be Sync.)

A somewhat surprising consequence of the definition is that &mut T is Sync (if T is Sync) even though it seems like that might provide unsynchronized mutation. The trick is that a mutable reference behind a shared reference (that is, & &mut T) becomes read-only, as if it were a & &T. Hence there is no risk of a data race.

A shorter overview of how Sync and Send relate to referencing:

  • &T is Send if and only if T is Sync
  • &mut T is Send if and only if T is Send
  • &T and &mut T are Sync if and only if T is Sync

Types that are not Sync are those that have “interior mutability” in a non-thread-safe form, such as Cell and RefCell. These types allow for mutation of their contents even through an immutable, shared reference. For example the set method on Cell<T> takes &self, so it requires only a shared reference &Cell<T>. The method performs no synchronization, thus Cell cannot be Sync.

Another example of a non-Sync type is the reference-counting pointer Rc. Given any reference &Rc<T>, you can clone a new Rc<T>, modifying the reference counts in a non-atomic way.

For cases when one does need thread-safe interior mutability, Rust provides atomic data types, as well as explicit locking via sync::Mutex and sync::RwLock. These types ensure that any mutation cannot cause data races, hence the types are Sync. Likewise, sync::Arc provides a thread-safe analogue of Rc.

Any types with interior mutability must also use the cell::UnsafeCell wrapper around the value(s) which can be mutated through a shared reference. Failing to doing this is undefined behavior. For example, transmute-ing from &T to &mut T is invalid.

See the Nomicon for more details about Sync.

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1.26.0 · source§

impl !Sync for std::env::Args

1.26.0 · source§

impl !Sync for ArgsOs

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impl Sync for LazilyResolvedCapturewhere Capture: Sync,

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impl Sync for std::backtrace_rs::backtrace::dbghelp::Frame

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impl Sync for Repr

1.63.0 · source§

impl Sync for BorrowedHandle<'_>

Available on Windows only.
1.63.0 · source§

impl Sync for HandleOrInvalid

Available on Windows only.
1.63.0 · source§

impl Sync for HandleOrNull

Available on Windows only.
1.63.0 · source§

impl Sync for OwnedHandle

Available on Windows only.
1.6.0 · source§

impl Sync for std::string::Drain<'_>

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impl Sync for AtomicBool

1.34.0 · source§

impl Sync for AtomicI8

1.34.0 · source§

impl Sync for AtomicI16

1.34.0 · source§

impl Sync for AtomicI32

1.34.0 · source§

impl Sync for AtomicI64

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impl Sync for AtomicIsize

1.34.0 · source§

impl Sync for AtomicU8

1.34.0 · source§

impl Sync for AtomicU16

1.34.0 · source§

impl Sync for AtomicU32

1.34.0 · source§

impl Sync for AtomicU64

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impl Sync for AtomicUsize

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impl Sync for FindNextFileHandle

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impl Sync for std::sys::windows::fs::OpenOptions

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impl Sync for std::sys::windows::locks::condvar::Condvar

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impl Sync for std::sys::windows::locks::mutex::Mutex

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impl Sync for std::sys::windows::locks::rwlock::RwLock

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impl Sync for StaticKey

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impl Sync for LookupHost

1.36.0 · source§

impl Sync for std::task::Waker

1.44.0 · source§

impl<'a> Sync for std::io::IoSlice<'a>

1.44.0 · source§

impl<'a> Sync for std::io::IoSliceMut<'a>

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impl<'a, 'b, K, Q, V, S, A> Sync for OccupiedEntryRef<'a, 'b, K, Q, V, S, A>where K: Sync, Q: Sync + ?Sized, V: Sync, S: Sync, A: Sync + Allocator + Clone,

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impl<'scope, T: Sync> Sync for std::thread::Packet<'scope, T>

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impl<Dyn> Sync for DynMetadata<Dyn>where Dyn: ?Sized,

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impl<K, V, A> Sync for RustcOccupiedEntry<'_, K, V, A>where K: Sync, V: Sync, A: Allocator + Clone + Sync,

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impl<K, V, S, A> Sync for hashbrown::map::OccupiedEntry<'_, K, V, S, A>where K: Sync, V: Sync, S: Sync, A: Sync + Allocator + Clone,

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impl<K, V, S, A> Sync for hashbrown::map::RawOccupiedEntryMut<'_, K, V, S, A>where K: Sync, V: Sync, S: Sync, A: Sync + Allocator + Clone,

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impl<T> !Sync for *const Twhere T: ?Sized,

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impl<T> !Sync for *mut Twhere T: ?Sized,

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impl<T> !Sync for Cell<T>where T: ?Sized,

1.70.0 · source§

impl<T> !Sync for OnceCell<T>

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impl<T> !Sync for RefCell<T>where T: ?Sized,

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impl<T> !Sync for UnsafeCell<T>where T: ?Sized,

1.25.0 · source§

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

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

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impl<T> !Sync for Rc<T>where T: ?Sized,

1.4.0 · source§

impl<T> !Sync for std::rc::Weak<T>where T: ?Sized,

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impl<T> !Sync for std::sync::mpsc::Receiver<T>

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

ThinBox<T> is Sync if T is Sync because the data is owned.

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impl<T> Sync for SyncUnsafeCell<T>where T: Sync + ?Sized,

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

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

1.31.0 · source§

impl<T> Sync for ChunksExactMut<'_, T>where T: Sync,

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impl<T> Sync for ChunksMut<'_, T>where T: Sync,

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

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

1.31.0 · source§

impl<T> Sync for RChunksExactMut<'_, T>where T: Sync,

1.31.0 · source§

impl<T> Sync for RChunksMut<'_, T>where T: Sync,

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impl<T> Sync for AtomicPtr<T>

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

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impl<T> Sync for Exclusive<T>where T: ?Sized,

1.4.0 · source§

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

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impl<T> Sync for Key<T>

1.29.0 · source§

impl<T> Sync for JoinHandle<T>

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

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

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

1.6.0 · source§

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

1.6.0 · source§

impl<T, A> Sync for std::vec::Drain<'_, T, A>where T: Sync, A: Sync + Allocator,

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

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impl<T: Send> Sync for std::sync::mpmc::Receiver<T>

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impl<T: Send> Sync for std::sync::mpmc::Sender<T>

1.72.0 · source§

impl<T: Send> Sync for std::sync::mpsc::Sender<T>

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impl<T: Send> Sync for ReentrantMutex<T>

1.70.0 · source§

impl<T: Sync + Send> Sync for OnceLock<T>

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impl<T: Sync + Send, F: Send> Sync for LazyLock<T, F>

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impl<T: ?Sized + Send + Sync> Sync for std::sync::rwlock::RwLock<T>

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impl<T: ?Sized + Send> Sync for std::sync::mutex::Mutex<T>

1.19.0 · source§

impl<T: ?Sized + Sync> Sync for MutexGuard<'_, T>

1.23.0 · source§

impl<T: ?Sized + Sync> Sync for RwLockReadGuard<'_, T>

1.23.0 · source§

impl<T: ?Sized + Sync> Sync for RwLockWriteGuard<'_, T>

Auto implementors§

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impl !Sync for StackFrame

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impl !Sync for Dbghelp

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impl !Sync for Init

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impl !Sync for IMAGEHLP_LINEW64

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impl !Sync for MODULEENTRY32W

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impl !Sync for STACKFRAME64

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impl !Sync for STACKFRAME_EX

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impl !Sync for Vars

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impl !Sync for VarsOs

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impl !Sync for ArrayToken

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impl !Sync for ListToken

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impl !Sync for Token

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impl !Sync for Backoff

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impl !Sync for std::sync::mpmc::waker::Entry

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impl !Sync for SyncWaker

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impl !Sync for std::sync::mpmc::waker::Waker

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impl !Sync for std::sync::mpmc::zero::Inner

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impl !Sync for ZeroToken

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impl !Sync for std::sync::once::OnceState

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impl !Sync for DwarfReader

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impl !Sync for Header

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impl !Sync for EXCEPTION_POINTERS

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impl !Sync for ADDRINFOA

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impl !Sync for EXCEPTION_RECORD

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impl !Sync for IO_STATUS_BLOCK

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impl !Sync for OBJECT_ATTRIBUTES

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impl !Sync for OVERLAPPED

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impl !Sync for PROCESS_INFORMATION

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impl !Sync for RTL_CONDITION_VARIABLE

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impl !Sync for RTL_SRWLOCK

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impl !Sync for SECURITY_ATTRIBUTES

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impl !Sync for STARTUPINFOW

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impl !Sync for SYSTEM_INFO

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impl !Sync for UNICODE_STRING

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impl !Sync for WSABUF

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impl !Sync for WSADATA

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impl !Sync for Module

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impl !Sync for Env

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impl !Sync for std::sys_common::once::queue::OnceState

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impl !Sync for Waiter

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impl !Sync for RawWaker

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impl !Sync for IO_STATUS_BLOCK_0

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impl !Sync for OVERLAPPED_0

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impl !Sync for RTL_RUN_ONCE

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impl Sync for AsciiChar

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impl Sync for BacktraceStatus

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impl Sync for BytesOrWide

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impl Sync for std::backtrace::Inner

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impl Sync for RawFrame

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impl Sync for PrintFmt

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impl Sync for c_void

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impl Sync for std::cmp::Ordering

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impl Sync for TryReserveErrorKind

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impl Sync for Infallible

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impl Sync for VarError

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impl Sync for std::fmt::Alignment

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impl Sync for SeekFrom

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impl Sync for ErrorKind

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impl Sync for IpAddr

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impl Sync for Ipv6MulticastScope

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impl Sync for Shutdown

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impl Sync for std::net::SocketAddr

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impl Sync for FpCategory

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impl Sync for IntErrorKind

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impl Sync for AncillaryError

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impl Sync for BacktraceStyle

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impl Sync for Hook

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impl Sync for std::path::State

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impl Sync for MustAbort

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impl Sync for Which

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impl Sync for SearchStep

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impl Sync for std::sync::atomic::Ordering

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impl Sync for Selected

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impl Sync for RecvTimeoutError

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impl Sync for TryRecvError

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impl Sync for ExclusiveState

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impl Sync for EHAction

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impl Sync for Arg

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impl Sync for Quote

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impl Sync for ReparsePoint

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impl Sync for std::sys::windows::pipe::State

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impl Sync for std::sys::windows::process::Stdio

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impl Sync for bool

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impl Sync for char

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impl Sync for f32

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impl Sync for f64

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impl Sync for i8

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impl Sync for i16

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impl Sync for i32

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impl Sync for i64

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impl Sync for i128

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impl Sync for isize

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impl Sync for str

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impl Sync for u8

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impl Sync for u16

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impl Sync for u32

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impl Sync for u64

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impl Sync for u128

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impl Sync for ()

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impl Sync for usize

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impl Sync for AllocError

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impl Sync for Global

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impl Sync for Layout

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impl Sync for LayoutError

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impl Sync for System

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impl Sync for TypeId

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impl Sync for TryFromSliceError

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impl Sync for std::ascii::EscapeDefault

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impl Sync for Backtrace

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impl Sync for BacktraceFrame

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impl Sync for BacktraceSymbol

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impl Sync for Capture

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impl Sync for MyContext

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impl Sync for std::backtrace_rs::backtrace::Frame

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impl Sync for Bomb

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impl Sync for std::backtrace_rs::symbolize::Symbol

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impl Sync for ADDRESS64

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impl Sync for std::backtrace_rs::windows::CONTEXT

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impl Sync for std::backtrace_rs::windows::FLOATING_SAVE_AREA

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impl Sync for KDHELP64

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impl Sync for std::backtrace_rs::windows::M128A

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impl Sync for SYMBOL_INFOW

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impl Sync for BorrowError

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impl Sync for BorrowMutError

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impl Sync for CharTryFromError

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impl Sync for DecodeUtf16Error

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impl Sync for std::char::EscapeDebug

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impl Sync for std::char::EscapeDefault

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impl Sync for std::char::EscapeUnicode

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impl Sync for ParseCharError

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impl Sync for ToLowercase

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impl Sync for ToUppercase

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impl Sync for TryFromCharError

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impl Sync for DefaultHasher

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impl Sync for RandomState

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impl Sync for TryReserveError

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impl Sync for std::env::JoinPathsError

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impl Sync for Internal

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impl Sync for OsStr

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impl Sync for OsString

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impl Sync for CStr

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impl Sync for CString

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impl Sync for FromBytesWithNulError

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impl Sync for FromVecWithNulError

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impl Sync for IntoStringError

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impl Sync for NulError

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impl Sync for std::fmt::Error

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impl Sync for std::fs::DirBuilder

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impl Sync for std::fs::DirEntry

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impl Sync for std::fs::File

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impl Sync for std::fs::FileTimes

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impl Sync for std::fs::FileType

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impl Sync for Metadata

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impl Sync for std::fs::OpenOptions

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impl Sync for Permissions

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impl Sync for std::fs::ReadDir

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impl Sync for SipHasher

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impl Sync for BasicBlock

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impl Sync for Buffer

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impl Sync for WriterPanicked

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impl Sync for Custom

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impl Sync for std::io::error::Error

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impl Sync for SimpleMessage

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impl Sync for std::io::stdio::Stderr

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impl Sync for StderrRaw

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impl Sync for std::io::stdio::Stdin

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impl Sync for StdinRaw

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impl Sync for std::io::stdio::Stdout

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impl Sync for StdoutRaw

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impl Sync for std::io::util::Empty

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impl Sync for std::io::util::Repeat

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impl Sync for Sink

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impl Sync for Assume

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impl Sync for AddrParseError

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impl Sync for Ipv4Addr

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impl Sync for Ipv6Addr

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impl Sync for SocketAddrV4

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impl Sync for SocketAddrV6

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impl Sync for IntoIncoming

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impl Sync for std::net::tcp::TcpListener

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impl Sync for std::net::tcp::TcpStream

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impl Sync for std::net::udp::UdpSocket

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impl Sync for NonZeroI8

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impl Sync for NonZeroI16

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impl Sync for NonZeroI32

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impl Sync for NonZeroI64

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impl Sync for NonZeroI128

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impl Sync for NonZeroIsize

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impl Sync for NonZeroU8

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impl Sync for NonZeroU16

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impl Sync for NonZeroU32

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impl Sync for NonZeroU64

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impl Sync for NonZeroU128

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impl Sync for NonZeroUsize

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impl Sync for ParseFloatError

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impl Sync for ParseIntError

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impl Sync for TryFromIntError

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impl Sync for RangeFull

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impl Sync for OwnedFd

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impl Sync for FileDesc

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impl Sync for PidFd

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impl Sync for stat

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impl Sync for sockaddr

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impl Sync for sockaddr_un

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impl Sync for std::os::unix::net::addr::SocketAddr

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impl Sync for cmsghdr

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impl Sync for sockcred2

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impl Sync for ucred

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impl Sync for SocketCred

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impl Sync for UnixDatagram

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impl Sync for UnixListener

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impl Sync for UnixStream

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impl Sync for InvalidHandleError

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impl Sync for NullHandleError

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impl Sync for OwnedSocket

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impl Sync for Path

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impl Sync for PathBuf

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impl Sync for StripPrefixError

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impl Sync for Child

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impl Sync for ChildStderr

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impl Sync for ChildStdin

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impl Sync for ChildStdout

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impl Sync for std::process::Command

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impl Sync for std::process::ExitCode

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impl Sync for std::process::ExitStatus

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impl Sync for std::process::ExitStatusError

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impl Sync for Output

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impl Sync for std::process::Stdio

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impl Sync for std::ptr::Alignment

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impl Sync for ParseBoolError

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impl Sync for Utf8Error

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impl Sync for FromUtf8Error

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impl Sync for FromUtf16Error

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impl Sync for String

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impl Sync for Barrier

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impl Sync for BarrierState

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impl Sync for BarrierWaitResult

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impl Sync for std::sync::condvar::Condvar

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impl Sync for WaitTimeoutResult

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impl Sync for std::sync::mpmc::context::Context

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impl Sync for std::sync::mpmc::context::Inner

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impl Sync for Operation

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impl Sync for RecvError

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impl Sync for std::sync::once::Once

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impl Sync for Flag

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impl Sync for std::sync::poison::Guard

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impl Sync for std::sys::windows::args::Args

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impl Sync for MOUNT_POINT_REPARSE_BUFFER

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impl Sync for REPARSE_DATA_BUFFER

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impl Sync for REPARSE_MOUNTPOINT_DATA_BUFFER

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impl Sync for SOCKADDR_STORAGE_LH

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impl Sync for in6_addr

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impl Sync for in_addr

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impl Sync for ip_mreq

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impl Sync for ipv6_mreq

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impl Sync for sockaddr_in6

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impl Sync for sockaddr_in

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impl Sync for ARM64_NT_NEON128_0

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impl Sync for BY_HANDLE_FILE_INFORMATION

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impl Sync for CONSOLE_READCONSOLE_CONTROL

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impl Sync for std::sys::windows::c::windows_sys::CONTEXT

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impl Sync for CONTEXT_0_0

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impl Sync for FD_SET

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impl Sync for FILETIME

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impl Sync for FILE_ATTRIBUTE_TAG_INFO

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impl Sync for FILE_BASIC_INFO

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impl Sync for FILE_DISPOSITION_INFO

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impl Sync for FILE_DISPOSITION_INFO_EX

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impl Sync for FILE_END_OF_FILE_INFO

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impl Sync for FILE_ID_BOTH_DIR_INFO

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impl Sync for FILE_STANDARD_INFO

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impl Sync for std::sys::windows::c::windows_sys::FLOATING_SAVE_AREA

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impl Sync for GUID

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impl Sync for IN6_ADDR

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impl Sync for IN_ADDR

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impl Sync for IN_ADDR_0_0

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impl Sync for IN_ADDR_0_1

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impl Sync for IPV6_MREQ

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impl Sync for IP_MREQ

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impl Sync for LINGER

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impl Sync for std::sys::windows::c::windows_sys::M128A

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impl Sync for OVERLAPPED_0_0

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impl Sync for SOCKADDR

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impl Sync for SYSTEM_INFO_0_0

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impl Sync for TIMEVAL

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impl Sync for WIN32_FIND_DATAW

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impl Sync for WSAPROTOCOLCHAIN

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impl Sync for WSAPROTOCOL_INFOW

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impl Sync for XSAVE_FORMAT

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impl Sync for DirBuff

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impl Sync for std::sys::windows::fs::DirBuilder

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impl Sync for std::sys::windows::fs::DirEntry

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impl Sync for std::sys::windows::fs::File

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impl Sync for FileAttr

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impl Sync for FilePermissions

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impl Sync for std::sys::windows::fs::FileTimes

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impl Sync for std::sys::windows::fs::FileType

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impl Sync for std::sys::windows::fs::ReadDir

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impl Sync for Handle

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impl Sync for Socket

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impl Sync for std::sys::windows::os::JoinPathsError

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impl Sync for Buf

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impl Sync for Slice

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impl Sync for AnonPipe

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impl Sync for Pipes

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impl Sync for std::sys::windows::process::Command

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impl Sync for std::sys::windows::process::ExitCode

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impl Sync for std::sys::windows::process::ExitStatus

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impl Sync for std::sys::windows::process::ExitStatusError

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impl Sync for Process

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impl Sync for StdioPipes

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impl Sync for Handler

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impl Sync for IncompleteUtf8

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impl Sync for std::sys::windows::stdio::Stderr

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impl Sync for std::sys::windows::stdio::Stdin

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impl Sync for std::sys::windows::stdio::Stdout

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impl Sync for std::sys::windows::thread::Thread

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impl Sync for Parker

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impl Sync for PerformanceCounterInstant

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impl Sync for std::sys::windows::time::Instant

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impl Sync for std::sys::windows::time::SystemTime

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impl Sync for std::sys_common::net::TcpListener

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impl Sync for std::sys_common::net::TcpStream

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impl Sync for std::sys_common::net::UdpSocket

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impl Sync for std::sys_common::once::queue::Once

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impl Sync for CommandEnv

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impl Sync for ThreadInfo

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impl Sync for CodePoint

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impl Sync for Wtf8

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impl Sync for Wtf8Buf

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impl Sync for RawWakerVTable

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impl Sync for AccessError

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impl Sync for ScopeData

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impl Sync for Builder

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impl Sync for std::thread::Inner

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impl Sync for PanicGuard

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impl Sync for std::thread::Thread

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impl Sync for ThreadId

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impl Sync for Duration

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impl Sync for std::time::Instant

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impl Sync for std::time::SystemTime

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impl Sync for SystemTimeError

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impl Sync for TryFromFloatSecsError

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impl Sync for PhantomPinned

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impl Sync for ARM64_NT_NEON128

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impl Sync for CONTEXT_0

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impl Sync for IN6_ADDR_0

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impl Sync for IN_ADDR_0

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impl Sync for SYSTEM_INFO_0

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impl Sync for SocketAddrCRepr

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impl<'a> !Sync for ResolveWhat<'a>

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impl<'a> !Sync for Demand<'a>

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impl<'a> !Sync for Arguments<'a>

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impl<'a> !Sync for Formatter<'a>

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impl<'a> !Sync for PanicInfo<'a>

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impl<'a> !Sync for EHContext<'a>

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impl<'a> !Sync for std::sys::windows::io::IoSlice<'a>

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impl<'a> !Sync for std::sys::windows::io::IoSliceMut<'a>

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impl<'a> !Sync for AsyncPipe<'a>

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impl<'a> !Sync for WaiterQueue<'a>

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impl<'a> !Sync for WStrUnits<'a>

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impl<'a> !Sync for std::task::Context<'a>

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impl<'a> Sync for BytesOrWideString<'a>

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impl<'a> Sync for AddressKind<'a>

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impl<'a> Sync for AncillaryData<'a>

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impl<'a> Sync for Component<'a>

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impl<'a> Sync for Prefix<'a>

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impl<'a> Sync for std::backtrace_rs::symbolize::noop::Symbol<'a>

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impl<'a> Sync for OptionCppSymbol<'a>

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impl<'a> Sync for SymbolName<'a>

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impl<'a> Sync for std::env::SplitPaths<'a>

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impl<'a> Sync for BorrowedCursor<'a>

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impl<'a> Sync for StderrLock<'a>

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impl<'a> Sync for StdinLock<'a>

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impl<'a> Sync for StdoutLock<'a>

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impl<'a> Sync for std::io::Guard<'a>

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impl<'a> Sync for std::net::tcp::Incoming<'a>

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impl<'a> Sync for Messages<'a>

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impl<'a> Sync for ScmCredentials<'a>

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impl<'a> Sync for ScmRights<'a>

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impl<'a> Sync for SocketAncillary<'a>

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impl<'a> Sync for std::os::unix::net::listener::Incoming<'a>

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impl<'a> Sync for EncodeWide<'a>

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impl<'a> Sync for Location<'a>

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impl<'a> Sync for Ancestors<'a>

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impl<'a> Sync for Components<'a>

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impl<'a> Sync for Display<'a>

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impl<'a> Sync for std::path::Iter<'a>

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impl<'a> Sync for PrefixComponent<'a>

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impl<'a> Sync for std::process::CommandArgs<'a>

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impl<'a> Sync for CommandEnvs<'a>

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impl<'a> Sync for EscapeAscii<'a>

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impl<'a> Sync for CharSearcher<'a>

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impl<'a> Sync for std::str::Bytes<'a>

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impl<'a> Sync for CharIndices<'a>

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impl<'a> Sync for Chars<'a>

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impl<'a> Sync for EncodeUtf16<'a>

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impl<'a> Sync for std::str::EscapeDebug<'a>

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impl<'a> Sync for std::str::EscapeDefault<'a>

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impl<'a> Sync for std::str::EscapeUnicode<'a>

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impl<'a> Sync for std::str::Lines<'a>

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impl<'a> Sync for LinesAny<'a>

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impl<'a> Sync for SplitAsciiWhitespace<'a>

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impl<'a> Sync for SplitWhitespace<'a>

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impl<'a> Sync for Utf8Chunk<'a>

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impl<'a> Sync for Utf8Chunks<'a>

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impl<'a> Sync for DirBuffIter<'a>

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impl<'a> Sync for std::sys::windows::os::SplitPaths<'a>

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impl<'a> Sync for std::sys::windows::process::CommandArgs<'a>

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impl<'a> Sync for Wtf8CodePoints<'a>

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impl<'a, 'b> !Sync for BacktraceFmt<'a, 'b>

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impl<'a, 'b> !Sync for DebugList<'a, 'b>

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impl<'a, 'b> !Sync for DebugMap<'a, 'b>

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impl<'a, 'b> !Sync for DebugSet<'a, 'b>

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impl<'a, 'b> !Sync for DebugStruct<'a, 'b>

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impl<'a, 'b> !Sync for DebugTuple<'a, 'b>

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impl<'a, 'b> Sync for CharSliceSearcher<'a, 'b>

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impl<'a, 'b> Sync for StrSearcher<'a, 'b>

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impl<'a, 'b> Sync for PrefixParserSlice<'a, 'b>

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

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impl<'a, 'f> !Sync for VaList<'a, 'f>

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

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

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

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impl<'a, D> Sync for Indented<'a, D>where D: Sync,

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impl<'a, F> Sync for CharPredicateSearcher<'a, F>where F: Sync,

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impl<'a, I> Sync for ByRefSized<'a, I>where I: Sync,

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

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impl<'a, K> Sync for std::collections::hash::set::Drain<'a, K>where K: Sync,

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impl<'a, K> Sync for std::collections::hash::set::Iter<'a, K>where K: Sync,

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impl<'a, K, F> Sync for std::collections::hash::set::ExtractIf<'a, K, F>where F: Sync, K: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::Entry<'a, K, V>where K: Sync, V: Sync,

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

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

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

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

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

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

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

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

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impl<'a, K, V> Sync for std::collections::hash::map::Drain<'a, K, V>where K: Sync, V: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::Iter<'a, K, V>where K: Sync, V: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::IterMut<'a, K, V>where K: Sync, V: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::Keys<'a, K, V>where K: Sync, V: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::OccupiedEntry<'a, K, V>where K: Sync, V: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::OccupiedError<'a, K, V>where K: Sync, V: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::VacantEntry<'a, K, V>where K: Sync, V: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::Values<'a, K, V>where K: Sync, V: Sync,

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impl<'a, K, V> Sync for std::collections::hash::map::ValuesMut<'a, K, V>where K: Sync, V: Sync,

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

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

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

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

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

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impl<'a, K, V, F> Sync for std::collections::hash::map::ExtractIf<'a, K, V, F>where F: Sync, K: Sync, V: Sync,

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

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

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

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

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impl<'a, K, V, S> Sync for std::collections::hash::map::RawOccupiedEntryMut<'a, K, V, S>where K: Sync, S: Sync, V: Sync,

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

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

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

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

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

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

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

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

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

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

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

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

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

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impl<'a, T> !Sync for TryIter<'a, T>

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

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

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

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

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

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

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

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impl<'a, T> Sync for AncillaryDataIter<'a, T>where T: Sync,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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impl<'a, T, F, A> Sync for std::vec::ExtractIf<'a, T, F, A>where A: Sync, F: Sync, T: Sync,

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

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

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

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

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

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

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

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

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

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

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

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

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impl<'a, T, S> Sync for std::collections::hash::set::Difference<'a, T, S>where S: Sync, T: Sync,

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impl<'a, T, S> Sync for std::collections::hash::set::Intersection<'a, T, S>where S: Sync, T: Sync,

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impl<'a, T, S> Sync for std::collections::hash::set::SymmetricDifference<'a, T, S>where S: Sync, T: Sync,

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impl<'a, T, S> Sync for std::collections::hash::set::Union<'a, T, S>where S: Sync, T: Sync,

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

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

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

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impl<'a, W: ?Sized> Sync for LineWriterShim<'a, W>where W: Sync,

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impl<'a, const LEN: usize> Sync for PrefixParser<'a, LEN>

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

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impl<'b, T> !Sync for Ref<'b, T>

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impl<'b, T> !Sync for RefMut<'b, T>

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impl<'data> Sync for BorrowedBuf<'data>

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impl<'f> !Sync for VaListImpl<'f>

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impl<'fd> Sync for BorrowedFd<'fd>

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impl<'fmt, 'a, 'b> !Sync for BacktraceFrameFmt<'fmt, 'a, 'b>

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impl<'scope, 'env> Sync for Scope<'scope, 'env>

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

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

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impl<'socket> Sync for BorrowedSocket<'socket>

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impl<A> Sync for std::iter::Repeat<A>where A: Sync,

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impl<A> Sync for std::option::IntoIter<A>where A: Sync,

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

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impl<A, B> Sync for Zip<A, B>where A: Sync, B: Sync,

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impl<B> Sync for std::io::Lines<B>where B: Sync,

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impl<B> Sync for std::io::Split<B>where B: Sync,

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impl<B, C> Sync for ControlFlow<B, C>where B: Sync, C: Sync,

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impl<C> !Sync for std::sync::mpmc::counter::Receiver<C>

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impl<C> !Sync for std::sync::mpmc::counter::Sender<C>

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impl<C> Sync for ErrorData<C>where C: Sync,

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impl<C> Sync for Counter<C>where C: Sync,

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impl<E> Sync for Report<E>where E: Sync,

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impl<F> Sync for PollFn<F>where F: Sync,

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impl<F> Sync for FromFn<F>where F: Sync,

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impl<F> Sync for OnceWith<F>where F: Sync,

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impl<F> Sync for RepeatWith<F>where F: Sync,

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impl<H> Sync for BuildHasherDefault<H>

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impl<I> Sync for FromIter<I>where I: Sync,

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impl<I> Sync for DecodeUtf16<I>where I: Sync,

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impl<I> Sync for Cloned<I>where I: Sync,

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impl<I> Sync for Copied<I>where I: Sync,

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impl<I> Sync for Cycle<I>where I: Sync,

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impl<I> Sync for Enumerate<I>where I: Sync,

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

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impl<I> Sync for Fuse<I>where I: Sync,

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

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

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impl<I> Sync for Skip<I>where I: Sync,

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impl<I> Sync for StepBy<I>where I: Sync,

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impl<I> Sync for std::iter::Take<I>where I: Sync,

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impl<I, F> Sync for FilterMap<I, F>where F: Sync, I: Sync,

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impl<I, F> Sync for Inspect<I, F>where F: Sync, I: Sync,

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impl<I, F> Sync for Map<I, F>where F: Sync, I: Sync,

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

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impl<I, P> Sync for Filter<I, P>where I: Sync, P: Sync,

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impl<I, P> Sync for MapWhile<I, P>where I: Sync, P: Sync,

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impl<I, P> Sync for SkipWhile<I, P>where I: Sync, P: Sync,

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impl<I, P> Sync for TakeWhile<I, P>where I: Sync, P: Sync,

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impl<I, St, F> Sync for Scan<I, St, F>where F: Sync, I: Sync, St: Sync,

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

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

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impl<Idx> Sync for std::ops::Range<Idx>where Idx: Sync,

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impl<Idx> Sync for RangeFrom<Idx>where Idx: Sync,

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impl<Idx> Sync for RangeInclusive<Idx>where Idx: Sync,

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impl<Idx> Sync for RangeTo<Idx>where Idx: Sync,

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impl<Idx> Sync for RangeToInclusive<Idx>where Idx: Sync,

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impl<K> Sync for std::collections::hash::set::IntoIter<K>where K: Sync,

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impl<K, V> Sync for std::collections::hash::map::IntoIter<K, V>where K: Sync, V: Sync,

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impl<K, V> Sync for std::collections::hash::map::IntoKeys<K, V>where K: Sync, V: Sync,

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impl<K, V> Sync for std::collections::hash::map::IntoValues<K, V>where K: Sync, V: Sync,

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

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

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

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impl<K, V, A> Sync for BTreeMap<K, V, A>where A: Sync, K: Sync, V: Sync,

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impl<K, V, S> Sync for HashMap<K, V, S>where K: Sync, S: Sync, V: Sync,

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impl<P> Sync for Pin<P>where P: Sync,

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impl<R> Sync for std::io::Bytes<R>where R: Sync,

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impl<R: ?Sized> Sync for BufReader<R>where R: Sync,

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

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impl<T> !Sync for ReceiverFlavor<T>

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impl<T> !Sync for SenderFlavor<T>

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impl<T> !Sync for UniqueRc<T>

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impl<T> !Sync for std::sync::mpmc::array::Channel<T>

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impl<T> !Sync for std::sync::mpmc::array::Slot<T>

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impl<T> !Sync for Block<T>

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impl<T> !Sync for std::sync::mpmc::list::Channel<T>

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impl<T> !Sync for std::sync::mpmc::list::Slot<T>

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impl<T> !Sync for std::sync::mpmc::zero::Channel<T>

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impl<T> !Sync for std::sync::mpmc::zero::Packet<T>

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impl<T> !Sync for std::sync::mpsc::IntoIter<T>

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impl<T> !Sync for LazyKeyInner<T>

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impl<T> !Sync for Value<T>

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impl<T> Sync for Bound<T>where T: Sync,

§

impl<T> Sync for Option<T>where T: Sync,

§

impl<T> Sync for SendTimeoutError<T>where T: Sync,

§

impl<T> Sync for TrySendError<T>where T: Sync,

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impl<T> Sync for TryLockError<T>where T: Sync,

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impl<T> Sync for Poll<T>where T: Sync,

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impl<T> Sync for [T]where T: Sync,

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

§

impl<T> Sync for Reverse<T>where T: Sync,

§

impl<T> Sync for Pending<T>

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impl<T> Sync for Ready<T>where T: Sync,

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impl<T> Sync for std::io::cursor::Cursor<T>where T: Sync,

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impl<T> Sync for std::io::Take<T>where T: Sync,

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impl<T> Sync for std::iter::Empty<T>

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impl<T> Sync for std::iter::Once<T>where T: Sync,

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impl<T> Sync for Rev<T>where T: Sync,

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impl<T> Sync for Discriminant<T>

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impl<T> Sync for Saturating<T>where T: Sync,

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impl<T> Sync for Wrapping<T>where T: Sync,

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impl<T> Sync for Yeet<T>where T: Sync,

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impl<T> Sync for AssertUnwindSafe<T>where T: Sync,

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impl<T> Sync for std::result::IntoIter<T>where T: Sync,

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impl<T> Sync for Position<T>

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impl<T> Sync for CachePadded<T>where T: Sync,

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impl<T> Sync for SendError<T>where T: Sync,

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impl<T> Sync for SyncSender<T>where T: Send,

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impl<T> Sync for PoisonError<T>where T: Sync,

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impl<T> Sync for Unaligned<T>where T: Sync,

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impl<T> Sync for LazyBox<T>where T: Sync,

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impl<T> Sync for LocalKey<T>

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impl<T> Sync for MaybeUninit<T>where T: Sync,

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

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impl<T, A> Sync for IntoIterSorted<T, A>where A: Sync, T: Sync,

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

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

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impl<T, A> Sync for BTreeSet<T, A>where A: Sync, T: Sync,

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impl<T, A> Sync for BinaryHeap<T, A>where A: Sync, T: Sync,

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impl<T, A> Sync for VecDeque<T, A>where A: Sync, T: Sync,

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

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impl<T, A> Sync for Vec<T, A>where A: Sync, T: Sync,

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impl<T, E> Sync for Result<T, E>where E: Sync, T: Sync,

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impl<T, F = fn() -> T> !Sync for LazyCell<T, F>

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impl<T, F> Sync for Successors<T, F>where F: Sync, T: Sync,

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impl<T, F> Sync for Data<T, F>where F: Sync, T: Sync,

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impl<T, S> Sync for HashSet<T, S>where S: Sync, T: Sync,

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

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

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

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

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

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

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impl<T: ?Sized> Sync for ManuallyDrop<T>where T: Sync,

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impl<T: ?Sized> Sync for Align8<T>where T: Sync,

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impl<T: ?Sized> Sync for PhantomData<T>where T: Sync,

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

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impl<W> Sync for IntoInnerError<W>where W: Sync,

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impl<W: ?Sized> Sync for BufWriter<W>where W: Sync,

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impl<W: ?Sized> Sync for LineWriter<W>where W: Sync,

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impl<Y, R> Sync for GeneratorState<Y, R>where R: Sync, Y: Sync,

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impl<const LANES: usize> Sync for LaneCount<LANES>

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