Trait gstd::prelude::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.

Implementors§

1.26.0 · source§

impl !Sync for Args

1.26.0 · source§

impl !Sync for ArgsOs

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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

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impl Sync for AtomicU32

1.34.0 · source§

impl Sync for AtomicU64

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impl Sync for AtomicUsize

1.6.0 · source§

impl Sync for gstd::prelude::string::Drain<'_>

1.36.0 · source§

impl Sync for Waker

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impl Sync for AtomicWaker

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impl Sync for Bytes

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impl Sync for BytesMut

1.44.0 · source§

impl<'a> Sync for IoSlice<'a>

1.44.0 · source§

impl<'a> Sync for 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,

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

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impl<'a, T, const CAP: usize> Sync for arrayvec::arrayvec::Drain<'a, T, CAP>
where T: Sync,

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

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impl<Fut> Sync for FuturesUnordered<Fut>
where Fut: Send + Sync,

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impl<Fut> Sync for IntoIter<Fut>
where Fut: Sync + Unpin,

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impl<Fut> Sync for IterPinMut<'_, Fut>
where Fut: Sync,

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impl<Fut> Sync for IterPinRef<'_, Fut>
where Fut: Sync,

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impl<K, V, S, A> Sync for gstd::prelude::collections::hash_map::OccupiedEntry<'_, K, V, S, A>
where K: Sync, V: Sync, S: Sync, A: Sync + Allocator,

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

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impl<M, T, O> Sync for BitRef<'_, M, T, O>
where M: Mutability, T: BitStore + Sync, O: BitOrder,

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

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impl<T> !Sync for *mut T
where 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,

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impl<T> !Sync for Receiver<T>

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 gstd::sync::Mutex<T>

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impl<T> Sync for gstd::sync::RwLock<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 gstd::prelude::collections::linked_list::Iter<'_, T>
where T: Sync,

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

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impl<T> Sync for AtomicPtr<T>

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

1.72.0 · source§

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

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

1.19.0 · source§

impl<T> Sync for std::sync::mutex::MutexGuard<'_, T>
where T: Sync + ?Sized,

1.70.0 · source§

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

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

1.23.0 · source§

impl<T> Sync for std::sync::rwlock::RwLockReadGuard<'_, T>
where T: Sync + ?Sized,

1.23.0 · source§

impl<T> Sync for std::sync::rwlock::RwLockWriteGuard<'_, T>
where T: Sync + ?Sized,

1.29.0 · source§

impl<T> Sync for JoinHandle<T>

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 gstd::prelude::slice::Iter<'_, T>
where T: Sync,

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impl<T> Sync for gstd::prelude::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 BiLockGuard<'_, T>
where T: Send + Sync,

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impl<T> Sync for BitSpanError<T>
where T: BitStore,

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impl<T> Sync for MisalignError<T>

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

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

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impl<T> Sync for MutexLockFuture<'_, T>
where T: ?Sized,

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impl<T> Sync for OnceBox<T>
where T: Sync + Send,

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

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

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

1.4.0 · source§

impl<T, A> !Sync for gstd::prelude::rc::Weak<T, A>
where A: Allocator, T: ?Sized,

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

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

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

1.4.0 · source§

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

1.6.0 · source§

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

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

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

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

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

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impl<T, A> Sync for OccupiedEntry<'_, T, A>
where T: Sync, A: Sync + Allocator,

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impl<T, A> Sync for RawDrain<'_, T, A>
where A: Allocator + Sync, T: Sync,

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

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

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

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impl<T, F> Sync for Lazy<T, F>
where F: Send, OnceCell<T>: Sync,

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impl<T, O> Sync for BitBox<T, O>
where T: BitStore, O: BitOrder,

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impl<T, O> Sync for BitSlice<T, O>
where T: BitStore + Sync, O: BitOrder,

§Bit-Slice Thread Safety

This allows bit-slice references to be moved across thread boundaries only when the underlying T element can tolerate concurrency.

All BitSlice references, shared or exclusive, are only threadsafe if the T element type is Send, because any given bit-slice reference may only have partial control of a memory element that is also being shared by a bit-slice reference on another thread. As such, this is never implemented for Cell<U>, but always implemented for AtomicU and U for a given unsigned integer type U.

Atomic integers safely handle concurrent writes, cells do not allow concurrency at all, so the only missing piece is &mut BitSlice<_, U: Unsigned>. This is handled by the aliasing system that the mutable splitters employ: a mutable reference to an unsynchronized bit-slice can only cross threads when no other handle is able to exist to the elements it governs. Splitting a mutable bit-slice causes the split halves to change over to either atomics or cells, so concurrency is either safe or impossible.

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impl<T, O> Sync for BitVec<T, O>
where T: BitStore, O: BitOrder,

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impl<T, O> Sync for Drain<'_, T, O>
where T: BitStore, O: BitOrder, BitSlice<T, O>: Sync,

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impl<T, O> Sync for IntoIter<T, O>
where T: BitStore + Sync, O: BitOrder,

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impl<T, O> Sync for Iter<'_, T, O>
where T: BitStore, O: BitOrder, BitSlice<T, O>: Sync,

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impl<T, O> Sync for IterMut<'_, T, O>
where T: BitStore, O: BitOrder, BitSlice<T, O>: Sync,

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impl<T, U> Sync for MappedMutexGuard<'_, T, U>
where T: Sync + ?Sized, U: Sync + ?Sized,

Auto implementors§

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impl !Sync for RawWaker

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impl Sync for gstd::errors::Error

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impl Sync for ErrorReplyReason

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impl Sync for ExecutionError

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impl Sync for ExtError

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impl Sync for MemoryError

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impl Sync for MessageError

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impl Sync for ReplyCode

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impl Sync for ReservationError

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impl Sync for SignalCode

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impl Sync for SimpleExecutionError

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impl Sync for SimpleProgramCreationError

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impl Sync for SuccessReplyReason

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impl Sync for AsciiChar

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impl Sync for Ordering

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impl Sync for TryReserveErrorKind

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impl Sync for gstd::prelude::collections::hashbrown::TryReserveError

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impl Sync for Infallible

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impl Sync for c_void

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impl Sync for gstd::prelude::fmt::Alignment

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impl Sync for FpCategory

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impl Sync for IntErrorKind

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impl Sync for SearchStep

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impl Sync for SyscallError

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impl Sync for CreateProgramFuture

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impl Sync for MessageFuture

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impl Sync for MessageHandle

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impl Sync for ProgramGenerator

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impl Sync for ActorId

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impl Sync for CodeId

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impl Sync for Config

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impl Sync for EnvVars

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impl Sync for GasMultiplier

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impl Sync for MessageId

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impl Sync for Percent

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impl Sync for Reservation

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impl Sync for ReservationId

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impl Sync for Reservations

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impl Sync for MetaType

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impl Sync for TypeId

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impl Sync for TryFromSliceError

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impl Sync for gstd::prelude::ascii::EscapeDefault

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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 gstd::prelude::char::EscapeDebug

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impl Sync for gstd::prelude::char::EscapeDefault

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impl Sync for gstd::prelude::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 gstd::prelude::collections::TryReserveError

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impl Sync for CStr

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impl Sync for CString

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impl Sync for FromBytesUntilNulError

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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 gstd::prelude::fmt::Error

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impl Sync for SipHasher

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impl Sync for PhantomPinned

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impl Sync for Assume

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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 gstd::prelude::ptr::Alignment

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impl Sync for TimSortRun

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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 RawWakerVTable

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impl Sync for Duration

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impl Sync for TryFromFloatSecsError

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impl Sync for Big8x3

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impl Sync for Big32x40

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impl Sync for Decoded

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impl Sync for FullDecoded

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impl Sync for Number

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impl Sync for Sign

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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 Context<'a>

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impl<'a> Sync for Location<'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 gstd::prelude::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 gstd::prelude::str::EscapeDebug<'a>

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impl<'a> Sync for gstd::prelude::str::EscapeDefault<'a>

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impl<'a> Sync for gstd::prelude::str::EscapeUnicode<'a>

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impl<'a> Sync for 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 Formatted<'a>

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impl<'a> Sync for Part<'a>

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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, K, Q: ?Sized, V, S, A> Sync for EntryRef<'a, 'b, K, Q, V, S, A>
where A: Sync, K: Sync, Q: Sync, S: Sync, V: Sync,

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impl<'a, 'b, K, Q: ?Sized, V, S, A> Sync for VacantEntryRef<'a, 'b, K, Q, V, S, A>
where A: Sync, K: Sync, Q: Sync, S: Sync, V: Sync,

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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 gstd::prelude::option::Iter<'a, A>
where A: Sync,

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impl<'a, A> Sync for gstd::prelude::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, 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 gstd::prelude::collections::hash_set::Iter<'a, K>
where K: Sync,

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impl<'a, K, A> Sync for gstd::prelude::collections::hash_set::Drain<'a, K, A>
where A: Sync, K: Sync,

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impl<'a, K, F, A> Sync for gstd::prelude::collections::hash_set::ExtractIf<'a, K, F, A>
where A: Sync, F: Sync, K: Sync,

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

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

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

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

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

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

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impl<'a, K, V> Sync for gstd::prelude::collections::hash_map::Iter<'a, K, V>
where K: Sync, V: Sync,

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impl<'a, K, V> Sync for gstd::prelude::collections::hash_map::IterMut<'a, K, V>
where K: Sync, V: Sync,

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impl<'a, K, V> Sync for gstd::prelude::collections::hash_map::Keys<'a, K, V>
where K: Sync, V: Sync,

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impl<'a, K, V> Sync for gstd::prelude::collections::hash_map::Values<'a, K, V>
where K: Sync, V: Sync,

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impl<'a, K, V> Sync for gstd::prelude::collections::hash_map::ValuesMut<'a, K, V>
where K: Sync, V: Sync,

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

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impl<'a, K, V, A> Sync for gstd::prelude::collections::hash_map::Drain<'a, K, V, A>
where A: Sync, K: Sync, V: Sync,

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impl<'a, K, V, F, A> Sync for gstd::prelude::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, F, A> Sync for gstd::prelude::collections::hash_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, A> Sync for gstd::prelude::collections::hash_map::Entry<'a, K, V, S, A>
where A: Sync, K: Sync, S: Sync, V: Sync,

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

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impl<'a, K, V, S, A> Sync for gstd::prelude::collections::hash_map::OccupiedError<'a, K, V, S, A>
where A: Sync, K: Sync, S: Sync, V: Sync,

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

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

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

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impl<'a, K, V, S, A> Sync for gstd::prelude::collections::hash_map::VacantEntry<'a, K, V, S, A>
where A: Sync, 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 gstd::prelude::str::RSplit<'a, P>
where <P as Pattern<'a>>::Searcher: Sync,

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

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

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impl<'a, P> Sync for gstd::prelude::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 gstd::sync::MutexGuard<'a, T>

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impl<'a, T> Sync for gstd::sync::MutexLockFuture<'a, T>

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impl<'a, T> Sync for RwLockReadFuture<'a, T>

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impl<'a, T> Sync for gstd::sync::RwLockReadGuard<'a, T>

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impl<'a, T> Sync for RwLockWriteFuture<'a, T>

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impl<'a, T> Sync for gstd::sync::RwLockWriteGuard<'a, T>

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

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

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

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

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

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

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

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

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

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

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

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impl<'a, T, F, A> Sync for gstd::prelude::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 gstd::prelude::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 gstd::prelude::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 gstd::prelude::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 gstd::prelude::slice::Split<'a, T, P>
where P: Sync, T: Sync,

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impl<'a, T, P> Sync for gstd::prelude::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 gstd::prelude::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, A> Sync for gstd::prelude::collections::hash_set::Entry<'a, T, S, A>
where A: Sync, S: Sync, T: Sync,

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impl<'a, T, S, A> Sync for gstd::prelude::collections::hash_set::Difference<'a, T, S, A>
where A: Sync, S: Sync, T: Sync,

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impl<'a, T, S, A> Sync for gstd::prelude::collections::hash_set::Intersection<'a, T, S, A>
where A: Sync, S: Sync, T: Sync,

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impl<'a, T, S, A> Sync for gstd::prelude::collections::hash_set::OccupiedEntry<'a, T, S, A>
where A: Sync, S: Sync, T: Sync,

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impl<'a, T, S, A> Sync for gstd::prelude::collections::hash_set::SymmetricDifference<'a, T, S, A>
where A: Sync, S: Sync, T: Sync,

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impl<'a, T, S, A> Sync for gstd::prelude::collections::hash_set::Union<'a, T, S, A>
where A: Sync, S: Sync, T: Sync,

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impl<'a, T, S, A> Sync for gstd::prelude::collections::hash_set::VacantEntry<'a, T, S, A>
where A: Sync, 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 gstd::prelude::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, 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<'f> !Sync for VaListImpl<'f>

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

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impl<A> Sync for RepeatN<A>
where A: Sync,

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impl<A> Sync for gstd::prelude::option::IntoIter<A>
where A: Sync,

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

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impl<F> Sync for FormatterFn<F>
where F: 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 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 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, F, const N: usize> Sync for MapWindows<I, F, N>
where F: Sync, I: Sync, <I as Iterator>::Item: 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 gstd::prelude::iter::ArrayChunks<I, N>
where I: Sync, <I as Iterator>::Item: Sync,

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impl<Idx> Sync for gstd::prelude::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, A> Sync for gstd::prelude::collections::hash_set::IntoIter<K, A>
where A: Sync, K: Sync,

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

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

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

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impl<K, V, A> Sync for gstd::prelude::collections::hash_map::IntoIter<K, V, A>
where A: Sync, K: Sync, V: Sync,

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impl<K, V, A> Sync for gstd::prelude::collections::hash_map::IntoKeys<K, V, A>
where A: Sync, K: Sync, V: Sync,

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impl<K, V, A> Sync for gstd::prelude::collections::hash_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, A> Sync for HashMap<K, V, S, A>
where A: Sync, K: Sync, S: Sync, V: Sync,

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

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impl<T> !Sync for UniqueRc<T>

§

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

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

§

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

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

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

§

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

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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 Empty<T>

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impl<T> Sync for 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 gstd::prelude::result::IntoIter<T>
where T: Sync,

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

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

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impl<T, A> Sync for gstd::prelude::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 gstd::prelude::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, S, A> Sync for HashSet<T, S, A>
where A: Sync, S: Sync, T: Sync,

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

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

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

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

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

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impl<const N: usize> Sync for GetManyMutError<N>