Trait core::marker::Send

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

Types that can be transferred across thread boundaries.

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

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

See the Nomicon and the Sync trait for more details.

Implementors§

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impl !Send for LocalWaker

1.36.0 · source§

impl Send for Waker

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impl<Dyn: ?Sized> Send for DynMetadata<Dyn>

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

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

1.28.0 · source§

impl<T> Send for NonZero<T>

1.31.0 · source§

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

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

1.31.0 · source§

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

1.31.0 · source§

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

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impl<T> Send for AtomicPtr<T>

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impl<T: Send> Send for core::slice::IterMut<'_, T>

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

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impl<T: Sync> Send for core::slice::Iter<'_, T>

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

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

1.25.0 · source§

impl<T: ?Sized> !Send for NonNull<T>

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

Auto implementors§

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impl !Send for RawWaker

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impl Send for AsciiChar

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impl Send for core::cmp::Ordering

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impl Send for Infallible

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impl Send for c_void

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impl Send for core::fmt::Alignment

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impl Send for BasicBlock

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impl Send for UnwindTerminateReason

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impl Send for IpAddr

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impl Send for Ipv6MulticastScope

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impl Send for SocketAddr

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impl Send for FpCategory

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impl Send for IntErrorKind

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impl Send for SearchStep

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impl Send for core::sync::atomic::Ordering

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impl Send for bool

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impl Send for char

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impl Send for f16

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impl Send for f32

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impl Send for f64

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impl Send for f128

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impl Send for i8

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impl Send for i16

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impl Send for i32

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impl Send for i64

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impl Send for i128

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impl Send for isize

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impl Send for str

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impl Send for u8

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impl Send for u16

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impl Send for u32

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impl Send for u64

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impl Send for u128

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impl Send for ()

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impl Send for usize

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impl Send for AllocError

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impl Send for Layout

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impl Send for LayoutError

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impl Send for TypeId

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impl Send for float64x1_t

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impl Send for float64x1x2_t

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impl Send for float64x1x3_t

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impl Send for float64x1x4_t

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impl Send for float64x2_t

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impl Send for float64x2x2_t

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impl Send for float64x2x3_t

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impl Send for float64x2x4_t

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impl Send for SY

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impl Send for float32x2_t

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impl Send for float32x2x2_t

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impl Send for float32x2x3_t

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impl Send for float32x2x4_t

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impl Send for float32x4_t

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impl Send for float32x4x2_t

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impl Send for float32x4x3_t

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impl Send for float32x4x4_t

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impl Send for int8x4_t

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impl Send for int8x8_t

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impl Send for int8x8x2_t

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impl Send for int8x8x3_t

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impl Send for int8x8x4_t

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impl Send for int8x16_t

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impl Send for int8x16x2_t

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impl Send for int8x16x3_t

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impl Send for int8x16x4_t

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impl Send for int16x2_t

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impl Send for int16x4_t

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impl Send for int16x4x2_t

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impl Send for int16x4x3_t

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impl Send for int16x4x4_t

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impl Send for int16x8_t

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impl Send for int16x8x2_t

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impl Send for int16x8x3_t

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impl Send for int16x8x4_t

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impl Send for int32x2_t

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impl Send for int32x2x2_t

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impl Send for int32x2x3_t

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impl Send for int32x2x4_t

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impl Send for int32x4_t

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impl Send for int32x4x2_t

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impl Send for int32x4x3_t

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impl Send for int32x4x4_t

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impl Send for int64x1_t

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impl Send for int64x1x2_t

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impl Send for int64x1x3_t

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impl Send for int64x1x4_t

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impl Send for int64x2_t

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impl Send for int64x2x2_t

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impl Send for int64x2x3_t

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impl Send for int64x2x4_t

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impl Send for poly8x8_t

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impl Send for poly8x8x2_t

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impl Send for poly8x8x3_t

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impl Send for poly8x8x4_t

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impl Send for poly8x16_t

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impl Send for poly8x16x2_t

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impl Send for poly8x16x3_t

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impl Send for poly8x16x4_t

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impl Send for poly16x4_t

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impl Send for poly16x4x2_t

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impl Send for poly16x4x3_t

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impl Send for poly16x4x4_t

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impl Send for poly16x8_t

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impl Send for poly16x8x2_t

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impl Send for poly16x8x3_t

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impl Send for poly16x8x4_t

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impl Send for poly64x1_t

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impl Send for poly64x1x2_t

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impl Send for poly64x1x3_t

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impl Send for poly64x1x4_t

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impl Send for poly64x2_t

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impl Send for poly64x2x2_t

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impl Send for poly64x2x3_t

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impl Send for poly64x2x4_t

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impl Send for uint8x4_t

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impl Send for uint8x8_t

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impl Send for uint8x8x2_t

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impl Send for uint8x8x3_t

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impl Send for uint8x8x4_t

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impl Send for uint8x16_t

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impl Send for uint8x16x2_t

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impl Send for uint8x16x3_t

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impl Send for uint8x16x4_t

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impl Send for uint16x2_t

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impl Send for uint16x4_t

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impl Send for uint16x4x2_t

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impl Send for uint16x4x3_t

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impl Send for uint16x4x4_t

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impl Send for uint16x8_t

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impl Send for uint16x8x2_t

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impl Send for uint16x8x3_t

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impl Send for uint16x8x4_t

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impl Send for uint32x2_t

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impl Send for uint32x2x2_t

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impl Send for uint32x2x3_t

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impl Send for uint32x2x4_t

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impl Send for uint32x4_t

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impl Send for uint32x4x2_t

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impl Send for uint32x4x3_t

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impl Send for uint32x4x4_t

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impl Send for uint64x1_t

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impl Send for uint64x1x2_t

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impl Send for uint64x1x3_t

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impl Send for uint64x1x4_t

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impl Send for uint64x2_t

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impl Send for uint64x2x2_t

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impl Send for uint64x2x3_t

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impl Send for uint64x2x4_t

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impl Send for v2f64

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impl Send for v2i64

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impl Send for v2u64

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impl Send for v4f32

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impl Send for v4f64

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impl Send for v4i32

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impl Send for v4i64

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impl Send for v4u32

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impl Send for v4u64

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impl Send for v8f32

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impl Send for v8i16

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impl Send for v8i32

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impl Send for v8u16

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impl Send for v8u32

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impl Send for v16i8

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impl Send for v16i16

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impl Send for v16u8

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impl Send for v16u16

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impl Send for v32i8

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impl Send for v32u8

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impl Send for vector_bool_char

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impl Send for vector_bool_int

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impl Send for vector_bool_long

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impl Send for vector_bool_short

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impl Send for vector_double

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impl Send for vector_float

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impl Send for vector_signed_char

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impl Send for vector_signed_int

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impl Send for vector_signed_long

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impl Send for vector_signed_short

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impl Send for vector_unsigned_char

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impl Send for vector_unsigned_int

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impl Send for vector_unsigned_long

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impl Send for vector_unsigned_short

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impl Send for v128

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impl Send for CpuidResult

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impl Send for __m128

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impl Send for __m128bh

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impl Send for __m128d

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impl Send for __m128i

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impl Send for __m256

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impl Send for __m256bh

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impl Send for __m256d

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impl Send for __m256i

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impl Send for __m512

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impl Send for __m512bh

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impl Send for __m512d

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impl Send for __m512i

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impl Send for TryFromSliceError

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impl Send for core::ascii::EscapeDefault

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impl Send for BorrowError

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impl Send for BorrowMutError

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impl Send for CharTryFromError

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impl Send for DecodeUtf16Error

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impl Send for core::char::EscapeDebug

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impl Send for core::char::EscapeDefault

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impl Send for core::char::EscapeUnicode

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impl Send for ParseCharError

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impl Send for ToLowercase

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impl Send for ToUppercase

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impl Send for TryFromCharError

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impl Send for FromBytesUntilNulError

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impl Send for FromBytesWithNulError

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impl Send for CStr

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impl Send for Error

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impl Send for SipHasher

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impl Send for ReturnToArg

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impl Send for UnwindActionArg

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impl Send for Assume

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impl Send for AddrParseError

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impl Send for Ipv4Addr

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impl Send for Ipv6Addr

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impl Send for SocketAddrV4

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impl Send for SocketAddrV6

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impl Send for ParseFloatError

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impl Send for ParseIntError

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impl Send for TryFromIntError

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impl Send for RangeFull

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impl Send for core::ptr::Alignment

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impl Send for TimSortRun

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impl Send for ParseBoolError

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impl Send for Utf8Error

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impl Send for AtomicBool

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impl Send for AtomicI8

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impl Send for AtomicI16

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impl Send for AtomicI32

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impl Send for AtomicI64

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impl Send for AtomicIsize

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impl Send for AtomicU8

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impl Send for AtomicU16

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impl Send for AtomicU32

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impl Send for AtomicU64

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impl Send for AtomicUsize

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impl Send for RawWakerVTable

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impl Send for Duration

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impl Send for TryFromFloatSecsError

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impl Send for PhantomPinned

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

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impl<'a> !Send for Source<'a>

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impl<'a> !Send for core::ffi::c_str::Bytes<'a>

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

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

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

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

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impl<'a> !Send for ContextBuilder<'a>

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

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

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

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

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impl<'a> Send for core::str::Bytes<'a>

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

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

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

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impl<'a> Send for core::str::EscapeDebug<'a>

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impl<'a> Send for core::str::EscapeDefault<'a>

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impl<'a> Send for core::str::EscapeUnicode<'a>

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impl<'a> Send for Lines<'a>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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impl<A> Send for core::option::IntoIter<A>
where A: Send,

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impl<A, B> Send for Chain<A, B>
where A: Send, B: Send,

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

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

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impl<F> Send for FormatterFn<F>
where F: Send,

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

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

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

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

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impl<H> Send for BuildHasherDefault<H>

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

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

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

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

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

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

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

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

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

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

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

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

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impl<I> Send for Take<I>
where I: Send,

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

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

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

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

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

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

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

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

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

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

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

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

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impl<Idx> Send for Range<Idx>
where Idx: Send,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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impl<T> Send for Pending<T>

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

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impl<T> Send for Empty<T>

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impl<T> Send for Once<T>
where T: Send,

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

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impl<T> Send for Discriminant<T>

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

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

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

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

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

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impl<T> Send for core::result::IntoIter<T>
where T: Send,

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

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

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

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

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

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

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

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

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

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

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

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

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impl<const N: usize> Send for LaneCount<N>

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

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