Trait core::marker::Unpin

1.33.0 · source ·
pub auto trait Unpin { }
Expand description

Types that do not require any pinning guarantees.

For information on what “pinning” is, see the pin module documentation.

Implementing the Unpin trait for T expresses the fact that T is pinning-agnostic: it shall not expose nor rely on any pinning guarantees. This, in turn, means that a Pin-wrapped pointer to such a type can feature a fully unrestricted API. In other words, if T: Unpin, a value of type T will not be bound by the invariants which pinning otherwise offers, even when “pinned” by a Pin<Ptr> pointing at it. When a value of type T is pointed at by a Pin<Ptr>, Pin will not restrict access to the pointee value like it normally would, thus allowing the user to do anything that they normally could with a non-Pin-wrapped Ptr to that value.

The idea of this trait is to alleviate the reduced ergonomics of APIs that require the use of Pin for soundness for some types, but which also want to be used by other types that don’t care about pinning. The prime example of such an API is Future::poll. There are many Future types that don’t care about pinning. These futures can implement Unpin and therefore get around the pinning related restrictions in the API, while still allowing the subset of Futures which do require pinning to be implemented soundly.

For more discussion on the consequences of Unpin within the wider scope of the pinning system, see the section about Unpin in the pin module.

Unpin has no consequence at all for non-pinned data. In particular, mem::replace happily moves !Unpin data, which would be immovable when pinned (mem::replace works for any &mut T, not just when T: Unpin).

However, you cannot use mem::replace on !Unpin data which is pinned by being wrapped inside a Pin<Ptr> pointing at it. This is because you cannot (safely) use a Pin<Ptr> to get an &mut T to its pointee value, which you would need to call mem::replace, and that is what makes this system work.

So this, for example, can only be done on types implementing Unpin:

use std::mem;
use std::pin::Pin;

let mut string = "this".to_string();
let mut pinned_string = Pin::new(&mut string);

// We need a mutable reference to call `mem::replace`.
// We can obtain such a reference by (implicitly) invoking `Pin::deref_mut`,
// but that is only possible because `String` implements `Unpin`.
mem::replace(&mut *pinned_string, "other".to_string());
Run

This trait is automatically implemented for almost every type. The compiler is free to take the conservative stance of marking types as Unpin so long as all of the types that compose its fields are also Unpin. This is because if a type implements Unpin, then it is unsound for that type’s implementation to rely on pinning-related guarantees for soundness, even when viewed through a “pinning” pointer! It is the responsibility of the implementor of a type that relies upon pinning for soundness to ensure that type is not marked as Unpin by adding PhantomPinned field. For more details, see the pin module docs.

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impl !Unpin for PhantomPinned

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impl Unpin for LocalWaker

1.36.0 · source§

impl Unpin for Waker

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

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impl<F: Unpin> Unpin for PollFn<F>

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impl<I> Unpin for FromIter<I>

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impl<T> Unpin for Ready<T>

1.28.0 · source§

impl<T> Unpin for NonZero<T>

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impl<T: ?Sized> Unpin for *const T

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impl<T: ?Sized> Unpin for *mut T

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impl<T: ?Sized> Unpin for &T

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impl<T: ?Sized> Unpin for &mut T

Auto implementors§

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impl Unpin for AsciiChar

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impl Unpin for core::cmp::Ordering

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impl Unpin for Infallible

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impl Unpin for c_void

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impl Unpin for core::fmt::Alignment

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impl Unpin for BasicBlock

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impl Unpin for UnwindTerminateReason

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impl Unpin for IpAddr

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impl Unpin for Ipv6MulticastScope

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impl Unpin for SocketAddr

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impl Unpin for FpCategory

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impl Unpin for IntErrorKind

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impl Unpin for SearchStep

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impl Unpin for core::sync::atomic::Ordering

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impl Unpin for bool

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impl Unpin for char

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impl Unpin for f32

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impl Unpin for f64

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impl Unpin for i8

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impl Unpin for i16

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impl Unpin for i32

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impl Unpin for i64

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impl Unpin for i128

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impl Unpin for isize

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impl Unpin for str

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impl Unpin for u8

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impl Unpin for u16

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impl Unpin for u32

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impl Unpin for u64

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impl Unpin for u128

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impl Unpin for ()

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impl Unpin for usize

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impl Unpin for AllocError

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impl Unpin for Layout

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impl Unpin for LayoutError

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impl Unpin for TypeId

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impl Unpin for float64x1_t

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impl Unpin for float64x1x2_t

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impl Unpin for float64x1x3_t

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impl Unpin for float64x1x4_t

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impl Unpin for float64x2_t

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impl Unpin for float64x2x2_t

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impl Unpin for float64x2x3_t

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impl Unpin for float64x2x4_t

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impl Unpin for SY

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impl Unpin for float32x2_t

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impl Unpin for float32x2x2_t

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impl Unpin for float32x2x3_t

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impl Unpin for float32x2x4_t

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impl Unpin for float32x4_t

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impl Unpin for float32x4x2_t

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impl Unpin for float32x4x3_t

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impl Unpin for float32x4x4_t

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impl Unpin for int8x4_t

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impl Unpin for int8x8_t

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impl Unpin for int8x8x2_t

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impl Unpin for int8x8x3_t

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impl Unpin for int8x8x4_t

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impl Unpin for int8x16_t

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impl Unpin for int8x16x2_t

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impl Unpin for int8x16x3_t

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impl Unpin for int8x16x4_t

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impl Unpin for int16x2_t

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impl Unpin for int16x4_t

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impl Unpin for int16x4x2_t

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impl Unpin for int16x4x3_t

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impl Unpin for int16x4x4_t

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impl Unpin for int16x8_t

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impl Unpin for int16x8x2_t

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impl Unpin for int16x8x3_t

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impl Unpin for int16x8x4_t

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impl Unpin for int32x2_t

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impl Unpin for int32x2x2_t

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impl Unpin for int32x2x3_t

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impl Unpin for int32x2x4_t

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impl Unpin for int32x4_t

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impl Unpin for int32x4x2_t

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impl Unpin for int32x4x3_t

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impl Unpin for int32x4x4_t

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impl Unpin for int64x1_t

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impl Unpin for int64x1x2_t

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impl Unpin for int64x1x3_t

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impl Unpin for int64x1x4_t

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impl Unpin for int64x2_t

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impl Unpin for int64x2x2_t

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impl Unpin for int64x2x3_t

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impl Unpin for int64x2x4_t

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impl Unpin for poly8x8_t

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impl Unpin for poly8x8x2_t

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impl Unpin for poly8x8x3_t

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impl Unpin for poly8x8x4_t

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impl Unpin for poly8x16_t

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impl Unpin for poly8x16x2_t

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impl Unpin for poly8x16x3_t

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impl Unpin for poly8x16x4_t

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impl Unpin for poly16x4_t

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impl Unpin for poly16x4x2_t

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impl Unpin for poly16x4x3_t

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impl Unpin for poly16x4x4_t

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impl Unpin for poly16x8_t

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impl Unpin for poly16x8x2_t

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impl Unpin for poly16x8x3_t

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impl Unpin for poly16x8x4_t

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impl Unpin for poly64x1_t

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impl Unpin for poly64x1x2_t

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impl Unpin for poly64x1x3_t

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impl Unpin for poly64x1x4_t

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impl Unpin for poly64x2_t

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impl Unpin for poly64x2x2_t

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impl Unpin for poly64x2x3_t

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impl Unpin for poly64x2x4_t

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impl Unpin for uint8x4_t

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impl Unpin for uint8x8_t

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impl Unpin for uint8x8x2_t

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impl Unpin for uint8x8x3_t

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impl Unpin for uint8x8x4_t

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impl Unpin for uint8x16_t

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impl Unpin for uint8x16x2_t

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impl Unpin for uint8x16x3_t

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impl Unpin for uint8x16x4_t

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impl Unpin for uint16x2_t

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impl Unpin for uint16x4_t

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impl Unpin for uint16x4x2_t

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impl Unpin for uint16x4x3_t

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impl Unpin for uint16x4x4_t

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impl Unpin for uint16x8_t

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impl Unpin for uint16x8x2_t

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impl Unpin for uint16x8x3_t

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impl Unpin for uint16x8x4_t

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impl Unpin for uint32x2_t

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impl Unpin for uint32x2x2_t

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impl Unpin for uint32x2x3_t

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impl Unpin for uint32x2x4_t

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impl Unpin for uint32x4_t

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impl Unpin for uint32x4x2_t

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impl Unpin for uint32x4x3_t

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impl Unpin for uint32x4x4_t

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impl Unpin for uint64x1_t

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impl Unpin for uint64x1x2_t

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impl Unpin for uint64x1x3_t

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impl Unpin for uint64x1x4_t

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impl Unpin for uint64x2_t

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impl Unpin for uint64x2x2_t

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impl Unpin for uint64x2x3_t

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impl Unpin for uint64x2x4_t

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impl Unpin for v2f64

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impl Unpin for v2i64

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impl Unpin for v2u64

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impl Unpin for v4f32

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impl Unpin for v4f64

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impl Unpin for v4i32

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impl Unpin for v4i64

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impl Unpin for v4u32

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impl Unpin for v4u64

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impl Unpin for v8f32

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impl Unpin for v8i16

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impl Unpin for v8i32

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impl Unpin for v8u16

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impl Unpin for v8u32

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impl Unpin for v16i8

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impl Unpin for v16i16

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impl Unpin for v16u8

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impl Unpin for v16u16

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impl Unpin for v32i8

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impl Unpin for v32u8

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impl Unpin for vector_bool_char

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impl Unpin for vector_bool_int

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impl Unpin for vector_bool_long

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impl Unpin for vector_bool_short

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impl Unpin for vector_double

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impl Unpin for vector_float

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impl Unpin for vector_signed_char

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impl Unpin for vector_signed_int

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impl Unpin for vector_signed_long

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impl Unpin for vector_signed_short

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impl Unpin for vector_unsigned_char

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impl Unpin for vector_unsigned_int

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impl Unpin for vector_unsigned_long

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impl Unpin for vector_unsigned_short

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impl Unpin for v128

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impl Unpin for CpuidResult

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impl Unpin for __m128

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impl Unpin for __m128bh

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impl Unpin for __m128d

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impl Unpin for __m128i

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impl Unpin for __m256

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impl Unpin for __m256bh

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impl Unpin for __m256d

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impl Unpin for __m256i

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impl Unpin for __m512

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impl Unpin for __m512bh

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impl Unpin for __m512d

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impl Unpin for __m512i

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impl Unpin for TryFromSliceError

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impl Unpin for core::ascii::EscapeDefault

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impl Unpin for BorrowError

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impl Unpin for BorrowMutError

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impl Unpin for CharTryFromError

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impl Unpin for DecodeUtf16Error

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impl Unpin for core::char::EscapeDebug

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impl Unpin for core::char::EscapeDefault

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impl Unpin for core::char::EscapeUnicode

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impl Unpin for ParseCharError

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impl Unpin for ToLowercase

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impl Unpin for ToUppercase

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impl Unpin for TryFromCharError

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impl Unpin for FromBytesUntilNulError

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impl Unpin for FromBytesWithNulError

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impl Unpin for CStr

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impl Unpin for Error

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impl Unpin for SipHasher

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impl Unpin for ReturnToArg

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impl Unpin for UnwindActionArg

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impl Unpin for Assume

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impl Unpin for AddrParseError

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impl Unpin for Ipv4Addr

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impl Unpin for Ipv6Addr

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impl Unpin for SocketAddrV4

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impl Unpin for SocketAddrV6

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impl Unpin for ParseFloatError

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impl Unpin for ParseIntError

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impl Unpin for TryFromIntError

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impl Unpin for RangeFull

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impl Unpin for core::ptr::Alignment

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impl Unpin for TimSortRun

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impl Unpin for ParseBoolError

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impl Unpin for Utf8Error

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impl Unpin for AtomicBool

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impl Unpin for AtomicI8

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impl Unpin for AtomicI16

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impl Unpin for AtomicI32

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impl Unpin for AtomicI64

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impl Unpin for AtomicIsize

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impl Unpin for AtomicU8

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impl Unpin for AtomicU16

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impl Unpin for AtomicU32

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impl Unpin for AtomicU64

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impl Unpin for AtomicUsize

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impl Unpin for RawWaker

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impl Unpin for RawWakerVTable

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impl Unpin for Duration

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impl Unpin for TryFromFloatSecsError

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

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impl<'a> Unpin for Source<'a>

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impl<'a> Unpin for core::ffi::c_str::Bytes<'a>

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impl<'a> Unpin for Arguments<'a>

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impl<'a> Unpin for Formatter<'a>

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impl<'a> Unpin for BorrowedCursor<'a>

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impl<'a> Unpin for Location<'a>

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impl<'a> Unpin for PanicInfo<'a>

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impl<'a> Unpin for EscapeAscii<'a>

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impl<'a> Unpin for CharSearcher<'a>

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

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impl<'a> Unpin for CharIndices<'a>

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impl<'a> Unpin for Chars<'a>

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impl<'a> Unpin for EncodeUtf16<'a>

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

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

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

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impl<'a> Unpin for Lines<'a>

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impl<'a> Unpin for LinesAny<'a>

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impl<'a> Unpin for SplitAsciiWhitespace<'a>

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impl<'a> Unpin for SplitWhitespace<'a>

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impl<'a> Unpin for Utf8Chunk<'a>

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impl<'a> Unpin for Utf8Chunks<'a>

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impl<'a> Unpin for Context<'a>

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impl<'a> Unpin for ContextBuilder<'a>

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impl<'a, 'b> Unpin for DebugList<'a, 'b>

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impl<'a, 'b> Unpin for DebugMap<'a, 'b>

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impl<'a, 'b> Unpin for DebugSet<'a, 'b>

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impl<'a, 'b> Unpin for DebugStruct<'a, 'b>

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impl<'a, 'b> Unpin for DebugTuple<'a, 'b>

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

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

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

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impl<'a, 'f> Unpin for VaList<'a, 'f>

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impl<'a, A> Unpin for core::option::Iter<'a, A>

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

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impl<'a, F> Unpin for CharPredicateSearcher<'a, F>
where F: FnOnce(char) + Unpin,

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impl<'a, I> Unpin for ByRefSized<'a, I>

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

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

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

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

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

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

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

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

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

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

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

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impl<'a, T> Unpin for core::result::Iter<'a, T>

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

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impl<'a, T> Unpin for Chunks<'a, T>

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impl<'a, T> Unpin for ChunksExact<'a, T>

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impl<'a, T> Unpin for ChunksExactMut<'a, T>

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impl<'a, T> Unpin for ChunksMut<'a, T>

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impl<'a, T> Unpin for core::slice::Iter<'a, T>

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impl<'a, T> Unpin for core::slice::IterMut<'a, T>

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impl<'a, T> Unpin for RChunks<'a, T>

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impl<'a, T> Unpin for RChunksExact<'a, T>

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impl<'a, T> Unpin for RChunksExactMut<'a, T>

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impl<'a, T> Unpin for RChunksMut<'a, T>

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impl<'a, T> Unpin for Windows<'a, T>

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

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

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impl<'a, T, P> Unpin for core::slice::RSplit<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for RSplitMut<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for core::slice::RSplitN<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for RSplitNMut<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for core::slice::Split<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for core::slice::SplitInclusive<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for SplitInclusiveMut<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for SplitMut<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for core::slice::SplitN<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, P> Unpin for SplitNMut<'a, T, P>
where P: FnOnce(&T) + Unpin,

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impl<'a, T, const N: usize> Unpin for core::slice::ArrayChunks<'a, T, N>

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

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

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

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impl<'b, T> Unpin for Ref<'b, T>
where T: ?Sized,

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impl<'b, T> Unpin for RefMut<'b, T>
where T: ?Sized,

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impl<'data> Unpin for BorrowedBuf<'data>

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impl<'f> Unpin for VaListImpl<'f>

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

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

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

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

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

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

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impl<F> Unpin for FormatterFn<F>
where F: FnMut(&mut Formatter<'_>) + FnOnce(&mut Formatter<'_>) + Unpin,

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

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

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

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impl<H> Unpin for BuildHasherDefault<H>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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impl<T> Unpin for Pending<T>

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impl<T> Unpin for Empty<T>

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

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

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impl<T> Unpin for Discriminant<T>

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

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

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

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

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

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impl<T> Unpin for NonNull<T>
where T: ?Sized,

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

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impl<T> Unpin for AtomicPtr<T>

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

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

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

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

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

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

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

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

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impl<T, const N: usize> Unpin for Mask<T, N>
where LaneCount<N>: Sealed, T: Sealed + SimdCast<Mask = T> + Sealed + SimdElement + Copy + Clone + Sealed + Unpin,

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impl<T, const N: usize> Unpin for Simd<T, N>
where T: Copy + Clone + Sealed + Unpin, LaneCount<N>: Sealed,

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

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

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

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

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