Struct core::ptr::Shared
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pub struct Shared<T: ?Sized> { /* fields omitted */ }
🔬 This is a nightly-only experimental API. (shared
#27730)
needs an RFC to flesh out design
A wrapper around a raw non-null *mut T
that indicates that the possessor
of this wrapper has shared ownership of the referent. Useful for
building abstractions like Rc<T>
or Arc<T>
, which internally
use raw pointers to manage the memory that they own.
Methods
impl<T: ?Sized> Shared<T>
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unsafe fn new(ptr: *const T) -> Self
impl<T: ?Sized> Shared<T>
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Trait Implementations
impl<T: ?Sized> !Send for Shared<T>
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Shared
pointers are not Send
because the data they reference may be aliased.
impl<T: ?Sized> !Sync for Shared<T>
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Shared
pointers are not Sync
because the data they reference may be aliased.
impl<T: ?Sized> Clone for Shared<T>
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fn clone(&self) -> Self
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl<T: ?Sized> Copy for Shared<T>
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impl<T: ?Sized, U: ?Sized> CoerceUnsized<Shared<U>> for Shared<T> where
T: Unsize<U>,
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T: Unsize<U>,
impl<T: ?Sized> Deref for Shared<T>
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type Target = *const T
The resulting type after dereferencing
fn deref(&self) -> &*const T
The method called to dereference a value