Struct refptr::refcnt::AtomicWeak

pub struct AtomicWeak { /* fields omitted */ }

Reference count type used by the #[refcounted] attribute.

Trait Implementations

impl Debug for AtomicWeak

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Refcount for AtomicWeak

type Metadata = ()

Metadata type which can be obtained from the underlying Refcounted object.

unsafe fn new() -> Self

Construct a new instance of the refcount, initialized to a default value.

unsafe fn inc_strong<T: ?Sized>(ptr: *const Inner<T>) where
    T: Refcounted<Rc = Self>, 

Increment the strong reference count for this object.

unsafe fn dec_strong<T: ?Sized>(ptr: *const Inner<T>) where
    T: Refcounted<Rc = Self>, 

Decrement the strong reference count for this object.

unsafe fn strong_count<T: ?Sized>(ptr: *const Inner<T>) -> usize where
    T: Refcounted<Rc = Self>, 

Gets the number of strong references to this allocation.

impl WeakRefcount for AtomicWeak

unsafe fn inc_weak<T: ?Sized>(ptr: *const Inner<T>) where
    T: Refcounted<Rc = Self>, 

Called to increment the weak reference count of an object.

unsafe fn dec_weak<T: ?Sized>(ptr: *const Inner<T>) where
    T: Refcounted<Rc = Self>, 

Called to decrement the weak reference count of an object.

unsafe fn upgrade<T: ?Sized>(ptr: *const Inner<T>) -> bool where
    T: Refcounted<Rc = Self>, 

Called to attempt to obtain a new strong reference to an object.

unsafe fn weak_count<T: ?Sized>(ptr: *const Inner<T>) -> usize where
    T: Refcounted<Rc = Self>, 

Try to get the number of weak references to this allocation.