Class WeakPtr

src/rc/weak.rs:13–13

A pointer that weakly references an object, allowing to safely check whether it has been deallocated.

/// A pointer that weakly references an object, allowing to safely check
/// whether it has been deallocated.
pub struct WeakPtr(Box<UnsafeCell<*mut Object>>);

impl WeakPtr {
    /// Constructs a `WeakPtr` to the given object.