Trait WeakRcb 

pub trait WeakRcb<T> {
    type Strong: Rcb<T>;

    // Required method
    fn upgrade(&self) -> Option<Self::Strong>;
}

Trait for weak pointers to reference-counted boxes.

Required Associated Types

type Strong: Rcb<T>

Required Methods

fn upgrade(&self) -> Option<Self::Strong>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T> WeakRcb<T> for Weak<T>

type Strong = Rc<T>

fn upgrade(&self) -> Option<Self::Strong>

impl<T> WeakRcb<T> for Weak<T>

type Strong = Arc<T>

fn upgrade(&self) -> Option<Self::Strong>

Implementors