Trait Notifier 

pub trait Notifier<T>: Send {
    // Required method
    fn notify(&mut self, data: T);
}

Provides delegated notification of all strong references of a Primary being dropped.

See Primary::unwrap_with_notifier.

Required Methods

fn notify(&mut self, data: T)

Called when the data contained in the Primary reference can be extracted out because there are no more strong references to it.

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl<T> Notifier<T> for Infallible

A handy implementation for the common Infallible “Never” type.

fn notify(&mut self, _data: T)

Implementors

impl<A, B, N: Notifier<B>, F: FnOnce(A) -> B> Notifier<A> for MapNotifier<N, F>

where Self: Send,

impl<T: Send> Notifier<T> for ArcNotifier<T>