Trait AttachableSubject 

pub trait AttachableSubject<O>: Subject
where
    O: Observer,
{
    // Required method
    fn attach(&mut self, attach_observer: O);
}

Allows Observers to be added to the implementing Subject.

Required Methods

fn attach(&mut self, attach_observer: O)

Adds the Observer to the list of elements notified when the Subject is notified.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl<O> AttachableSubject<O> for HashSubject<O>

where O: HashSetObserver,

impl<O> AttachableSubject<O> for VecSubject<O>

where O: Observer,