pub trait AcceptsDispatch {
    fn add_first_dispatch<T: MailDispatch + Send + Sync + 'static>(
        &mut self,
        item: T
    );
fn add_last_dispatch<T: MailDispatch + Send + Sync + 'static>(
        &mut self,
        item: T
    );
fn wrap_dispatches<T, F>(&mut self, wrap: F)
    where
        T: MailDispatch + Send + Sync + 'static,
        F: FnOnce(Box<dyn MailDispatch + Send + Sync>) -> T
; }

Required methods

Implementors