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pub use self::{specs::*, state::*};
pub(crate) mod state;
pub(crate) mod specs {
use crate::messages::Message;
use std::sync::Arc;
pub trait StatePack: Default + ToString {
fn by_ref(&self) -> &Self {
self
}
fn by_ref_mut(&mut self) -> &mut Self {
self
}
}
pub trait Stateful<S: StatePack>: Clone + Default {
type Data;
fn by_ref(&self) -> Self {
self.clone()
}
fn by_ref_mut(&mut self) -> Self {
self.clone()
}
fn by_arc(self: Arc<Self>) -> Arc<Self> {
self
}
fn message(self) -> Message<Self::Data>;
fn state(self) -> S;
fn timestamp(self) -> i64;
}
pub trait StatefulExt<S: StatePack>: Stateful<S> {
fn now() -> i64 {
chrono::Utc::now().timestamp()
}
fn update_state(&mut self, msg: Option<Message<Self::Data>>, state: S) -> &Self;
}
}