Trait Middleware 

pub trait Middleware<A: Action> {
    // Required methods
    fn before(&mut self, action: &A);
    fn after(&mut self, action: &A, state_changed: bool);
}

Middleware trait for intercepting actions

Implement this trait to add logging, persistence, or other cross-cutting concerns to your store.

Required Methods

fn before(&mut self, action: &A)

Called before the action is dispatched to the reducer

fn after(&mut self, action: &A, state_changed: bool)

Called after the action is processed by the reducer

Implementors

impl<A: Action> Middleware<A> for ComposedMiddleware<A>

impl<A: Action> Middleware<A> for LoggingMiddleware

impl<A: Action> Middleware<A> for NoopMiddleware

impl<A: ActionParams> Middleware<A> for ActionLoggerMiddleware