pub struct SessionData<T>where
    T: Default + Serialize + for<'de> Deserialize<'de> + Send + 'static,
{ /* private fields */ }
Expand description

The wrapping type for application session data.

The application will receive a SessionData<T> via the State container, where T is the session type given to NewSessionMiddleware.

Examples

#[derive(Default, Serialize, Deserialize)]
struct MySessionType {
    items: Vec<String>,
}

fn my_handler(state: State) -> (State, Response<Body>) {
    // The `Router` has a `NewSessionMiddleware<_, MySessionType>` in a pipeline which is
    // active for this handler.
    let body = {
        let session = SessionData::<MySessionType>::borrow_from(&state);
        format!("{:?}", session.items)
    };

    let response = create_response(&state,
                                   StatusCode::OK,
                                   mime::TEXT_PLAIN,
                                   body);

    (state, response)
}

Implementations§

Discards the session, invalidating it for future use and removing the data from the Backend.

Trait Implementations§

The resulting type after dereferencing.
Dereferences the value.
Mutably dereferences the value.

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.