Actix Web·Actix Web essentials

State

Shared application state is registered and extracted.

Advanced 10 min read Lesson 3 of 150 Challenge included
What you will be able to do
  • Use web::Data.
  • Wrap with Arc if needed.
  • Keep state immutable.

In plain English

Shared application state is registered and extracted.

  • Use web::Data.
  • Wrap with Arc if needed.
  • Keep state immutable.
state.rsRust
let state = web::Data::new(AppState { name: "edubyte" });
App::new().app_data(state.clone())
Your turn

Explain it back

Easy

Answer from memory: Which extractor reads app state?

TEXT · starter
Your answer…
Check your understanding before moving on.
Knowledge checkQuestion 1

Which extractor reads app state?

Select an answer to continue
Study tools

Make it yours.

Keep a private note for this lesson, then turn the key ideas into flashcards you can revisit.

Sign in to save notes and flashcards.Both are private to your account and stay with your progress.
Sign in
Finished reading?

Lock in what you just learned.

Mark this lesson complete to save your place and move one step closer to the certificate.

Next: Middleware
Lesson 3 of 150 · 0% of course