RUST Framework Advanced

Actor Framework in Rust

Design and implement a custom, trait-based, fully composable actor framework in Rust, built step by step from first principles.

Premium · 13h 2m · 6 ch

Practice →

What you'll build

We'll design and implement a complete actor framework in Rust from scratch — no external actor libraries, just async Rust primitives. Starting with the fundamental Actor trait, we'll progressively build a runtime, mailbox, context, address system, and event/interrupt/request-response patterns.

Along the way we'll explore key concurrency patterns: message passing via channels, trait-based polymorphism with async_trait, type-erased envelopes, lifecycle management with watch channels, and the Future trait for custom awaitable types. By the end, our framework supports fire-and-forget events, graceful interruption, and strongly-typed request-response interactions with a Calculator example to prove it all works.

Learning objectives

✓Understand the actor model and its Rust implementation

✓Build an async runtime with Tokio-based message passing

✓Design type-erased message envelopes for heterogeneous mailboxes

✓Implement actor lifecycle management with status tracking

✓Create an event system with typed handlers

✓Build a graceful interruption mechanism

✓Refactor a single crate into a Cargo workspace

✓Implement a request-response pattern with oneshot channels

✓Build a custom Future type for awaitable responses

Prerequisites

▸Rust fundamentals (traits, generics, ownership)

▸Basic async Rust (async/await, Tokio)

▸Familiarity with channels and message passing

Course curriculum

1 Essential Types for Actors

—Introduction and scaffolding

—Defining the Actor trait

2 Runtime for Actors

—Implementing an actor runtime

—Defining message handling

3 Lifecycle of Actors

—Detecting actor termination

—Adding actor running status

—Extracting messages

—Processing events

—Controlling an actor's lifetime

—Sending messages to an actor

—Interrupting actor execution

4 Events in Actors

—Events handling extension

—Testing events handling

—Adding a fallback method

—Adding a self-referenced address

—Move dependencies to the workspace

5 Interaction with Actors

—Adding the interaction trait

—Integrating with actors

—Sending a response

—Implementing an address extension

—Covering interaction with a test

6 Receiving responses

—Retrieving values from a receiver

—Handling responses asynchronously with OnResponse

Technologies

Rust Actor Model Async Trait Tokio Message Passing Concurrency Trait Object Type Erasure Oneshot Channel Future Cargo Workspace

FAQ

Is this a video course?

No. You work through the project step by step in your browser, and the reference code for each step saves to your disk — yours to run and keep locally.

Do I need to install anything?

No. The playground runs entirely in your browser — no toolchain or local setup required.

Can I try it before subscribing?

Yes. Preview steps are available without a subscription so you can see the format and quality first.

What do I get with full access?

Every step unlocked, the Workbench app, a snapshot for each step, jump-to-any-step navigation, and all new playground releases.

Does it work with an AI agent like Claude or Codex?

Yes. You can work through a playground solo or alongside an AI agent.

Is there reference code?

Yes. Every step has a complete reference solution you can compare against.