Lesson
standard-traits
This lesson teaches Standard traits: the syntax, APIs, and habits you need before advancing in Rust.
Traits are Rust’s abstraction for shared behavior—like interfaces plus generics, enforced at compile time.
You will apply Standard traits in contexts like: Infrastructure CLIs, proxies, game engines, blockchain nodes, and latency-sensitive backends.
Write Rust with fn main(), click Run on server—the dev runner compiles main.rs with rustc and runs the binary; fix borrow errors from stderr (requires Rust toolchain; LEARNING_RUNNER_ENABLED=true).
When you can explain the previous lesson's ideas without copying starter code.
Common traits: Debug, Display, Clone, Copy, PartialEq, Default, From/Into. Derive macros auto-implement many for structs and enums.
#[derive(Debug, Clone, PartialEq)]
struct User { name: String }Can you explain this lesson in 30 seconds without reading notes?
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Runs on the configured server runner (dev: npm run runner with LEARNING_RUNNER_ENABLED=true). Output appears below the editor.
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Server runner is disabled. Set LEARNING_RUNNER_ENABLED=true and LEARNING_RUNNER_URL in .env (see .env.example).
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