CodeRef. Rust & Python
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Rust reference library

Rust
cheat sheets.

HTTP services, async runtimes, and command-line tools. These references cover Axum, Tokio, and clap with Rust examples.

3 Rust guides

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Rust

Axum

HTTP routing and middleware

Routing, extractors, shared state, SQLx, SeaORM, authentication, and deployment.

RoutingExtractorsSQLx & SeaORMAuthentication
4 chapters 31 topicsExplore
Rust

Tokio

Async tasks, channels, and I/O

Futures, tasks, channels, timers, cancellation, networking, and graceful shutdown.

TasksChannelsCancellation
6 chapters 26 topicsExplore
Rust

clap

Command-line argument parsing

Typed arguments, subcommands, validation, help text, shell completions, and CLI tests.

ArgumentsSubcommandsOutput & errors
5 chapters 27 topicsExplore
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Parse an Axum requestRead path parameters, query strings, and JSON with typed extractors.Wait for async tasks in TokioCompare join!, try_join!, and select! with Rust examples.Build clap subcommandsGive each command its own typed arguments and handler.Shut down a Tokio serverStop accepting connections and let active tasks finish.Connect Axum to SQLxShare a connection pool and run queries from request handlers.Test a Rust CLICheck arguments and parse errors without exiting the test process.