Systems rust recommended
Rust CLI Applications
Rust CLI application patterns covering clap argument parsing, error handling with anyhow/thiserror, async with tokio, configuration, and production-ready CLI design.
- Difficulty
- intermediate
- Read time
- 1 min read
- Version
- v1.0.0
- Confidence
- established
- Last updated
Quick Reference
Rust CLI: clap derive for args. anyhow for app errors, thiserror for library errors. tokio async runtime with #[tokio::main]. spawn_blocking for CPU work. Structured output (JSON flag). Exit codes for scripts. Progress bars with indicatif. Config files with directories crate. Graceful shutdown with ctrl-c.
Use When
- Building CLI tools in Rust
- Command-line utilities
- Developer tools
- System administration tools
Skip When
- GUI applications
- Web services (use axum/actix)
- Embedded systems
Rust CLI Applications
Rust CLI application patterns covering clap argument parsing, error handling with anyhow/thiserror, async with tokio, configuration, and production-ready CLI design.