rust-systems

---
name: rust-systems
description: Rust systems programming patterns including ownership, traits, async runtime, error handling, and unsafe guidelines
---

# Rust Systems

## Ownership and Borrowing

```rust
fn process_data(data: &[u8]) -> Vec<u8> {
    data.iter().map(|b| b.wrapping_add(1)).collect()
}

fn modify_in_place(data: &mut Vec<u8>) {
    data.retain(|b| *b != 0);
    data.sort_unstable();
}

fn take_ownership(data: Vec<u8>) -> Vec<u8> {
    let mut result = data;
    result.push(0xFF