Share Rust code with CodeThis

What you get

• Rust-aware syntax highlighting via CodeMirror
• Instant shareable link — no signup required
• Optional expiration (7 days, 30 days, permanent)
• Password protection for private pastes
• Works with the REST API and MCP server
• Rich markdown and MDC components alongside code

Common use cases for Rust pastes

• Minimal reproductions for compiler errors
• Algorithm benchmarks
• Trait and macro examples
• FFI and unsafe demos

Example

fn fibonacci(n: u32) -> u64 {
    let (mut a, mut b) = (0u64, 1u64);
    for _ in 0..n {
        let next = a + b;
        a = b;
        b = next;
    }
    a
}