Code reviewHardcr-g173

Subject Memory safetyLevel Senior–Staff~35 minCommon in Concurrency interviewsIndustries Software development

Question

Review this Rust code that shares a slice with a scoped-looking thread.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.

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Code to reviewrust

1use std::thread;2 3fn process(data: &[u8]) -> u32 {4    data.iter().map(|&b| b as u32).sum()5}6 7fn run() -> u32 {8    let buf = vec![1u8, 2, 3, 4];9    let r = &buf;10    let handle = thread::spawn(move || process(r));11    let total = handle.join().unwrap();12    drop(buf);13    total14}

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