<commit_before>pub fn hello(name: Option<&str>) -> String {
    match name {
        Some(ref n) => format!("Hello, {}!", n),
        None => "Hello, World!".to_string(),
    }
}
<commit_msg>hello-world: No need to use `ref` on a `&str`<commit_after>pub fn hello(name: Option<&str>) -> String {
    match name {
        Some(n) => format!("Hello, {}!", n),
        None => "Hello, World!".to_string(),
    }
}

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{'dir': 'git-commits-cleaned', 'id': '4916439', 'n_tokens_mistral': 146, 'n_tokens_neox': 145, 'n_words': 35}