INNER CODE UNIT · Rust

select_pages

edwardkim/rhwp · bindings/Native/src/lib.rs:376

fn select_pages(page_count: u32, target_page: Option<u32>) -> Result<Vec<u32>, String> {
    if page_count == 0 {
        return Err("문서에 페이지가 없습니다.".to_string());
    }

    match target_page {
        Some(page) if page >= page_count => Err(format!(
            "페이지 번호가 범위를 벗어났습니다 (0~{})",
            page_count - 1
        )),
        Some(page) => Ok(vec![page]),
        None => Ok((0..page_count).collect()),
    }
}

fn normalize_page(page: i32) -> Result<Option<u32>, String> {
    if page == ALL_PAGES {
        Ok(None)

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