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Rust vs Python:例外処理

Last updated at Posted at 2023-05-26

例外処理 in Python

def raise_exception():
    raise Exception("例外が発生しました")

def main():
    try:
        raise_exception()
    except Exception as e:
        print("Exception: {}".format(e))


if __name__ == "__main__":
    main()

例外処理 in Rust

fn raise_exception() -> Result<(), String> {
    Err("例外が発生しました".to_string())
}


fn main() {
    match raise_exception() {
        Ok(_) => println!("OK"),
        Err(e) => println!("Error: {}", e),
    }
}
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