rustlings 6.5.0

Small exercises to get you used to reading and writing Rust code!
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// Tests are important to ensure that your code does what you think it should
// do.

fn is_even(n: i64) -> bool {
    n % 2 == 0
}

fn main() {
    // You can optionally experiment here.
}

#[cfg(test)]
mod tests {
    // TODO: Import `is_even`. You can use a wildcard to import everything in
    // the outer module.

    #[test]
    fn you_can_assert() {
        // TODO: Test the function `is_even` with some values.
        assert!();
        assert!();
    }
}