static BSPACE_CHAR: char = '#';

pub fn stack_based(arg1: &String, arg2: &String) -> bool {
    let process_string = |s: &String| -> String {
        let mut result = String::with_capacity(s.len());

        for c in s.chars() {
            if c != BSPACE_CHAR {
                result.push(c);
            } else {
                result.pop();
            }
        }
        result
    };

    process_string(arg1) == process_string(arg2)
}

#[cfg(test)]
mod tests {
    #[test]
    fn stack_based_test() {
        assert_eq!(
            super::stack_based(&String::from("K#Test##+#"), &String::from("Test##ξ#")),
            true
        );
        assert_eq!(
            super::stack_based(&String::from("##деленe#ити"), &String::from("делениy#ти")),
            true
        );
    }
}

fn main() {
}