pub struct StringUtils;

impl StringUtils {
    pub fn is_empty(s: &str) -> bool {
        s.is_empty()
    }

    pub fn eq(a: &str, b: &str) -> bool {
        a == b
    }

    pub fn like(a: &str, b: &str) -> Option<usize> {
        a.rfind(b)
    }
}
