Method is_null

arrow-csv/src/reader/mod.rs:208–213

(&self, s: &str)

    /// the provided regular expression.
    #[inline]
    fn is_null(&self, s: &str) -> bool {
        match &self.0 {
            Some(r) => r.is_match(s),
            None => s.is_empty(),
        }
    }
}

#[derive(Default, Copy, Clone)]