Method len

datafusion/physical-expr-common/src/binary_map.rs:83–85

Returns the total number of distinct values (including nulls) seen so far

(&self)

    /// Returns the total number of distinct values (including nulls) seen so far
    pub fn len(&self) -> usize {
        self.0.len()
    }

    pub fn is_empty(&self) -> bool {
        self.0.is_empty()