Method non_null_len

datafusion/physical-expr-common/src/binary_map.rs:92–94

returns the total number of distinct values (not including nulls) seen so far

(&self)

    /// returns the total number of distinct values (not including nulls) seen so far
    pub fn non_null_len(&self) -> usize {
        self.0.non_null_len()
    }

    /// Return the total size, in bytes, of memory used to store the data in
    /// this set, not including `self`