Total number of columns.
(&self)
| 99 | |
| 100 | /// Total number of columns. |
| 101 | pub fn column_count(&self) -> usize { |
| 102 | self.f64_columns.len() + self.i64_columns.len() + self.string_columns.len() |
| 103 | } |
| 104 | |
| 105 | /// Estimated memory usage in bytes. |
| 106 | pub fn estimated_memory_bytes(&self) -> usize { |