Check if any prefix is present.
(&self)
| 555 | |
| 556 | /// Check if any prefix is present. |
| 557 | pub fn is_empty(&self) -> bool { |
| 558 | self.group1.is_none() |
| 559 | && self.group2.is_none() |
| 560 | && self.group3.is_none() |
| 561 | && self.group4.is_none() |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | pub enum Group1Prefix { |