diff options
| -rw-r--r-- | chain/src/atom/default.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/chain/src/atom/default.rs b/chain/src/atom/default.rs index 317090e..bd71c1c 100644 --- a/chain/src/atom/default.rs +++ b/chain/src/atom/default.rs @@ -115,6 +115,22 @@ impl DefaultAtom { )?) } + /// Print nullable nodes. + pub(crate) fn print_nullables(&self) { + print!("printing nullables for the atom: "); + + for nullable in self + .accepting_vec + .iter() + .enumerate() + .filter_map(|(index, pred)| (*pred).then(|| index)) + { + print!("{nullable}, "); + } + + println!(); + } + /// Print the underlying NFA. pub fn print_nfa<S: AsRef<str>>(&self, filename: S) -> Result<(), std::io::Error> { self.nfa.print_viz(filename.as_ref())?; |