clean up

1 files changed, 9 insertions, 0 deletions

diff --git a/src/regex/dfa.rs b/src/regex/dfa.rs
index c55d99d..78a216c 100644
--- a/src/regex/dfa.rs
+++ b/src/regex/dfa.rs
@@ -374,6 +374,15 @@ impl DFA {
     pub fn minify(&mut self) {
         for state in self.states.iter_mut() {
             state.trans.retain(|_, to| *to != state.default_trans);
+            if state.trans.len() == 1
+                && state
+                    .trans
+                    .iter()
+                    .all(|t| *t.0 == ByteRange::new_range(0, 255))
+            {
+                state.default_trans = state.trans.iter().map(|x| *x.1).next().unwrap();
+                state.trans.clear();
+            }
         }
 
         self.hopcroft_minimization();