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| author | Melody Horn <melody@boringcactus.com> | 2021-04-01 12:36:14 -0600 |
|---|---|---|
| committer | Melody Horn <melody@boringcactus.com> | 2021-04-01 12:36:14 -0600 |
| commit | a2066ced1fb3bf782514a439ad0981fcb1f0df51 (patch) | |
| tree | 1f91d1745ed3cabe680e41993749f26fc8c03ae5 /bird-machine-macros/src | |
| parent | 5ea07dac9cbdda5333a77b0b90cec8cf5465131a (diff) | |
| download | bird-machine-a2066ced1fb3bf782514a439ad0981fcb1f0df51.tar.gz bird-machine-a2066ced1fb3bf782514a439ad0981fcb1f0df51.zip | |
don't put duplicates on the queue
Diffstat (limited to 'bird-machine-macros/src')
| -rw-r--r-- | bird-machine-macros/src/dfa.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/bird-machine-macros/src/dfa.rs b/bird-machine-macros/src/dfa.rs index 0aec059..6f5e6f7 100644 --- a/bird-machine-macros/src/dfa.rs +++ b/bird-machine-macros/src/dfa.rs @@ -49,7 +49,7 @@ impl From<NFA> for LabeledDFA<BTreeSet<usize>> { } for states in next_table.values() { - if !transition_table.contains_key(states) { + if !transition_table.contains_key(states) && !queue.contains(states) { queue.push_back(states.clone()); } } |