Optimize start lookup

1 files changed, 1 insertions, 0 deletions

diff --git a/bnf.h b/bnf.h
index 0430a2c..e5c62ed 100644
--- a/bnf.h
+++ b/bnf.h
@@ -30,3 +30,4 @@ struct PairHash {
 std::unordered_set<std::pair<std::string, size_t>, PairHash> getEmptyPositions(const BNF& bnf);
 
 std::unordered_map<std::string, std::unordered_set<std::pair<std::string, index_t>, PairHash>> reversePosFirst(const BNF& bnf); // like reverseFirstPos, but including variant
+