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-rw-r--r--extractor/phrase_builder.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/extractor/phrase_builder.h b/extractor/phrase_builder.h
index f01cb23b..a49af457 100644
--- a/extractor/phrase_builder.h
+++ b/extractor/phrase_builder.h
@@ -15,6 +15,8 @@ class PhraseBuilder {
Phrase Build(const vector<int>& symbols);
+ Phrase Extend(const Phrase& phrase, bool start_x, bool end_x);
+
private:
shared_ptr<Vocabulary> vocabulary;
};