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-rw-r--r--extractor/linear_merger.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/extractor/linear_merger.h b/extractor/linear_merger.h
index 7bfb9246..6a69b804 100644
--- a/extractor/linear_merger.h
+++ b/extractor/linear_merger.h
@@ -26,6 +26,9 @@ class LinearMerger {
vector<int>::iterator suffix_start, vector<int>::iterator suffix_end,
int prefix_subpatterns, int suffix_subpatterns) const;
+ protected:
+ LinearMerger();
+
private:
shared_ptr<Vocabulary> vocabulary;
shared_ptr<DataArray> data_array;