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-rw-r--r--extractor/phrase_builder.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/extractor/phrase_builder.h b/extractor/phrase_builder.h
index a49af457..2956fd35 100644
--- a/extractor/phrase_builder.h
+++ b/extractor/phrase_builder.h
@@ -6,6 +6,8 @@
using namespace std;
+namespace extractor {
+
class Phrase;
class Vocabulary;
@@ -21,4 +23,6 @@ class PhraseBuilder {
shared_ptr<Vocabulary> vocabulary;
};
+} // namespace extractor
+
#endif