1 files changed, 12 insertions, 0 deletions
diff --git a/extractor/phrase.h b/extractor/phrase.h
index 5a5124d9..f40a8169 100644
--- a/extractor/phrase.h
+++ b/extractor/phrase.h
@@ -1,6 +1,7 @@
 #ifndef _PHRASE_H_
 #define _PHRASE_H_
 
+#include <iostream>
 #include <string>
 #include <vector>
 
@@ -20,6 +21,17 @@ class Phrase {
 
   int GetSymbol(int position) const;
 
+  //TODO(pauldb): Unit test this method.
+  int GetNumSymbols() const;
+
+  //TODO(pauldb): Add unit tests.
+  vector<string> GetWords() const;
+
+  //TODO(pauldb): Add unit tests.
+  int operator<(const Phrase& other) const;
+
+  friend ostream& operator<<(ostream& os, const Phrase& phrase);
+
  private:
   vector<int> symbols;
   vector<int> var_pos;