Index: src/libchcore/TSharedModificationTracker.h
===================================================================
diff -u -N -r19925be73ffcadd9f345f10e03e55aadb3f0eeac -ra44714d5c7ec0f50a376f4d0ea919ee5a224f834
--- src/libchcore/TSharedModificationTracker.h	(.../TSharedModificationTracker.h)	(revision 19925be73ffcadd9f345f10e03e55aadb3f0eeac)
+++ src/libchcore/TSharedModificationTracker.h	(.../TSharedModificationTracker.h)	(revision a44714d5c7ec0f50a376f4d0ea919ee5a224f834)
@@ -27,6 +27,9 @@
 class TSharedModificationTracker
 {
 public:
+	typedef T value_type;
+
+public:
 	TSharedModificationTracker(Bitset& rBitset) :
 		m_tValue(),
 		m_rBitset(rBitset)