WIP: Resolve "std::set and std::map instead of std::list in wolf nodes"

Closes #213 (closed)

include/core/common/wolf.h

@@ -23,6 +23,7 @@
 #include <list>
 #include <map>
 #include <memory> // shared_ptr and weak_ptr
+#include <set>
 
 // System specifics
 #include <sys/stat.h>
@@ -243,6 +244,12 @@ WOLF_PTR_TYPEDEFS(TrajectoryBase);
 WOLF_PTR_TYPEDEFS(FrameBase);
 WOLF_LIST_TYPEDEFS(FrameBase);
 
+struct FrameComp{
+    bool operator() (const FrameBasePtr& lhs, const FrameBasePtr& rhs) const;
+};
+typedef std::set<FrameBasePtr, FrameComp> FrameList;
+typedef std::set<FrameBasePtr, FrameComp>::const_iterator FrameListIter;
+typedef std::set<FrameBasePtr, FrameComp>::const_reverse_iterator FrameListRevIter;
 // - Capture
 WOLF_PTR_TYPEDEFS(CaptureBase);
 WOLF_LIST_TYPEDEFS(CaptureBase);