1 files changed, 10 insertions, 0 deletions
diff --git a/traveler/Traveler.cc b/traveler/Traveler.cc
index e365b28..f503f30 100644
--- a/traveler/Traveler.cc
+++ b/traveler/Traveler.cc
@@ -1,6 +1,16 @@
 #include "Traveler.hh"
+#include "BaseNode.hh"
 
 namespace pcc {
 Traveler::Traveler(std::ostream& out)
     : out_(out) {}
+
+void Traveler::Travel(std::shared_ptr<BaseNode> root) {
+    PreTravel();
+    root->Travel(*this);
+    PostTravel();
+}
+
+void Traveler::PreTravel() {}
+void Traveler::PostTravel() {}
 } // namespace pcc