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#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
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