--- /dev/null
+#pragma once
+
+#include <boost/variant/static_visitor.hpp>
+
+#include "mstch/mstch.hpp"
+#include "has_token.hpp"
+
+namespace mstch {
+
+class get_token: public boost::static_visitor<const mstch::node&> {
+ public:
+ get_token(const std::string& token, const mstch::node& node):
+ m_token(token), m_node(node)
+ {
+ }
+
+ template<class T>
+ const mstch::node& operator()(const T&) const {
+ return m_node;
+ }
+
+ const mstch::node& operator()(const map& map) const {
+ return map.at(m_token);
+ }
+
+ const mstch::node& operator()(const std::shared_ptr<object>& object) const {
+ return object->at(m_token);
+ }
+
+ private:
+ const std::string& m_token;
+ const mstch::node& m_node;
+};
+
+}