however

src/util/listutil.hpp

@@ -0,0 +1,18 @@
+#ifndef UTIL_LISTUTIL_H_
+#define UTIL_LISTUTIL_H_
+
+#include <algorithm>
+#include <vector>
+#include <string>
+#include <queue>
+
+namespace util {
+    template<class T>
+    bool contains(const std::vector<T>& vec, const T& value) {
+        return std::find(vec.begin(), vec.end(), value) != vec.end();
+    }
+
+    std::string to_string(const std::vector<std::string>& vec);
+}
+
+#endif // UTIL_LISTUTIL_H_