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diff --git a/zto/node/NonCopyable.hpp b/zto/node/NonCopyable.hpp
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+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2016  ZeroTier, Inc.  https://www.zerotier.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ZT_NONCOPYABLE_HPP__
+#define ZT_NONCOPYABLE_HPP__
+
+namespace ZeroTier {
+
+/**
+ * A simple concept that belongs in the C++ language spec
+ */
+class NonCopyable
+{
+protected:
+	NonCopyable() throw() {}
+private:
+	NonCopyable(const NonCopyable&);
+	const NonCopyable& operator=(const NonCopyable&);
+};
+
+} // namespace ZeroTier
+
+#endif