Template lib for dealing with endian-specific data types

Just integers right now. And only big or little endian.

src/encode/endian.hpp

+/* Library to deal with big/little endian-specific data types */
+
+/****************************************************************************
+ * @format.tab-size 4		(Plain Text/Source Code File Header)			*
+ * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
+ *																			*
+ * Copyright Rob Swindell - http://www.synchro.net/copyright.html			*
+ *																			*
+ * This library is free software; you can redistribute it and/or			*
+ * modify it under the terms of the GNU Lesser General Public License		*
+ * as published by the Free Software Foundation; either version 2			*
+ * of the License, or (at your option) any later version.					*
+ * See the GNU Lesser General Public License for more details: lgpl.txt or	*
+ * https://www.gnu.org/licenses/old-licenses/lgpl-2.0.html					*
+ *																			*
+ * For Synchronet coding style and modification guidelines, see				*
+ * http://www.synchro.net/source.html										*
+ *																			*
+ * Note: If this box doesn't appear square, then you need to fix your tabs.	*
+ ****************************************************************************/
+
+#ifndef ENDIAN_HPP_
+#define ENDIAN_HPP_
+ 
+#include "xpendian.h"
+
+template <typename T>
+class BigEndInt {
+	T value{};
+public:
+	void operator = (T nval) {
+		value = BE_INT(nval);
+	}
+	T operator = (const BigEndInt&) {
+		return BE_INT(value);
+	}
+};
+
+template <typename T>
+class LittleEndInt {
+	T value{};
+public:
+	void operator = (T nval) {
+		value = LE_INT(nval);
+	}
+	T operator = (const LittleEndInt&) {
+		return LE_INT(value);
+	}
+};
+
+#endif // Don't add anything after this line