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-/*************************************************************************
- * Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
- * *
- * This file is part of The Dimension Library. *
- * *
- * The Dimension 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 3 of the *
- * License, or (at your option) any later version. *
- * *
- * The Dimension Library 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 *
- * Lesser General Public License for more details. *
- * *
- * You should have received a copy of the GNU Lesser General Public *
- * License along with this program. If not, see *
- * <http://www.gnu.org/licenses/>. *
- *************************************************************************/
-
-// Template utilities
-
-#ifndef DIMENSIONXX_UTILITY_HPP
-#define DIMENSIONXX_UTILITY_HPP
-
-namespace Dimension
-{
- // A constraint enforcing that T is a POD type by making it part of a union.
- // Taking the address of this function will cause a compile-time failure if
- // T is not a POD type.
- template <typename T>
- void POD_constraint();
-
- // POD constraint implementation
- template <typename T>
- void
- POD_constraint()
- {
- union
- {
- T t;
- } constraint;
- static_cast<void>(constraint); // Silence unused variable warning
- }
-}
-
-#endif // DIMENSIONXX_UTILITY_HPP