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// **************************************************************************
// * This file is part of the zenXML project. It is distributed under the *
// * Boost Software License, Version 1.0. See accompanying file *
// * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt. *
// * Copyright (C) 2011 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
#ifndef ASSERTSTATIC_H_INCLUDED
#define ASSERTSTATIC_H_INCLUDED
//compile time assert based on Loki (http://loki-lib.sourceforge.net)
#ifdef NDEBUG
#define assert_static(x) //((void)0) -> leads to error when seen in namespace scope!
#else /* debugging enabled */
namespace StaticCheckImpl
{
template<int>
struct CompileTimeError;
template<>
struct CompileTimeError<true> {};
}
#define LOKI_CONCAT( X, Y ) LOKI_CONCAT_SUB( X, Y )
#define LOKI_CONCAT_SUB( X, Y ) X##Y
#define assert_static(expr) \
enum { LOKI_CONCAT(loki_enum_dummy_value, __LINE__) = sizeof(StaticCheckImpl::CompileTimeError<static_cast<bool>(expr) >) }
/*#define assert_static(expr) \
{ Loki::CompileTimeError<((expr) != 0)> Static_Assert_Has_Failed; (void)Static_Assert_Has_Failed; } */
#endif
#endif //ASSERTSTATIC_H_INCLUDED
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