zbackup/static_assert.hh

29 lines
624 B
C++

// Copyright (c) 2012-2013 Konstantin Isakov <ikm@zbackup.org>
// Part of ZBackup. Licensed under GNU GPLv2 or later
#ifndef STATIC_ASSERT_HH_INCLUDED__
#define STATIC_ASSERT_HH_INCLUDED__
// Based on the one from the Boost library. It wouldn't make sense to depend on
// boost just for that
namespace StaticAssert {
template < bool >
struct AssertionFailure;
template <>
struct AssertionFailure< true >
{};
template< int > struct Test
{};
}
#define STATIC_ASSERT( B ) \
typedef ::StaticAssert::Test< \
sizeof( ::StaticAssert::AssertionFailure< bool( B ) > ) >\
static_assert_typedef_ ## __LINE__
#endif