Listing 2: Extract from stlsoft_constraints.h.
/* /////////////////////////////////////////////////////////////
* Extract from stlsoft_constraints.h
* www: http://www.stlsoft.org/
* Copyright (C) 2002-2003, Synesis Software Pty Ltd.
* (Licensed under the Synesis Software Standard Source License:
* http://www.synesis.com.au/licenses/ssssl.html)
* ////////////////////////////////////////////////////////// */
template <typename T>
union type_is_non_class_or_trivial_class
{
T t;
int i;
// ctor is required to satisy Metrowerks
type_is_non_class_or_trivial_class()
{}
};
#define stlsoft_constraint_type_is_non_class_or_trivial_class(_T) \
stlsoft_static_assert( \
sizeof( \
stlsoft::type_is_non_class_or_trivial_class<_T>) != 0)
/* ////////////////////////////////////////////////////////// */