config/test/boost_no_explicit_cvt_ops.ipp

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// (C) Copyright Beman Dawes 2008
// Use, modification and distribution are subject to 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)
// See http://www.boost.org/libs/config for more information.
// MACRO: BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
// TITLE: C++0x explicit conversion operators unavailable
// DESCRIPTION: The compiler does not support C++0x explicit conversion operators
#if defined(__GNUC__) && !defined(__GXX_EXPERIMENTAL_CXX0X__) && !defined(BOOST_INTEL_STDCXX0X)
# error This feature is not available in non-C++0x mode
#endif
namespace boost_no_cxx11_explicit_conversion_operators {
void quiet_warning(int){}
struct foo {
explicit operator int() { return 1; }
};
int test()
{
foo f;
int i = int(f);
quiet_warning(i);
return 0;
}
}