forked from boostorg/mpl
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/assert_is_same.hpp header file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2000-02
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// Aleksey Gurtovoy
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_MPL_ASSERT_IS_SAME_HPP_INCLUDED
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#define BOOST_MPL_ASSERT_IS_SAME_HPP_INCLUDED
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#include "boost/static_assert.hpp"
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#include "boost/type_traits/same_traits.hpp"
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namespace boost {
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namespace mpl {
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// the following macros are shortcuts for some often-used but verbose forms
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// of static asserts
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// tokenization takes place before macro expansion (see 2.1 [lex.phases]
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// para 3-4), so, strictly speaking, spaces between '<', 'type1', and
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// 'type2', '>' tokens below are not required; they are needed in practice,
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// though, because there is at least one compiler (MSVC 6.5) that does not
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// conform to the standard here
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#define BOOST_MPL_ASSERT_IS_SAME(type1, type2) \
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BOOST_STATIC_ASSERT((::boost::is_same< type1, type2 >::value)) \
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/**/
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#define BOOST_MPL_ASSERT_NOT_SAME(type1, type2) \
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BOOST_STATIC_ASSERT(!(::boost::is_same< type1, type2 >::value)) \
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/**/
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_ASSERT_IS_SAME_HPP_INCLUDED
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