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Allow incomplete types in fusion::tag_of and fusion::is_native_fusion_sequence

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Louis Dionne
2018-02-28 20:03:07 -08:00
parent f61bffb21f
commit 82f677c169
5 changed files with 45 additions and 3 deletions
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17
test/support/is_sequence.cpp Normal file
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/*=============================================================================
Copyright (c) 2018 Louis Dionne
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)
==============================================================================*/
#include <boost/fusion/support/is_sequence.hpp>
#include <boost/static_assert.hpp>
// Make sure fusion::is_sequence and fusion::is_native_fusion_sequence can be
// used with an incomplete type.
struct incomplete;
BOOST_STATIC_ASSERT(!boost::fusion::traits::is_sequence<incomplete>::value);
BOOST_STATIC_ASSERT(!boost::fusion::traits::is_native_fusion_sequence<incomplete>::value);
int main() { }