baeac8ce87
Avoid Clang flooding with non-disableable warnings like: T does not declare any constructor to initialize its non-modifiable members when compiling with concepts check enabled. Bug 41759: `warn_no_constructor_for_refconst` can not be disabled (Boost.ConceptCheck) https://bugs.llvm.org/show_bug.cgi?id=41759
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
//
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// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See 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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//
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// FIXME: Avoid Clang's flooding of non-disableable warnings like:
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// "T does not declare any constructor to initialize its non-modifiable members"
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// when compiling with concepts check enabled.
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// See https://bugs.llvm.org/show_bug.cgi?id=41759
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#if !defined(BOOST_GIL_USE_CONCEPT_CHECK) && !defined(__clang__)
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#error Compile with BOOST_GIL_USE_CONCEPT_CHECK defined
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#endif
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#include <boost/gil.hpp>
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#include <boost/concept_check.hpp>
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#include <boost/mp11.hpp>
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#include "test_fixture.hpp"
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namespace gil = boost::gil;
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namespace mp11 = boost::mp11;
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using boost::function_requires;
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template <template<typename> class Concept>
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struct assert_concept
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{
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template <typename Pixel>
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void operator()(Pixel&&)
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{
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function_requires<Concept<Pixel>>();
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}
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};
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template <template<typename> class Concept, typename... Pixels>
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void test_concept()
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{
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mp11::mp_for_each<Pixels...>(assert_concept<Concept>());
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}
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int main()
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{
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test_concept<gil::PixelConcept, gil::test::fixture::pixel_typedefs>();
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test_concept<gil::MutablePixelConcept, gil::test::fixture::pixel_typedefs>();
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using rgb565_pixel_t = gil::packed_pixel_type
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<
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std::uint16_t,
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mp11::mp_list_c<unsigned, 5, 6, 5>,
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gil::rgb_layout_t
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>::type;
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function_requires<gil::PixelConcept<rgb565_pixel_t>>();
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function_requires<gil::PixelValueConcept<rgb565_pixel_t>>();
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using bgr556_pixel_t = gil::packed_pixel_type
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<
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std::uint16_t,
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mp11::mp_list_c<unsigned, 5, 6, 5>,
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gil::bgr_layout_t>::type;
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function_requires<gil::PixelConcept<bgr556_pixel_t>>();
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function_requires<gil::PixelValueConcept<bgr556_pixel_t>>();
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function_requires<gil::PixelsCompatibleConcept<rgb565_pixel_t, bgr556_pixel_t>>();
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return 0;
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}
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