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fix for sfinae-friendliness issue

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denzor200
2022-12-16 19:57:12 +04:00
parent b2acaacaaf
commit 2b4e2922ae
1 changed files with 5 additions and 4 deletions
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9
include/boost/pfr/traits.hpp
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@@ -36,15 +36,16 @@ namespace boost { namespace pfr {
template<class T, class WhatFor>
struct is_reflectable { /* do not has 'value' because value is unknown */ };
// TODO: need tests to show that these specs are sfinae-friendly
// these specs can't be inherited from 'std::integral_constant< bool, boost::pfr::is_reflectable<T, WhatFor>::value >',
// because it will break the sfinae-friendliness
template<class T, class WhatFor>
struct is_reflectable<const T, WhatFor> : std::integral_constant< bool, boost::pfr::is_reflectable<T, WhatFor>::value > {};
struct is_reflectable<const T, WhatFor> : boost::pfr::is_reflectable<T, WhatFor> {};
template<class T, class WhatFor>
struct is_reflectable<volatile T, WhatFor> : std::integral_constant< bool, boost::pfr::is_reflectable<T, WhatFor>::value > {};
struct is_reflectable<volatile T, WhatFor> : boost::pfr::is_reflectable<T, WhatFor> {};
template<class T, class WhatFor>
struct is_reflectable<const volatile T, WhatFor> : std::integral_constant< bool, boost::pfr::is_reflectable<T, WhatFor>::value > {};
struct is_reflectable<const volatile T, WhatFor> : boost::pfr::is_reflectable<T, WhatFor> {};
#if BOOST_PFR_ENABLE_IMPLICITLY_REFLECTION
/// Checks the input type for the potential to be reflected.