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Add reference specializations to variant_size

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Peter Dimov
2019-02-21 21:57:39 +02:00
parent f67a6bd2ae
commit cf3ea64b45
2 changed files with 48 additions and 0 deletions
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8
include/boost/variant2/variant.hpp
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@@ -83,6 +83,14 @@ template<class T> struct variant_size<T const volatile>: variant_size<T>
{
};
template<class T> struct variant_size<T&>: variant_size<T>
{
};
template<class T> struct variant_size<T&&>: variant_size<T>
{
};
#if !defined(BOOST_NO_CXX14_VARIABLE_TEMPLATES)
template <class T> /*inline*/ constexpr std::size_t variant_size_v = variant_size<T>::value;