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Use class keyword in std::tuple_size and std::tuple_element specializations

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To avoid warnings 'X defined as a struct template but previously declared as a class template'.
This commit is contained in:
Adam Wulkiewicz
2018-01-06 12:40:55 +01:00
committed by GitHub
parent b8e982cd6f
commit 30794afc61
1 changed files with 10 additions and 7 deletions
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17
include/boost/tuple/tuple.hpp
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@ -79,28 +79,31 @@ namespace std
// std::tuple_size
template<class T1, class T2, class T3, class T4, class T5, class T6, class T7, class T8, class T9, class T10>
struct tuple_size< boost::tuples::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> >:
boost::tuples::length< boost::tuples::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> >
class tuple_size< boost::tuples::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> >:
public boost::tuples::length< boost::tuples::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> >
{
};
template<class H, class T> struct tuple_size< boost::tuples::cons<H, T> >: boost::tuples::length< boost::tuples::cons<H, T> >
template<class H, class T> class tuple_size< boost::tuples::cons<H, T> >:
public boost::tuples::length< boost::tuples::cons<H, T> >
{
};
template<> struct tuple_size< boost::tuples::null_type >: boost::tuples::length< boost::tuples::null_type >
template<> class tuple_size< boost::tuples::null_type >:
public boost::tuples::length< boost::tuples::null_type >
{
};
// std::tuple_element
template<std::size_t I, class T1, class T2, class T3, class T4, class T5, class T6, class T7, class T8, class T9, class T10>
struct tuple_element< I, boost::tuples::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> >:
boost::tuples::element< I, boost::tuples::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> >
class tuple_element< I, boost::tuples::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> >:
public boost::tuples::element< I, boost::tuples::tuple<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> >
{
};
template<std::size_t I, class H, class T> struct tuple_element< I, boost::tuples::cons<H, T> >: boost::tuples::element< I, boost::tuples::cons<H, T> >
template<std::size_t I, class H, class T> class tuple_element< I, boost::tuples::cons<H, T> >:
public boost::tuples::element< I, boost::tuples::cons<H, T> >
{
};