std::tuple_size<std::experimental::ranges::tagged>
From cppreference.com
< cpp | experimental | ranges | utility/tagged
| template< class Base, class... Tags > struct tuple_size<std::experimental::ranges::tagged<Base, Tags...>> |
(ranges TS) | |
The partial specialization of std::tuple_size for tagged provides the ability to obtain the number of elements in a tagged object using tuple-like syntax. It simply forwards to std::tuple_size<Base>.
Inherited from std::integral_constant
Member constants
| value [static] |
std::tuple_size<Base>::value (public static member constant) |
Member functions
| operator std::size_t |
converts the object to std::size_t, returns value (public member function) |
| operator() (C++14) |
returns value (public member function) |
Member types
| Type | Definition |
value_type
|
std::size_t |
type
|
std::integral_constant<std::size_t, value> |
See also
| (C++11) |
obtains the size of tuple at compile time (class template specialization) |
| (C++11) |
obtains the size of an array (class template specialization) |
| (C++11) |
obtains the size of a pair (class template specialization) |
obtains the types of the elements of a tagged (class template specialization) |