std::tuple_element<std::array>

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Defined in header <tuple>

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template< std::size_t I, class T >
class tuple_element; /* undefined */

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<td > (1) </td> <td > (since C++11) </td> </tr> <tr class="t-dcl ">

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template< std::size_t I, class... Types >
class tuple_element< I, tuple<Types...> >;

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<td > (2) </td> <td > (since C++11) </td> </tr> <tr class="t-dcl ">

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template< std::size_t I, class T >

class tuple_element< I, const T > {
  typedef typename
      std::add_const<typename std::tuple_element<I, T>::type>::type type;

};

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<td > (3) </td> <td > (since C++11) </td> </tr> <tr class="t-dcl ">

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template< std::size_t I, class T >

class tuple_element< I, volatile T > {
  typedef typename
      std::add_volatile<typename std::tuple_element<I, T>::type>::type type;

};

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<td > (4) </td> <td > (since C++11) </td> </tr> <tr class="t-dcl ">

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template< size_t I, class T >

class tuple_element< I, const volatile T > {
  typedef typename
      std::add_cv<typename std::tuple_element<I, T>::type>::type type;

};

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<td > (5) </td> <td > (since C++11) </td> </tr> Template:ddcl list end

Provides compile-type indexed access to the types of the elements of the tuple.

See also

Template:cpp/container/array/dcl list tuple element

std::tuple_element<std::pair> (C++11)

obtains the type of the elements of pair (class template specialization)