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    std::tuple_element<div class="t-tr-text"><std::tuple><div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig"><std::tuple></div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>

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    <metanoindex/>

     
    C++
     
    Utilities-Bibliothek
     
    std::tuple
    Member-Funktionen
    Original:
    Member functions
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    tuple::tuple
    tuple::operator=
    tuple::swap
    Non-Member-Funktionen
    Original:
    Non-member functions
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    make_tuple
    tie
    forward_as_tuple
    None
    operator=
    operator!=
    operator<
    operator<=
    operator>
    operator>=
    std::swap
    get
    Helper-Klassen
    Original:
    Helper classes
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    tuple_size
    tuple_element
    uses_allocator
    ignore
     
    <tbody> </tbody>
    definiert in Header <tuple>
    template< std::size_t I, class T > class tuple_element; /* undefined */
    		 (1) (seit C++11)
    template< std::size_t I, class... Types > class tuple_element< I, tuple<Types...> >;
    		 (2) (seit C++11)
    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; };
    		 (3) (seit C++11)
    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; };
    		 (4) (seit C++11)
    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; };
    		 (5) (seit C++11)
    Stellt der Kompilierung Typs indexiert Zugang zu den Arten der Elemente des Tupels .
    Original:
    Provides compile-type indexed access to the types of the elements of the tuple.
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    Mitglied Typen

    Mitglied Typ
    Original:
    Member type
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    		 Definition
    type
    die Art der Ith Element des Tupels, wo I in [0, sizeof...(Types))
    Original:
    the type of Ith element of the tuple, where I is in [0, sizeof...(Types))
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    Mögliche Implementierung

    template< std::size_t I, class T >
struct tuple_element;

// recursive case
template<std::size_t I, class Head, class... Tail >
struct tuple_element<I, std::tuple<Head, Tail...>>
    : std::tuple_element<I-1, std::tuple<Tail...>> { };

// base case
template< class Head, class... Tail >
struct tuple_element<0, std::tuple<Head, Tail...>> {
   typedef Head type;
};

    Beispiel

    This section is incomplete
    Reason: no example

    Siehe auch
    ermittelt die Art der Elemente der array
    Original:
    obtains the type of the elements of array
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    (class Template-Spezialisierung) [edit]
    (C++11)
    ermittelt die Art der Elemente der pair
    Original:
    obtains the type of the elements of pair
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    (class Template-Spezialisierung) [edit]