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      std::get(std::array)

      De cppreference.com
      < cpp‎ | container‎ | array

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      C++
       
      Bibliothèque de conteneurs
       
      std::array
      Les fonctions membres
      Original:
      Member functions
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      Elément d'accès
      Original:
      Element access
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      array::at
      array::operator[]
      array::front
      array::back
      array::data
      Les itérateurs
      Original:
      Iterators
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      array::begin
      array::cbegin
      array::end
      array::cend
      array::rbegin
      array::crbegin
      array::rend
      array::crend
      Capacité
      Original:
      Capacity
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      array::empty
      array::size
      array::max_size
      Modificateurs
      Original:
      Modifiers
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      array::fill
      array::swap
      Tiers fonctions
      Original:
      Non-member functions
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      get
      swap
      Classes d'aide
      Original:
      Helper classes
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      tuple_size
      tuple_element
       
      template<size_t I, class T, size_t N >
      T& get( array<T,N>& a );
      		 (1) (depuis C++11)
      template<size_t I, class T, size_t N >
      T&& get( array<T,N>&& a );
      		 (2) (depuis C++11)
      template<size_t I, class T, size_t N >
      const T& get(const array<T,N>& a );
      		 (3) (depuis C++11)
      Extraits de l'élément element Ith à partir du tableau .
      Original:
      Extracts the Ith element element from the array.
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      I doit être une valeur entière dans [0, N) gamme. Ceci est renforcé lors de la compilation plutôt que at() ou operator[]() .
      Original:
      I must be an integer value in range [0, N). This is enforced at compile time as opposed to at() or operator[]().
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      Sommaire

      [modifier]Paramètres

      a -
      tableau dont le contenu à extraire
      Original:
      array whose contents to extract
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      [modifier]Retourne la valeur

      1)
      Référence à l'élément de Itha .
      Original:
      Reference to the Ith element of a.
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      2)
      Rvalue référence à l'élément de Itha, sauf si l'élément est de type référence lvalue, auquel cas lvalue référence est renvoyé .
      Original:
      Rvalue reference to the Ith element of a, unless the element is of lvalue reference type, in which case lvalue reference is returned.
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      3)
      Référence const à l'élément de Itha .
      Original:
      Const reference to the Ith element of a.
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      [modifier]Exceptions

      noexcept specification:  
      noexcept
         (depuis C++11)

      [modifier]Exemple

      #include <iostream>#include <array>   int main(){std::array<int, 3> arr;   // set values:std::get<0>(arr)=1;std::get<1>(arr)=2;std::get<2>(arr)=3;   // get values:std::cout<<"("<<std::get<0>(arr)<<", "<<std::get<1>(arr)<<", "<<std::get<2>(arr)<<")\n";}

      Résultat : 

      (1, 2, 3)

      [modifier]Voir aussi

      		 accède à l'élément spécifié
      (fonction membre publique)[edit]
      		 accède à l'élément spécifié avec vérification de bornes
      (fonction membre publique)[edit]
      tuple accède élément spécifié
      Original:
      tuple accesses specified element
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      (fonction générique)[edit]
      (C++11)
      accède à un élément d'un pair
      Original:
      accesses an element of a pair
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      (fonction générique)[edit]
      Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/container/array/get&oldid=47691 »
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