std::get(std::array)
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<tbody> </tbody> 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'lment element
Ith partir du tableau . Original:
Extracts the
Ith element element from the array. The text has been machine-translated via Google Translate.
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I doit tre une valeur entire dans [0, N) gamme. Ceci est renforc lors de la compilation plutt 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[]().The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Paramtres
| a | - | tableau dont le contenu extraire
Original: array whose contents to extract The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Retourne la valeur
1)
Rfrence l'lment de
Ith a .Original:
Reference to the
Ith element of a.The text has been machine-translated via Google Translate.
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2)
Rvalue rfrence l'lment de
Ith a, sauf si l'lment est de type rfrence lvalue, auquel cas lvalue rfrence est renvoy .Original:
Rvalue reference to the
Ith element of a, unless the element is of lvalue reference type, in which case lvalue reference is returned.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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3)
Rfrence const l'lment de
Ith a .Original:
Const reference to the
Ith element of a.The text has been machine-translated via Google Translate.
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Exceptions
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";
}
Rsultat :
(1, 2, 3)
Voir aussi
| accde l'lment spcifi (fonction membre publique) | |
| accde l'lment spcifi avec vrification de bornes (fonction membre publique) | |
tuple accde lment spcifi Original: tuple accesses specified element The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction gnrique) | |
(C++11) |
accde un lment d'un pair Original: accesses an element of a pair The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction gnrique) |