alignment_of, classe
Obtient l'alignement du type.
template<class Ty>
struct alignment_of;
Paramètres
- Ty
Type à interroger.
Notes
La requête de type contient la valeur de l'alignement du type Ty.
Exemple
// std_tr1__type_traits__alignment_of.cpp
// compile with: /EHsc
#include <type_traits>
#include <iostream>
typedef std::aligned_storage<sizeof (int),
std::alignment_of<double>::value>::type New_type;
int main()
{
std::cout << "alignment_of<int> == "
<< std::alignment_of<int>::value << std::endl;
std::cout << "aligned to double == "
<< std::alignment_of<New_type>::value << std::endl;
return (0);
}
Configuration requise
En-tête : <type_traits>
Espace de noms : std