std::is_pod – cppreference.com

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definiert in Header `<type_traits>`

`template< class T > struct is_pod;`		(seit C++11)

Wenn T a PODType ("plain old data type"), das heißt, sowohl trivial und Standard-Layout ist, stellt das Mitglied konstanten value gleich true. Für jede andere Art, value ist false .

Original:

If T is a PODType ("plain old data type"), that is, both trivial and standard-layout, provides the member constant value equal true. For any other type, value is false.

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Inherited from std::integral_constant

Member constants


	`true` wenn `T` is a POD type , `false` anders Original: `true` if `T` is a POD type , `false` otherwise The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (public static Mitglied konstanten)

Member functions


	wandelt das Objekt `bool`, gibt `value` Original: converts the object to `bool`, returns `value` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion)

Member types


Type Original: Type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.	Definition

`value_type`	`bool`

`type`	`std::integral_constant<bool, value>`

Notes

Objekte POD-Typen sind voll kompatibel mit der Programmiersprache C .

Original:

Objects of POD types are fully compatible with the C programming language.

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Beispiel

#include <iostream>
#include <type_traits>

struct A {
    int m;
};

struct B {
    int m1;
private:
    int m2;
};

struct C {
    virtual void foo();
};

int main()
{
    std::cout << std::boolalpha;
    std::cout << std::is_pod<A>::value << '\n';
    std::cout << std::is_pod<B>::value << '\n';
    std::cout << std::is_pod<C>::value << '\n';
}

Output:

Siehe auch


	prüft, ob ein Typ ist Standard-Layout-Typ Original: checks if a type is standard-layout type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

	prüft, ob ein Typ ist trivial Original: checks if a type is trivial The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]