std::swap – cppreference.com

definiert in Header `<algorithm>` definiert in header `<utility>`		(bis C + +11) (seit C++11)

`template< class T > void swap( T& a, T& b );`	(1)

`template< class T2, size_t N > void swap( T2 (&a)[N], T2 (&b)[N]);`	(2)	(seit C++11)

Tauscht die übergebenen Werte.

Original:

Exchanges the given values.

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Tauscht die Werte a und b .

Original:

Swaps the values a and b.

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Tauscht die Arrays a und b. Ruft std::swap_ranges(a, a+N, b) auf.

Original:

Swaps the arrays a and b. In effect calls std::swap_ranges(a, a+N, b).

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Parameter

a, b	-	die zu tauschenden Werte Original: the values to be swapped The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Type requirements
-`T` must meet the requirements of `MoveAssignable` and `MoveConstructible`.
-`T2` must meet the requirements of `Swappable`.

Rückgabewert

(None)

Original:

(none)

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Ausnahmen

noexcept

specification: (seit C++11)


`noexcept(noexcept( std::is_nothrow_move_constructible<T>::value && std::is_nothrow_move_assignable<T>::value ))`

noexcept

specification: (seit C++11)


`noexcept(noexcept(swap(a, b)))`

Komplexität

Constant

Original:

Constant

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Linear in N

Original:

Linear in N

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Spezialisierungen

Es sind sowohl benutzerdefinierte Spezialisierungen als auch Überladungen des std::swap Algorithmus erlaubt. Überladungen sind in der Regel vorzuziehen, da Spezialisierungen eines Funktions-Template für Template-Klassen nicht erlaubt sind. Library-Funktionen nutzen immer die vom Benutzer bereitgestellten Überladungen, falls sie durch Deduktion der Argumente (nach Swappable Konzept) gefunden werden können.

Original:

Both custom specializations and overloads of the std::swap algorithm are allowed, but the overloads are generally preferred since specializations of a function template aren't allowed for template classes. Library functions always use the user-provided overloads when swapping, if they are found by argument-dependent lookup (as per Swappable concept).

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Die folgenden Überladungen werden bereits von der Standard-Bibliothek zur Verfügung gestellt:

Original:

The following overloads are already provided by the standard library:

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std::swap(std::pair) (C++11)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::tuple) (C++11)	spezialisiert den std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::shared_ptr) (C++11)	Spezialisierung des std::swap-Algorithmus für verteilte Zeiger (Funktions-Template) [edit]

std::swap(std::weak_ptr) (C++11)	Spezialisierung des std::swap-Algorithmus für schwache Zeiger (Funktions-Template) [edit]

std::swap(std::unique_ptr) (C++11)	Spezialisierung des std::swap-Algorithmus für Zeiger mit explizitem Besitz (Funktions-Template) [edit]

std::swap(std::function) (C++11)	spezialisiert den std::swap Algorithmus (Funktions-Template) [edit]

std::swap(std::basic_string)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::array)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::deque)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::forward_list)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::list)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::vector)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::map)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::multimap)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::set)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::multiset)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::unordered_map)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::unordered_multimap)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::unordered_set)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::unordered_multiset)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::queue)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::priority_queue)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::stack)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::valarray) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::basic_stringbuf) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::basic_istringstream) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::basic_ostringstream) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::basic_stringstream) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::basic_filebuf) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::basic_ifstream) (C++11)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::basic_ofstream) (C++11)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::basic_fstream) (C++11)	spezialisiert die std::swap Algorithmus Original: specializes the std::swap algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

std::swap(std::basic_regex) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::match_results) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::thread) (C++11)	Spezialisierung des std::swap Algorithmus (Funktions-Template) [edit]

std::swap(std::unique_lock) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::promise) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

std::swap(std::packaged_task) (C++11)	spezialisiert die `std::swap()` Algorithmus Original: specializes the `std::swap()` algorithm The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)

Beispiel

Siehe auch


	Swaps die Elemente, auf die zwei Iteratoren Original: swaps the elements pointed to by two iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

	Swaps zwei Bereiche von Elementen Original: swaps two ranges of elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]