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std::pair::swap

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< cpp‎ | utility‎ | pair

 
 
 
std::pair
Member-Funktionen
Original:
Member functions
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pair::pair
pair::operator=
pair::swap
Non-Member-Funktionen
Original:
Non-member functions
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make_pair
operator=
operator!=
operator<
operator<=
operator>
operator>=
std::swap
get(C++11)
Helper-Klassen
Original:
Helper classes
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tuple_size(C++11)
tuple_element(C++11)
 
void swap(pair& other);
(seit C++11)
Swaps first mit other.first und second mit other.second .
Original:
Swaps first with other.first and second with other.second.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

other -
Wertepaar zu tauschen
Original:
pair of values to swap
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[Bearbeiten] Rückgabewert

(None)
Original:
(none)
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[Bearbeiten] Ausnahmen

noexcept specification:  (seit C++11)
noexcept(

     noexcept(std::swap(first, p.first)) &&
     noexcept(std::swap(second, p.second))

)

[Bearbeiten] Beispiel

#include <iostream>
#include <utility>
#include <string>
int main()
{
    std::pair<int, std::string> p1, p2;
    p1 = std::make_pair(10, "test");
    p2.swap(p1);
    std::cout << "(" << p2.first << ", " << p2.second << ")\n";
}

Output:

(10, test)

[Bearbeiten] Siehe auch