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std::pair::swap

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< cpp‎ | utility‎ | pair

 
 
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initializer_list(C++11)
bitset
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Os operadores relacionais
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Pares e tuplas
Original:
Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Troque, avançar e avançar
Original:
Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
std::pair
Funções de membro
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Member functions
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pair::pair
pair::operator=
pair::swap
Não-membros funções
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Non-member functions
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make_pair
operator=
operator!=
operator<
operator<=
operator>
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std::swap
get(C++11)
Classes auxiliares
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Helper classes
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tuple_size(C++11)
tuple_element(C++11)
 
void swap(pair& other);
(a partir do C++ 11)
Trocas first com other.first e second com other.second.
Original:
Swaps first with other.first and second with other.second.
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Índice

[editar] Parâmetros

other -
par de valores para trocar
Original:
pair of values to swap
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[editar] Valor de retorno

(Nenhum)
Original:
(none)
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[editar] Exceções

noexcept specification:  (a partir do C++ 11)
noexcept(

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

)

[editar] Exemplo

#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)

[editar] Veja também