Espaços nominais
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std::tuple

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Biblioteca de utilitários
Digite apoio (basic types, RTTI, type traits)
Gerenciamento de memória dinâmica
De tratamento de erros
Utilidades do programa
Variadic funções
Data e hora
Objetos de função
(C++11)
Os operadores relacionais
Original:
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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tuple
(C++11)
Troque, avançar e avançar
Original:
Swap, forward and move
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(C++11)
(C++11)
(C++11)
 
std::tuple
Funções de membro
Original:
Member functions
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tuple::tuple
tuple::operator=
tuple::swap
Não-membros funções
Original:
Non-member functions
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Classes auxiliares
Original:
Helper classes
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Definido no cabeçalho <tuple>
template<class... Types>
class tuple;
(desde C++11)
std::tuple modelo de classe é uma coleção de tamanho fixo de valores heterogêneos. É uma generalização de std::pair.
Original:
Class template std::tuple is a fixed-size collection of heterogeneous values. It is a generalization of std::pair.
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Índice

[editar]Funções de membro

constrói um novo tuple
Original:
constructs a new tuple
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(função pública membro)
atribui o conteúdo de um tuple para outro
Original:
assigns the contents of one tuple to another
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(função pública membro)
Trocar o conteúdo de dois tuples
Original:
swaps the contents of two tuples
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(função pública membro)

[editar]Não-membros funções

cria um objeto tuple do tipo definido pelo tipo de argumento
Original:
creates a tuple object of the type defined by the argument types
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(modelo de função)[edit]
cria um tuple de referências lvalue ou desempacota a tupla em objetos individuais
Original:
creates a tuple of lvalue references or unpacks a tuple into individual objects
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(modelo de função)[edit]
cria um tuple de referências rvalue
Original:
creates a tuple of rvalue references
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(modelo de função)[edit]
cria um tuple pela concatenação de qualquer número de tuplas
Original:
creates a tuple by concatenating any number of tuples
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(modelo de função)[edit]
tupla acessa elemento especificado
Original:
tuple accesses specified element
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(modelo de função)[edit]
lexicographically compara os valores na tupla
Original:
lexicographically compares the values in the tuple
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(modelo de função)[edit]
o algoritmo especializado std::swap
Original:
specializes the std::swap algorithm
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(modelo de função)[edit]

[editar]Classes auxiliares

obtém o tamanho de tuple em tempo de compilação
Original:
obtains the size of tuple at compile time
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(especialização modelo. classe)[edit]
obtém o tipo do elemento especificado
Original:
obtains the type of the specified element
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(especialização modelo. classe)[edit]
especializa o traço tipo std::uses_allocator
Original:
specializes the std::uses_allocator type trait
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(especialização modelo. classe)[edit]
espaço reservado para pular um elemento quando descompactar um tuple usando tie
Original:
placeholder to skip an element when unpacking a tuple using tie
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(constante)[edit]

[editar]Exemplo

#include <tuple>#include <iostream>#include <string>#include <stdexcept>   std::tuple<double, char, std::string> get_student(int id){if(id ==0)returnstd::make_tuple(3.8, 'A', "Lisa Simpson");if(id ==1)returnstd::make_tuple(2.9, 'C', "Milhouse Van Houten");if(id ==2)returnstd::make_tuple(1.7, 'D', "Ralph Wiggum");throwstd::invalid_argument("id");}   int main(){auto student0 = get_student(0);std::cout<<"ID: 0, "<<"GPA: "<< std::get<0>(student0)<<", "<<"grade: "<< std::get<1>(student0)<<", "<<"name: "<< std::get<2>(student0)<<'\n';   double gpa1;char grade1;std::string name1;std::tie(gpa1, grade1, name1)= get_student(1);std::cout<<"ID: 1, "<<"GPA: "<< gpa1 <<", "<<"grade: "<< grade1 <<", "<<"name: "<< name1 <<'\n';}

Saída:

ID: 0, GPA: 3.8, grade: A, name: Lisa Simpson ID: 1, GPA: 2.9, grade: C, name: Milhouse Van Houten
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