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std::end

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C++
 
Biblioteca Iterator
Primitivas iterador
Original:
Iterator primitives
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Adaptadores de iterador
Original:
Iterator adaptors
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Iteradores fluxo
Original:
Stream iterators
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Operações iterador
Original:
Iterator operations
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(C++11)
(C++11)
Variar de acesso
Original:
Range access
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(C++11)
end
(C++11)
 
Definido no cabeçalho <iterator>
template< class C >
auto end( C& c ) -> decltype(c.end());
 (1) (desde C++11)
template< class C >
auto end( const C& c ) -> decltype(c.end());
 (2) (desde C++11)
template< class T, size_t N >
T* end( T (&array)[N] );
 (3) (desde C++11)
Retorna um iterador para o final (ou seja, o elemento após o último elemento) do c determinado contêiner ou matriz array.
Original:
Returns an iterator to the end (i.e. the element after the last element) of the given container c or array array.
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Índice

[editar] Parâmetros

c -
um recipiente com um método de end
Original:
a container with an end method
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array -
uma matriz do tipo arbitrário
Original:
an array of arbitrary type
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[editar] Valor de retorno

um iterador para o final de c ou array. Note-se que a extremidade de um contentor ou da matriz é definida como o elemento a seguir ao último elemento válido.
Original:
an iterator to the end of c or array. Note that the end of a container or array is defined as the element following the last valid element.
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[editar] Notas

Além de serem incluídos no <iterator>, std::end é garantido que se tornam disponíveis, se qualquer um dos seguintes cabeçalhos estão incluídos: <array>, <deque>, <forward_list>, <list>, <map>, <regex>, <set>, <string>, <unordered_map>, <unordered_set> e <vector>.
Original:
In addition to being included in <iterator>, std::end is guaranteed to become available if any of the following headers are included: <array>, <deque>, <forward_list>, <list>, <map>, <regex>, <set>, <string>, <unordered_map>, <unordered_set>, and <vector>.
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[editar] Especializações

Especializações personalizadas de std::end podem ser fornecidas para as classes que não expõem um adequado end() função de membro, mas pode ser repetido. Os seguintes especializações já são fornecidas pela biblioteca padrão:
Original:
Custom specializations of std::end may be provided for classes that do not expose a suitable end() member function, yet can be iterated. The following specializations are already provided by the standard library:
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(C++11)
std::end especializada
Original:
specializes std::end
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(modelo de função) [edit]
(C++11)
std::end especializada
Original:
specializes std::end
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(modelo de função) [edit]

[editar] Exemplo

#include <iostream>
#include <vector>
#include <iterator>
#include <algorithm>
 
int main() 
{
    std::vector<int> v = { 3, 1, 4 };
    if (std::find(std::begin(v), std::end(v), 5) != std::end(v)) {
        std::cout << "found a 5 in vector v!\n";
    }
 
    int a[] = { 5, 10, 15 };
    if (std::find(std::begin(a), std::end(a), 5) != std::end(a)) {
        std::cout << "found a 5 in array a!\n";
    }
}

Saída: 

found a 5 in array a!

[editar] Veja também

(C++11)
retorna um iterador para o início de um recipiente ou de matriz
Original:
returns an iterator to the beginning of a container or array
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(função) [edit]
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