std::end
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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.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Índice |
[editar]Parâmetros
| c | - | um recipiente com um método de endOriginal: a container with an end methodThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| array | - | uma matriz do tipo arbitrário Original: an array of arbitrary type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[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.The text has been machine-translated via Google Translate.
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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>.The text has been machine-translated via Google Translate.
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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:The text has been machine-translated via Google Translate.
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std::end especializada Original: specializes std::end The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (modelo de função) | |
(C++11) | std::end especializada Original: specializes std::end The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (modelo de função) |
[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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função) |
