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std::ostreambuf_iterator

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< cpp‎ | iterator

 
 
Biblioteca Iterator
Primitivas iterador
Original:
Iterator primitives
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iterator_traits
input_iterator_tag
output_iterator_tag
forward_iterator_tag
bidirectional_iterator_tag
random_access_iterator_tag
iterator
Adaptadores de iterador
Original:
Iterator adaptors
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reverse_iterator
Iteradores fluxo
Original:
Stream iterators
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istream_iterator
ostream_iterator
istreambuf_iterator
ostreambuf_iterator
Operações iterador
Original:
Iterator operations
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advance
distance
prev(C++11)
next(C++11)
Variar de acesso
Original:
Range access
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begin(C++11)
end(C++11)
 
std::ostreambuf_iterator
Funções de membro
Original:
Member functions
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ostreambuf_iterator::ostreambuf_iterator
ostreambuf_iterator::operator=
ostreambuf_iterator::operator*
ostreambuf_iterator::operator++
ostreambuf_iterator::operator++(int)
ostreambuf_iterator::failed
 
Defined in header <iterator>
template< class CharT, class Traits = std::char_traits<CharT>>

class ostreambuf_iterator : public std::iterator<std::output_iterator_tag,

                                                 void, void, void, void>
std::ostreambuf_iterator é um iterador de saída de uma única passagem que escreve personagens sucessivos no objeto std::basic_streambuf para o qual foi construído. A operação de gravação real é executada quando o iterador (se dereferenced ou não) é atribuído. Incrementando a std::ostreambuf_iterator é um não-op.
Original:
std::ostreambuf_iterator is a single-pass output iterator that writes successive characters into the std::basic_streambuf object for which it was constructed. The actual write operation is performed when the iterator (whether dereferenced or not) is assigned to. Incrementing the std::ostreambuf_iterator is a no-op.
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Numa aplicação típica, os membros de dados somente de std::ostreambuf_iterator são um ponteiro para o std::basic_streambuf associado e um sinalizador booleano indicando se o final da condição de arquivo foi atingido.
Original:
In a typical implementation, the only data members of std::ostreambuf_iterator are a pointer to the associated std::basic_streambuf and a boolean flag indicating if the the end of file condition has been reached.
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Índice

[editar] Tipos de membro

Tipo de membro
Original:
Member type
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Definition
char_type CharT
traits_type Traits
streambuf_type std::basic_streambuf<CharT, Traits>
ostream_type std::basic_ostream<CharT, Traits>

[editar] Funções de membro

constrói um novo ostreambuf_iterator
Original:
constructs a new ostreambuf_iterator
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(função pública membro)
(destructor)
(declarada implicitamente)
destructs an ostreambuf_iterator
(função pública membro)
escreve um personagem para a seqüência de saída associada
Original:
writes a character to the associated output sequence
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(função pública membro)
no-op
(função pública membro)
no-op
(função pública membro)
testes se a saída falhou
Original:
tests if output failed
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(função pública membro)

Inherited from std::iterator

Member types

Tipo de membro
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Member type
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Definition
value_type void
difference_type void
pointer void
reference void
iterator_category std::output_iterator_tag

[editar] Exemplo

#include <string>
#include <algorithm>
#include <iterator>
#include <iostream>
int main()
{
    std::string s = "This is an example\n";
    std::copy(s.begin(), s.end(), std::ostreambuf_iterator<char>(std::cout));
}

Output:

This is an example

[editar] Veja também

iterador de entrada que lê std::basic_streambuf
Original:
input iterator that reads from std::basic_streambuf
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(modelo de classe) [edit]
iterador de saída que escreve para std::basic_ostream
Original:
output iterator that writes to std::basic_ostream
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(modelo de classe) [edit]