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std::basic_fstream::is_open

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< cpp‎ | io‎ | basic fstream

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C++
 
De entrada / saída da biblioteca
I / O manipuladores
C estilo de I / O
Buffers
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Buffers
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(obsoleta)
Streams
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Streams
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Abstrações
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Abstractions
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File I / O
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File I/O
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Cordas I / O
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String I/O
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Matriz de I / O
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Array I/O
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(obsoleta)
(obsoleta)
(obsoleta)
Tipos
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Types
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Interface de categoria de erro
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Error category interface
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(C++11)
(C++11)
 
std::basic_fstream
Funções de membro
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Member functions
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basic_fstream::basic_fstream
basic_fstream::operator=(C++11)
basic_fstream::swap(C++11)
basic_fstream::rdbuf
Operações de arquivo
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File operations
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basic_fstream::is_open
basic_fstream::open
basic_fstream::close
Não-membros funções
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Non-member functions
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basic_fstream::swap(std::basic_fstream)(C++11)
 
bool is_open() const;
Verifica se o fluxo de arquivo tem um arquivo associado.
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Checks if the file stream has an associated file.
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Efetivamente chama rdbuf()->is_open().
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Effectively calls rdbuf()->is_open().
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Índice

[editar] Parâmetros

(Nenhum)
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(none)
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[editar] Valor de retorno

true se o fluxo de arquivo tem um arquivo associado, false contrário
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true if the file stream has an associated file, false otherwise
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[editar] Exemplo

Esta seção está incompleta
Motivo: sem exemplo

[editar] Veja também
abre um arquivo e associa com o fluxo
Original:
opens a file and associates it with the stream
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(função pública membro) [edit]
fecha o arquivo associado
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closes the associated file
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(função pública membro) [edit]
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