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std::error_code::operator bool

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< cpp‎ | error‎ | error code

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C++
 
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)
(C++11)
Os operadores relacionais
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Pares e tuplas
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Pairs and tuples
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(C++11)
(C++11)
(C++11)
Troque, avançar e avançar
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Swap, forward and move
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(C++11)
(C++11)
(C++11)
(C++11)
 
De tratamento de erros
Manipulação de exceção
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Exception handling
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(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Manipulação de falhas de exceção
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Exception handling failures
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(C++11)
(obsoleta)
(obsoleta)
(C++11)(obsoleta)
(obsoleta)
Categorias de exceção
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Exception categories
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Códigos de erro
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Error codes
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Códigos de erro
Afirmações
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Assertions
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instalação system_error
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system_error facility
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(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
 
std::error_code
Funções de membro
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Member functions
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error_code::error_code
error_code::operator=
error_code::assign
Modificadores
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Modifiers
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error_code::clear
Observadores
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Observers
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error_code::value
error_code::category
error_code::default_error_condition
error_code::message
error_code::operator bool
Não-membros funções
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Non-member functions
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Classes auxiliares
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Helper classes
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explicit operator bool() const;
 (desde C++11)
Verifica se o valor de erro é válido, ou seja, não-zero.
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Checks if the error value is valid, i.e. non-zero.
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[editar] Parâmetros

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

false se value() == 0, true outra forma.
Original:
false if value() == 0, true otherwise.
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[editar] Exceções

noexcept specification:  
noexcept
  (desde C++11)
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