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std::system_error::what

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< cpp‎ | error‎ | system error

 
 
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
initializer_list(C++11)
bitset
hash(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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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Troque, avançar e avançar
Original:
Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
De tratamento de erros
Manipulação de exceção
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Exception handling
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exception
uncaught_exception
exception_ptr(C++11)
make_exception_ptr(C++11)
current_exception(C++11)
rethrow_exception(C++11)
nested_exception(C++11)
throw_with_nested(C++11)
rethrow_if_nested(C++11)
Manipulação de falhas de exceção
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Exception handling failures
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terminate
terminate_handler
get_terminate(C++11)
set_terminate
unexpected(obsoleta)
bad_exception
unexpected_handler(obsoleta)
get_unexpected(C++11)(obsoleta)
set_unexpected(obsoleta)
Categorias de exceção
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Exception categories
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logic_error
invalid_argument
domain_error
length_error
out_of_range
runtime_error
range_error
overflow_error
underflow_error
Códigos de erro
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Error codes
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Códigos de erro
errno
Afirmações
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Assertions
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assert
instalação system_error
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system_error facility
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error_category(C++11)
generic_category(C++11)
system_category(C++11)
error_condition(C++11)
errc(C++11)
error_code(C++11)
system_error(C++11)
 
std::system_error
Funções de membro
Original:
Member functions
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system_error::system_error
system_error::code
system_error::what
 
virtual const char* what() const;
(a partir do C++ 11)
Retorna a cadeia explicativa.
Original:
Returns the explanatory string.
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Índice

[editar] Parâmetros

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

Ponteiro para uma string terminada em nulo com informações explicativas.
Original:
Pointer to a null-terminated string with explanatory information.
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[editar] Exceções

noexcept specification:  
noexcept
  (a partir do C++ 11)

[editar] Veja também

retorna código de erro
Original:
returns error code
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(função pública membro) [edit]