std::error_code::
operator bool
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<
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C++
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std::error_code
Member functions
error_code::error_code
error_code::operator=
error_code::assign
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error_code::clear
Observers
error_code::value
error_code::category
error_code::default_error_condition
error_code::message
error_code::operator bool
Non-member functions
operator<
operator==
operator!=
operator<<
Helper classes
is_error_code_enum
hash
<std::error_code>
explicit
operator
bool
(
)
const
;
(since C++11)
Checks if the error value is valid, i.e. non-zero.
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Parameters
(none)
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]
Return value
false
if
value
(
)
==
0
,
true
otherwise.
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]
Exceptions
noexcept
specification:
noexcept
Category
:
unconditionally noexcept