std::error_category
From cppreference.com
C++
Utilities library
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Diagnostics library
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std::error_category
Member functions | ||||
(until C++20)
(until C++20)
(C++20)
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Defined in header <system_error>
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class error_category; |
(since C++11) | |
std::error_category
serves as the base class for specific error category types, such as std::system_category, std::iostream_category, etc. Each specific category class defines the error_code
- error_condition
Member functions
constructs an error_category (public member function) |
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[virtual]
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destructs an error_category (virtual public member function) |
operator= [deleted] |
not copy assignable (public member function) |
[virtual]
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obtains the name of the category (virtual public member function) |
[virtual]
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maps error_code to error_condition (virtual public member function) |
[virtual]
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compares error_code and error_condition for equivalence (virtual public member function) |
[virtual]
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obtains the explanatory string (virtual public member function) |
(removed in C++20)
(removed in C++20)
(C++20)
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compares two error categories (function) |
Specific error categories
(C++11)
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identifies the generic error category (function) |
(C++11)
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identifies the operating system error category (function) |
(C++11)
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identifies the iostream error category (function) |
(C++11)
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identifies the future error category (function) |
(C++11)
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holds a portable error code (class) |
(C++11)
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holds a platform-dependent error code (class) |