31 Input/output library [input.output]

31.5 Iostreams base classes [iostreams.base]

31.5.6 Error reporting [error.reporting]

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error_code make_error_code(io_errc e) noexcept;
1
#
Returns: error_code(static_cast<int>(e), iostream_category()).
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error_condition make_error_condition(io_errc e) noexcept;
2
#
Returns: error_condition(static_cast<int>(e), iostream_category()).
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const error_category& iostream_category() noexcept;
3
#
Returns: A reference to an object of a type derived from class error_category.
4
#
The object's default_error_condition and equivalent virtual functions shall behave as specified for the class error_category.
The object's name virtual function shall return a pointer to the string "iostream".