[error.reporting] (original) (raw)
31 Input/output library [input.output]
31.5 Iostreams base classes [iostreams.base]
31.5.6 Error reporting [error.reporting]
error_code make_error_code(io_errc e) noexcept;
Returns: error_code(static_cast<int>(e), iostream_category()).
error_condition make_error_condition(io_errc e) noexcept;
Returns: error_condition(static_cast<int>(e), iostream_category()).
const error_category& iostream_category() noexcept;
Returns: A reference to an object of a type derived from classerror_category.
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".