49 lines
1.5 KiB
Markdown
49 lines
1.5 KiB
Markdown
[error.reporting]
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# 31 Input/output library [[input.output]](./#input.output)
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## 31.5 Iostreams base classes [[iostreams.base]](iostreams.base#error.reporting)
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### 31.5.6 Error reporting [error.reporting]
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[ð](#lib:make_error_code,io_errc)
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`error_code make_error_code(io_errc e) noexcept;
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2833)
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*Returns*: error_code(static_cast<int>(e), iostream_category())[.](#1.sentence-1)
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[ð](#lib:make_error_condition,io_errc)
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`error_condition make_error_condition(io_errc e) noexcept;
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2844)
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*Returns*: error_condition(static_cast<int>(e), iostream_category())[.](#2.sentence-1)
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[ð](#lib:iostream_category)
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`const error_category& iostream_category() noexcept;
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`
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2855)
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*Returns*: A reference to an object of a type derived from classerror_category[.](#3.sentence-1)
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2860)
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The object's default_error_condition and equivalent virtual functions shall behave as specified for the class error_category[.](#4.sentence-1)
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The object's name virtual function shall return a pointer to the string "iostream"[.](#4.sentence-2)
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