57 lines
1.6 KiB
Markdown
57 lines
1.6 KiB
Markdown
[syserr.errcondition.modifiers]
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# 19 Diagnostics library [[diagnostics]](./#diagnostics)
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## 19.5 System error support [[syserr]](syserr#errcondition.modifiers)
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### 19.5.5 Class error_condition [[syserr.errcondition]](syserr.errcondition#modifiers)
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#### 19.5.5.3 Modifiers [syserr.errcondition.modifiers]
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[ð](#lib:assign,error_condition)
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`void assign(int val, const error_category& cat) noexcept;
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1331)
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*Postconditions*: *val_* == val and *cat_* == &cat[.](#1.sentence-1)
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[ð](#lib:operator=,error_condition)
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`template<class ErrorConditionEnum>
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error_condition& operator=(ErrorConditionEnum e) noexcept;
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1343)
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*Constraints*: is_error_condition_enum_v<ErrorConditionEnum> is true[.](#2.sentence-1)
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1347)
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*Effects*: Equivalent to:error_condition ec = make_error_condition(e);
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assign(ec.value(), ec.category());
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1355)
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*Returns*: *this[.](#4.sentence-1)
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[ð](#lib:clear,error_condition)
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`void clear() noexcept;
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`
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[5](#5)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1366)
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*Postconditions*: value() == 0 and category() == generic_category()[.](#5.sentence-1)
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