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cppdraft/any/assign.md

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+[any.assign]
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+# 22 General utilities library [[utilities]](./#utilities)
+
+## 22.7 Storage for any type [[any]](any#assign)
+
+### 22.7.4 Class any [[any.class]](any.class#any.assign)
+
+#### 22.7.4.3 Assignment [any.assign]
+
+[🔗](#lib:operator=,any)
+
+`any& operator=(const any& rhs);
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7315)
+
+*Effects*: As if by any(rhs).swap(*this)[.](#1.sentence-1)
+
+No effects if an exception is thrown[.](#1.sentence-2)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7320)
+
+*Returns*: *this[.](#2.sentence-1)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7324)
+
+*Throws*: Any exceptions arising from the copy constructor for the contained value[.](#3.sentence-1)
+
+[🔗](#lib:operator=,any_)
+
+`any& operator=(any&& rhs) noexcept;
+`
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7335)
+
+*Effects*: As if by any(std​::​move(rhs)).swap(*this)[.](#4.sentence-1)
+
+[5](#5)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7339)
+
+*Postconditions*: The state of *this is equivalent to the original state of rhs[.](#5.sentence-1)
+
+[6](#6)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7343)
+
+*Returns*: *this[.](#6.sentence-1)
+
+[🔗](#lib:operator=,any__)
+
+`template<class T>
+  any& operator=(T&& rhs);
+`
+
+[7](#7)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7355)
+
+Let VT be decay_t<T>[.](#7.sentence-1)
+
+[8](#8)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7358)
+
+*Constraints*: VT is not the same type as any andis_copy_constructible_v<VT> is true[.](#8.sentence-1)
+
+[9](#9)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7363)
+
+*Preconditions*: VT meets the [*Cpp17CopyConstructible*](utility.arg.requirements#:Cpp17CopyConstructible "16.4.4.2 Template argument requirements [utility.arg.requirements]") requirements[.](#9.sentence-1)
+
+[10](#10)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7367)
+
+*Effects*: Constructs an object tmp of type any that contains an object of type VT direct-initialized with std​::​forward<T>(rhs), and tmp.swap(*this)[.](#10.sentence-1)
+
+No effects if an exception is thrown[.](#10.sentence-2)
+
+[11](#11)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7372)
+
+*Returns*: *this[.](#11.sentence-1)
+
+[12](#12)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L7376)
+
+*Throws*: Any exception thrown by the selected constructor of VT[.](#12.sentence-1)