32 lines
931 B
Markdown
32 lines
931 B
Markdown
[variant.specalg]
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# 22 General utilities library [[utilities]](./#utilities)
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## 22.6 Variants [[variant]](variant#specalg)
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### 22.6.10 Specialized algorithms [variant.specalg]
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[ð](#lib:swap,variant)
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`template<class... Types>
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constexpr void swap(variant<Types...>& v, variant<Types...>& w) noexcept(see below);
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L6947)
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*Constraints*: is_move_constructible_v<Ti> && is_swappable_v<Ti> is true for all i[.](#1.sentence-1)
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L6952)
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*Effects*: Equivalent to v.swap(w)[.](#2.sentence-1)
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L6956)
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*Remarks*: The exception specification is equivalent to noexcept(v.swap(w))[.](#3.sentence-1)
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