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cppdraft/tuple/special.md

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+[tuple.special]
+
+# 22 General utilities library [[utilities]](./#utilities)
+
+## 22.4 Tuples [[tuple]](tuple#special)
+
+### 22.4.12 Tuple specialized algorithms [tuple.special]
+
+[🔗](#lib:swap,tuple)
+
+`template<class... Types>
+  constexpr void swap(tuple<Types...>& x, tuple<Types...>& y) noexcept(see below);
+template<class... Types>
+  constexpr void swap(const tuple<Types...>& x, const tuple<Types...>& y) noexcept(see below);
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L3142)
+
+*Constraints*: 
+
+- [(1.1)](#1.1)
+
+  For the first overload,(is_swappable_v<Types> && ...) is true[.](#1.1.sentence-1)
+
+- [(1.2)](#1.2)
+
+  For the second overload,(is_swappable_v<const Types> && ...) is true[.](#1.2.sentence-1)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L3153)
+
+*Effects*: As if by x.swap(y)[.](#2.sentence-1)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L3157)
+
+*Remarks*: The exception specification is equivalent to:noexcept(x.swap(y))