22 General utilities library [utilities]

22.4 Tuples [tuple]

22.4.4 Class template tuple [tuple.tuple]

22.4.4.4 swap [tuple.swap]

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constexpr void swap(tuple& rhs) noexcept(see below); constexpr void swap(const tuple& rhs) const noexcept(see below);
1
#
Mandates:
  • (2.1)
    For the first overload, (is_swappable_v<Types> && ..) is true.
  • (2.2)
    For the second overload, (is_swappable_v<const Types> && ..) is true.
3
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Remarks: The exception specification is equivalent to
  • (6.1)
    (is_nothrow_swappable_v<Types> && ..) for the first overload and
  • (6.2)
    (is_nothrow_swappable_v<const Types> && ..) for the second overload.

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