std::experimental::ranges::swap (ranges::tagged)
From cppreference.com
< cpp | experimental | ranges | utility/tagged
friend constexpr void swap( tagged& lhs, tagged& rhs ) noexcept(noexcept(lhs.swap(rhs))) requires Swappable<Base>; |
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Swap the contents of *this and rhs, as if by lhs.swap(rhs);.
This function is not visible to ordinary unqualified or qualified lookup, and can only be found by argument-dependent lookup when tagged
is an associated class of the arguments.
Notes
Unlike most non-member swap
s in the standard library, this swap
is a hidden friend function declared in the body of tagged
, not a function template. The tagged
in the function declaration is the injected-class-name.
See also
swaps the contents of two tagged objects (public member function) |