iter_swap(ranges::concat_view::iterator)
noexcept( /* see description */ ) requires ( /* see description */ );
Swaps the objects pointed to by the underlying iterators of x and y. Equivalent to
std::visit
(
[&](const auto& it1, const auto& it2)
{
if constexpr (std::is_same_v <decltype(it1), decltype(it2)>)
ranges::iter_swap (it1, it2);
else
ranges::swap (*x, *y);
},
x.it_ ,
y.it_
);
The expression in the requires clause is equivalent to
std::swappable_with <std::iter_reference_t </*iterator*/>,
std::iter_reference_t </*iterator*/>> &&
(... && std::indirectly_swappable <ranges::iterator_t <maybe-const <Const, Views>>>)
.
If x.it_ .valueless_by_exception() || y.it_ .valueless_by_exception() is true, the behavior is undefined.
This function is not visible to ordinary unqualified or qualified lookup, and can only be found by argument-dependent lookup when concat_view::iterator <Const> is an associated class of the arguments.
Contents
[edit] Parameters
[edit] Exceptions
Let its be a pack of lvalues, where each value is of the corresponding type in const ranges::iterator_t <maybe-const <Const, Views>>.
[edit] Example
Reason: no example
[edit] See also
(customization point object)[edit]