23
General utilities library
[utilities]
23.7
Variants
[variant]
23.7.10
Specialized algorithms
[variant.specalg]
🔗
template <class... Types> void swap(variant<Types...>& v, variant<Types...>& w) noexcept(
see below
);
1
#
Effects:
Equivalent to
v.swap(w)
.
2
#
Remarks:
This function shall not participate in overload resolution unless
is_move_constructible_v<
T
i
> && is_swappable_v<
T
i
>
is
true
for all
i
.
The expression inside
noexcept
is equivalent to
noexcept(v.swap(w))
.