std::swap(std::valarray) (3) Linux Manual Page
std::swap(std::valarray) – std::swap(std::valarray)
Synopsis
template <class T>
void swap(valarray<T> &lhs, valarray<T> &rhs);Specializes the std::swap algorithm for std::valarray. Swaps the contents of lhs and rhs. Calls lhs.swap(rhs).
Parameters
lhs, rhs – valarrays whose contents to swap
Return value
(none)
Complexity
Constant.
See also
swap (public member function)