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std::swap(std::vector)

template< class T, class Alloc >
void swap( vector<T,Alloc>& lhs, 
           vector<T,Alloc>& rhs );

(until C++17)

template< class T, class Alloc >
void swap( vector<T,Alloc>& lhs, 
           vector<T,Alloc>& rhs ) noexcept(/* see below */);

(since C++17)

Specializes the std::swap algorithm for std::vector. Swaps the contents of lhs and rhs. Calls lhs.swap(rhs).

lhs, rhs

containers whose contents to swap

(none).

Constant.

noexcept specification:

noexcept(noexcept(lhs.swap(rhs)))

(since C++17)