Declared in <bslstl_vector.h>
<bslstl_vector.h>
void swap(vector<void*, allocator<void*>>& other) noexcept(/* see-below */);
This function is potentially-throwing unless noexcept(this->d_impl.swap(other.d_impl)).
noexcept(this->d_impl.swap(other.d_impl))