Method push_back

Exercises/NoModules/Chapter 21/Soln21_06/Array.h:150–159

// push_back() overload for lvalue references
template <typename T>
void Array<T>::push_back(T element)  // Pass by value (copy of lvalue, or moved rvalue!)
{
  Array<T> newArray{m_size + 1};     // Allocate a larger Array<>
  for (size_t i {}; i < m_size; ++i) // Move existing elements (copy if not noexcept)...
    newArray[i] = move_assign_if_noexcept(m_elements[i]);

  newArray[m_size] = move_assign_if_noexcept(element);  // Move (or copy) the new one...

  swap(newArray);                   // ... and swap!
}

#endif