http://xyst.i2p/DEBUG/test_coverage/Base/ContainerUtil.hpp.gcov.html
\param[in,out] dst Destination array, i.e., left-hand side of a1 += a2 118 : : //! \param[in] src Source array, i.e., righ-hand side of a1 += a2 119 : : //! \return Destination containing a1[0] += a2[0], a1[1] += a2[1], ... 120 : : template< class T, std::size_t N > 121 : : std::array< T, N >& 122 : 1 : operator+=( std::array< T, N >& dst, const std::array< T, N >& src ) { 123 : 1 : ...