EQ2EMu/EQ2/source/depends/boost_1_72_0/libs/metaparse/doc/getting_started_25.qbk

[#getting_started_25]

  template <class S, class Item> struct reverse_binary_op : eval_binary_op< typename boost::mpl::at_c<Item, 0>::type, boost::mpl::at_c<Item, 1>::type::value, S > {};