   #include &lt;<a href="../headers/iteration/iterate.hpp.html">boost/preprocessor/iteration/iterate.hpp</a>&gt;

   #define <a href="iteration_params_x.html">BOOST_PP_ITERATION_PARAMS_1</a> (3, (1, 10, "file.h"))
   #include <a href="iterate.html">BOOST_PP_ITERATE</a>()

   #endif

#elif <a href="iteration_depth.html">BOOST_PP_ITERATION_DEPTH</a>() == 1

   --
   #define <a href="iteration_params_x.html">BOOST_PP_ITERATION_PARAMS_2</a> \
      (3, (1, <a href="iteration.html">BOOST_PP_ITERATION</a>(), "fil