text: #include "hwcpp.hpp"
  
  using target = hwcpp::target<>;
  using timing = target::waiting;
  
  using pins = hwcpp::fanout< 
     hwcpp::mirror< hwcpp::port_out< 
        target::d8,
        target::d9,
        target::d10 > >,
     hwcpp::port_out< 
        target::d11,
        target::d12,
        target::d13 >
  >;
  
  int main(){ 
     hwcpp::walk< pins, timing::ms< 200 > >();
  }