print_input_param.hpp

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#ifndef MLPACK_BINDINGS_JULIA_PRINT_INPUT_PARAM_HPP
#define MLPACK_BINDINGS_JULIA_PRINT_INPUT_PARAM_HPP

#include "get_julia_type.hpp"

namespace mlpack {
namespace bindings {
namespace julia {

template<typename T>
void PrintInputParam(const util::ParamData& d,
                     const void* /* input */,
                     void* /* output */)
{
  // "type" is a reserved keyword or function.
  const std::string juliaName = (d.name == "type") ? "type_" : d.name;

  std::cout << juliaName;

  if (!arma::is_arma_type<T>::value)
  {
    std::cout << "::";
    // If it's required, then we need the type.
    if (d.required)
    {
      std::cout << GetJuliaType<typename std::remove_pointer<T>::type>();
    }
    else
    {
      std::cout << "Union{"
          << GetJuliaType<typename std::remove_pointer<T>::type>()
          << ", Missing} = missing";
    }
  }
  else if (!d.required)
  {
    std::cout << " = missing";
  }
}

} // namespace julia
} // namespace bindings
} // namespace mlpack

#endif