text: /**
   * @file bindings/cli/get_allocated_memory.hpp
   * @author Ryan Curtin
   *
   * If the parameter has a type that may need to be deleted, return the address
   * of that object.  Otherwise return NULL.
   *
   * mlpack is free software; you may redistribute it and/or modify it under the
   * terms of the 3-clause BSD license.  You should have received a copy of the
   * 3-clause BSD license along with mlpack.  If not, see
   * http://www.opensource.org/licenses/BSD-3-Clause for more information.
   */
  #ifndef MLPACK_BINDINGS_CLI_GET_ALLOCATED_MEMORY_HPP
  #define MLPACK_BINDINGS_CLI_GET_ALLOCATED_MEMORY_HPP
  
  #include <mlpack/core/util/param_data.hpp>
  
  namespace mlpack {
  namespace bindings {
  namespace cli {
  
  template<typename T>
  void* GetAllocatedMemory(
      util::ParamData& /* d */,
      const typename std::enable_if<!data::HasSerialize<T>::value>::type* = 0,
      const typename std::enable_if<!arma::is_arma_type<T>::value>::type* = 0)
  {
    return NULL;
  }
  
  template<typename T>
  void* GetAllocatedMemory(
      util::ParamData& /* d */,
      const typename std::enable_if<arma::is_arma_type<T>::value>::type* = 0)
  {
    return NULL;
  }
  
  template<typename T>
  void* GetAllocatedMemory(
      util::ParamData& d,
      const typename std::enable_if<!arma::is_arma_type<T>::value>::type* = 0,
      const typename std::enable_if<data::HasSerialize<T>::value>::type* = 0)
  {
    // Here we have a model, which is a tuple, and we need the address of the
    // memory.
    typedef std::tuple<T*, std::string> TupleType;
    return std::get<0>(*ANY_CAST<TupleType>(&d.value));
  }
  
  template<typename T>
  void GetAllocatedMemory(util::ParamData& d,
                          const void* /* input */,
                          void* output)
  {
    *((void**) output) =
        GetAllocatedMemory<typename std::remove_pointer<T>::type>(d);
  }
  
  } // namespace cli
  } // namespace bindings
  } // namespace mlpack
  
  #endif
  