fixed.hpp

Go to the documentation of this file.

#ifndef MLPACK_CORE_HPT_FIXED_HPP
#define MLPACK_CORE_HPT_FIXED_HPP

#include <type_traits>

#include <mlpack/core.hpp>

namespace mlpack {
namespace hpt {

template<typename>
struct PreFixedArg;

template<typename T>
PreFixedArg<T> Fixed(T&& value)
{
  return PreFixedArg<T>{std::forward<T>(value)};
}

template<typename T, size_t I>
struct FixedArg
{
  static const size_t index = I;

  const T& value;
};

template<typename T>
struct PreFixedArg
{
  using Type = T;

  const T value;
};

template<typename T>
struct PreFixedArg<T&>
{
  using Type = T;

  const T& value;
};

template<typename T>
class IsPreFixedArg
{
  template<typename>
  struct Implementation : std::false_type {};

  template<typename Type>
  struct Implementation<PreFixedArg<Type>> : std::true_type {};

 public:
  static const bool value = Implementation<typename std::decay<T>::type>::value;
};

} // namespace hpt
} // namespace mlpack

#endif