#ifndef TMP_UTILITY_H
#define TMP_UTILITY_H

#include <type_traits>

namespace tmp {

using Size = decltype(sizeof 0);

using Depth = signed long long int;

template<typename T>
using GetType = typename T::type;

namespace detail {

template<Depth V, Depth... Vs>
struct MaxImpl: std::integral_constant<Depth, (V>MaxImpl<Vs...>::value? V:MaxImpl<Vs...>::value)> {};

template<Depth V>
struct MaxImpl<V>: std::integral_constant<decltype(V), V> {};

template<Depth... Vs>
constexpr Depth Max = MaxImpl<Vs...>::value;

}

}

#endif