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#pragma once
#include "fwd.h"
#include <tuple>
#include <type_traits>
namespace NYT {
/// @cond Doxygen_Suppress
////////////////////////////////////////////////////////////////////////////////
template <class TBase, class TDerived>
struct TIsBaseOf
{
static constexpr bool Value = std::is_base_of_v<TBase, TDerived> && !std::is_same_v<TBase, TDerived>;
};
////////////////////////////////////////////////////////////////////////////////
namespace NDetail {
template <class T, class Tuple>
struct TIndexInTuple;
template <class T, class... Types>
struct TIndexInTuple<T, std::tuple<T, Types...>>
{
static constexpr int Value = 0;
};
template <class T>
struct TIndexInTuple<T, std::tuple<>>
{
static constexpr int Value = 0;
};
template <class T, class U, class... Types>
struct TIndexInTuple<T, std::tuple<U, Types...>>
{
static constexpr int Value = 1 + TIndexInTuple<T, std::tuple<Types...>>::Value;
};
template <class T, class TTuple>
constexpr bool DoesTupleContainType = (TIndexInTuple<T, TTuple>::Value < std::tuple_size<TTuple>{});
template <class TOut, class TIn = std::tuple<>>
struct TUniqueTypes;
template <class... TOut, class TInCar, class... TInCdr>
struct TUniqueTypes<std::tuple<TOut...>, std::tuple<TInCar, TInCdr...>>
{
using TType = std::conditional_t<
DoesTupleContainType<TInCar, std::tuple<TOut...>>,
typename TUniqueTypes<std::tuple<TOut...>, std::tuple<TInCdr...>>::TType,
typename TUniqueTypes<std::tuple<TOut..., TInCar>, std::tuple<TInCdr...>>::TType
>;
};
template <class TOut>
struct TUniqueTypes<TOut, std::tuple<>>
{
using TType = TOut;
};
} // namespace NDetail
/// @endcond Doxygen_Suppress
////////////////////////////////////////////////////////////////////////////////
}
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