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/////////////////////////////////////////////////////////////////////////////
// Copyright (c) Electronic Arts Inc. All rights reserved.
/////////////////////////////////////////////////////////////////////////////
#ifndef EASTL_TUPLE_FWD_DECLS_H
#define EASTL_TUPLE_FWD_DECLS_H
#include <EASTL/internal/config.h>
#if EASTL_TUPLE_ENABLED
namespace eastl
{
template <typename... T>
class tuple;
template <typename Tuple>
class tuple_size;
template <size_t I, typename Tuple>
class tuple_element;
template <size_t I, typename Tuple>
using tuple_element_t = typename tuple_element<I, Tuple>::type;
// const typename for tuple_element_t, for when tuple or TupleImpl cannot itself be const
template <size_t I, typename Tuple>
using const_tuple_element_t = typename conditional<
is_lvalue_reference<tuple_element_t<I, Tuple>>::value,
add_lvalue_reference_t<const remove_reference_t<tuple_element_t<I, Tuple>>>,
const tuple_element_t<I, Tuple>
>::type;
// get
template <size_t I, typename... Ts_>
tuple_element_t<I, tuple<Ts_...>>& get(tuple<Ts_...>& t);
template <size_t I, typename... Ts_>
const_tuple_element_t<I, tuple<Ts_...>>& get(const tuple<Ts_...>& t);
template <size_t I, typename... Ts_>
tuple_element_t<I, tuple<Ts_...>>&& get(tuple<Ts_...>&& t);
template <typename T, typename... ts_>
T& get(tuple<ts_...>& t);
template <typename T, typename... ts_>
const T& get(const tuple<ts_...>& t);
template <typename T, typename... ts_>
T&& get(tuple<ts_...>&& t);
}
#endif // EASTL_VARIADIC_TEMPLATES_ENABLED
#endif // EASTL_TUPLE_FWD_DECLS_H
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