eonix/gblibstdc++/include/bits/forward

#ifndef __GBLIBCPP_BITS_FORWARD__
#define __GBLIBCPP_BITS_FORWARD__

#include <bits/type_traits/remove_add>

namespace std {

template <typename T>
constexpr std::remove_reference_t<T>&& move(T&& val) noexcept
{
    return static_cast<std::remove_reference_t<T>&&>(val);
}

template <typename T>
constexpr T&& forward(std::remove_reference_t<T>& val) noexcept
{
    return static_cast<T&&>(val);
}
template <typename T>
constexpr T&& forward(std::remove_reference_t<T>&& val) noexcept
{
    return static_cast<T&&>(val);
}

template <typename T>
add_rvalue_reference_t<T> declval(void) noexcept
{
    static_assert(__helpers::template_false_type<T>::value,
        "declval cannot be evaluated.");
}

} // namespace std

#endif