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#ifndef ENTT_PLATFORM_ANDROID_NDK_R17_HPP
#define ENTT_PLATFORM_ANDROID_NDK_R17_HPP
/**
* @cond TURN_OFF_DOXYGEN
* Internal details not to be documented.
*/
#ifdef __ANDROID__
# include <android/ndk-version.h>
# if __NDK_MAJOR__ == 17
# include <functional>
# include <type_traits>
# include <utility>
namespace std {
namespace internal {
template<typename Func, typename... Args>
constexpr auto is_invocable(int) -> decltype(std::invoke(std::declval<Func>(), std::declval<Args>()...), std::true_type{});
template<typename, typename...>
constexpr std::false_type is_invocable(...);
template<typename Ret, typename Func, typename... Args>
constexpr auto is_invocable_r(int)
-> std::enable_if_t<decltype(std::is_convertible_v<decltype(std::invoke(std::declval<Func>(), std::declval<Args>()...)), Ret>, std::true_type>;
template<typename, typename, typename...>
constexpr std::false_type is_invocable_r(...);
} // namespace internal
template<typename Func, typename... Args>
struct is_invocable: decltype(internal::is_invocable<Func, Args...>(0)) {};
template<typename Func, typename... Argsv>
inline constexpr bool is_invocable_v = std::is_invocable<Func, Args...>::value;
template<typename Ret, typename Func, typename... Args>
struct is_invocable_r: decltype(internal::is_invocable_r<Ret, Func, Args...>(0)) {};
template<typename Ret, typename Func, typename... Args>
inline constexpr bool is_invocable_r_v = std::is_invocable_r<Ret, Func, Args...>::value;
template<typename Func, typename... Args>
struct invoke_result {
using type = decltype(std::invoke(std::declval<Func>(), std::declval<Args>()...));
};
template<typename Func, typename... Args>
using invoke_result_t = typename std::invoke_result<Func, Args...>::type;
} // namespace std
# endif
#endif
/**
* Internal details not to be documented.
* @endcond
*/
#endif
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