Files
composable_kernel/include/ck/utility/is_detected.hpp
zjing14 2ce9b56c64 add vector_type support into thread_copy_v3r1 (#969)
* add vector_type support into thread_copy_v3r1

* remove unncessary type_convert

* fixed datatype

* fixed dataType

* changed API with is_packx_invocable

* changed example

* add missing cmake file

* fixed ci

* fixed cmake

---------

Co-authored-by: Jing Zhang <jizha@amd.com>
2023-10-13 15:11:43 -05:00

44 lines
1.1 KiB
C++

// SPDX-License-Identifier: MIT
// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
#pragma once
namespace ck {
namespace detail {
template <class Default, class AlwaysVoid, template <class...> class Op, class... Args>
struct detector
{
using value_t = std::false_type;
using type = Default;
};
template <class Default, template <class...> class Op, class... Args>
struct detector<Default, std::void_t<Op<Args...>>, Op, Args...>
{
using value_t = std::true_type;
using type = Op<Args...>;
};
} // namespace detail
struct nonesuch
{
~nonesuch() = delete;
nonesuch(nonesuch const&) = delete;
void operator=(nonesuch const&) = delete;
};
template <template <class...> class Op, class... Args>
using is_detected = typename detail::detector<nonesuch, void, Op, Args...>::value_t;
template <typename T>
using is_pack2_invocable_t = decltype(std::declval<T&>().is_pack2_invocable);
template <typename T>
using is_pack4_invocable_t = decltype(std::declval<T&>().is_pack4_invocable);
template <typename T>
using is_pack8_invocable_t = decltype(std::declval<T&>().is_pack8_invocable);
} // namespace ck