55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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// Copyright (c) 2017 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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*/
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#pragma once
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#include <type_traits>
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namespace cldnn {
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struct primitive;
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namespace meta {
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// helper struct to tell wheter type T is any of given types U...
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// termination case when U... is empty -> return std::false_type
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template <class T, class... U>
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struct is_any_of : public std::false_type {};
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// helper struct to tell whether type is any of given types (U, Rest...)
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// recurrence case when at least one type U is present -> returns std::true_type if std::same<T, U>::value is true,
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// otherwise call is_any_of<T, Rest...> recurrently
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template <class T, class U, class... Rest>
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struct is_any_of<T, U, Rest...>
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: public std::conditional<std::is_same<T, U>::value, std::true_type, is_any_of<T, Rest...>>::type {};
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template <class T>
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struct always_false : public std::false_type {};
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template <typename Ty, Ty Val>
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struct always_false_ty_val : public std::false_type {};
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template <typename Ty, Ty... Vals>
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struct val_tuple {};
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template <bool... Values>
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struct all : public std::true_type {};
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template <bool Val, bool... Values>
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struct all<Val, Values...> : public std::integral_constant<bool, Val && all<Values...>::value> {};
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} // namespace meta
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} // namespace cldnn
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