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65 lines
1.5 KiB
65 lines
1.5 KiB
/*
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* Copyright 2014 Google Inc. All rights reserved.
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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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#ifndef FRUIT_META_IMMUTABLE_SET_H
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#define FRUIT_META_IMMUTABLE_SET_H
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#include <fruit/impl/fruit_assert.h>
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#include <fruit/impl/meta/basics.h>
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#include <fruit/impl/meta/vector.h>
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namespace fruit {
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namespace impl {
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namespace meta {
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// ImmutableSet ::= ConsImmutableSet<Ts...>
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template <typename... Ts>
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struct ConsImmutableSet : public Ts... {};
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struct VectorToImmutableSet {
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template <typename V>
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struct apply;
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template <typename... Ts>
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struct apply<Vector<Ts...>> {
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using type = ConsImmutableSet<Ts...>;
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};
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};
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struct IsInImmutableSet {
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template <typename S, typename T>
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struct apply {
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using type = Bool<std::is_base_of<T, S>::value>;
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};
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};
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struct SizeOfImmutableSet {
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template <typename IS>
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struct apply;
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template <typename... Ts>
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struct apply<ConsImmutableSet<Ts...>> {
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using type = Int<sizeof...(Ts)>;
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};
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};
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} // namespace meta
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} // namespace impl
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} // namespace fruit
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#endif // FRUIT_META_IMMUTABLE_SET_H
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