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/*
* Copyright 2014 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FRUIT_META_IMMUTABLE_SET_H
#define FRUIT_META_IMMUTABLE_SET_H
#include <fruit/impl/fruit_assert.h>
#include <fruit/impl/meta/basics.h>
#include <fruit/impl/meta/vector.h>
namespace fruit {
namespace impl {
namespace meta {
// ImmutableSet ::= ConsImmutableSet<Ts...>
template <typename... Ts>
struct ConsImmutableSet : public Ts... {};
struct VectorToImmutableSet {
template <typename V>
struct apply;
template <typename... Ts>
struct apply<Vector<Ts...>> {
using type = ConsImmutableSet<Ts...>;
};
};
struct IsInImmutableSet {
template <typename S, typename T>
struct apply {
using type = Bool<std::is_base_of<T, S>::value>;
};
};
struct SizeOfImmutableSet {
template <typename IS>
struct apply;
template <typename... Ts>
struct apply<ConsImmutableSet<Ts...>> {
using type = Int<sizeof...(Ts)>;
};
};
} // namespace meta
} // namespace impl
} // namespace fruit
#endif // FRUIT_META_IMMUTABLE_SET_H