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179 lines
3.4 KiB
179 lines
3.4 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_WRAPPERS_H
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#define FRUIT_META_WRAPPERS_H
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#include <fruit/impl/fruit-config.h>
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#include <memory>
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namespace fruit {
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namespace impl {
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namespace meta {
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struct ConsSignature {
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template <typename ReturnType, typename... Args>
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struct apply;
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template <typename ReturnType, typename... Args>
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struct apply<Type<ReturnType>, Type<Args>...> {
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using type = Type<ReturnType(Args...)>;
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};
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};
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struct ConsStdFunction {
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template <typename Signature>
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struct apply;
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template <typename Signature>
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struct apply<Type<Signature>> {
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using type = Type<std::function<Signature>>;
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};
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};
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struct ConsUniquePtr {
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template <typename T>
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struct apply;
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template <typename T>
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struct apply<Type<T>> {
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using type = Type<std::unique_ptr<T>>;
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};
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};
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struct RemoveUniquePtr {
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template <typename T>
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struct apply {
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using type = T;
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};
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template <typename T>
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struct apply<Type<std::unique_ptr<T>>> {
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using type = Type<T>;
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};
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};
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struct RemovePointer {
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template <typename T>
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struct apply {
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using type = T;
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};
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template <typename T>
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struct apply<Type<T*>> {
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using type = Type<T>;
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};
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};
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struct ConsReference {
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template <typename T>
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struct apply;
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template <typename T>
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struct apply<Type<T>> {
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using type = Type<T&>;
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};
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};
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struct ConsConstReference {
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template <typename T>
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struct apply;
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template <typename T>
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struct apply<Type<T>> {
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using type = Type<const T&>;
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};
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};
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struct IsEmpty {
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template <typename T>
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struct apply;
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template <typename T>
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struct apply<Type<T>> {
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using type = Bool<std::is_empty<T>::value>;
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};
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};
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struct IsTriviallyCopyable {
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template <typename T>
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struct apply;
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template <typename T>
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struct apply<Type<T>> {
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using type = Bool<FRUIT_IS_TRIVIALLY_COPYABLE(T)>;
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};
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};
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struct IsPointer {
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template <typename T>
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struct apply;
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template <typename T>
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struct apply<Type<T>> {
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using type = Bool<std::is_pointer<T>::value>;
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};
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};
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struct IsUniquePtr {
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template <typename T>
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struct apply {
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using type = Bool<false>;
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};
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template <typename T>
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struct apply<Type<std::unique_ptr<T>>> {
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using type = Bool<true>;
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};
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};
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struct IsAbstract {
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template <typename T>
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struct apply;
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template <typename T>
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struct apply<Type<T>> {
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using type = Bool<std::is_abstract<T>::value>;
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};
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};
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struct IsBaseOf {
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template <typename I, typename C>
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struct apply;
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template <typename I, typename C>
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struct apply<Type<I>, Type<C>> {
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using type = Bool<std::is_base_of<I, C>::value>;
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};
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};
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struct HasVirtualDestructor {
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template <typename T>
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struct apply;
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template <typename T>
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struct apply<Type<T>> {
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using type = Bool<std::has_virtual_destructor<T>::value>;
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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_WRAPPERS_H
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