wehub-resource-sync
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
// Copyright 2017 The Ray Authors.
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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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#pragma once
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#include <ray/api/object_ref.h>
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#include <boost/callable_traits.hpp>
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#include <type_traits>
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namespace ray {
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namespace internal {
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template <typename T>
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struct FilterArgType {
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using type = T;
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};
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template <typename T>
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struct FilterArgType<ObjectRef<T>> {
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using type = T;
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};
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template <typename T>
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struct FilterArgType<ObjectRef<T> &> {
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using type = T;
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};
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template <typename T>
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struct FilterArgType<ObjectRef<T> &&> {
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using type = T;
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};
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template <typename T>
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struct FilterArgType<const ObjectRef<T> &> {
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using type = T;
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};
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template <typename F, typename... Args>
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struct is_invocable
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: std::is_constructible<
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std::function<void(Args...)>,
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std::reference_wrapper<typename std::remove_reference<F>::type>> {};
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template <typename Function, typename... Args>
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inline std::enable_if_t<!std::is_member_function_pointer<Function>::value> StaticCheck() {
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static_assert(is_invocable<Function, typename FilterArgType<Args>::type...>::value ||
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is_invocable<Function, Args...>::value,
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"arguments not match");
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}
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template <typename Function, typename... Args>
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inline std::enable_if_t<std::is_member_function_pointer<Function>::value> StaticCheck() {
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using ActorType = boost::callable_traits::class_of_t<Function>;
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static_assert(
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is_invocable<Function, ActorType &, typename FilterArgType<Args>::type...>::value ||
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is_invocable<Function, ActorType &, Args...>::value,
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"arguments not match");
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}
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} // namespace internal
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} // namespace ray
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