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108 lines
2.5 KiB
C++
108 lines
2.5 KiB
C++
/**
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* Copyright 2016 Denis Blank <denis.blank@outlook.com>
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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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#include <functional>
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#include <typeinfo>
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#include "gtest/gtest.h"
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#include "continuable/continuable.hpp"
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/// Contains helper classes to retrieve the arguments a callback
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/// is called with when passing it to the given function.
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namespace unwrap {
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} // namespace unwrap
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/*template<typename Expression, typename = void_t<>>
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struct is_compiling
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: std::false_type { };
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template<typename Expression>
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struct is_compiling<Expression, void_t<
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decltype(std::declval<Expression>()(0))>
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> : std::true_type { };*/
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/*
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template<typename T>
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struct CanUnwrap
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template<typename T>
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using CanUnwrapT =
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*/
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template<typename Functional, typename... Args>
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using is_argument_hint = Identity<
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typename unwrap_continuation_t<Functional>::argument_type,
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Identity<Args...>
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>;
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#define EXPECT_ARGUMENTS(FUNCTIONAL, ...) \
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\
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auto functional = FUNCTIONAL; \
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using id = Identity<__VA_ARGS__>; \
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id iiii{}; \
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Identity<is_argument_hint<decltype(functional), __VA_ARGS__ >> argst; /*\
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auto result = is_argument_hint< \
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decltype(functional), __VA_ARGS__ \
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>::value; \
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EXPECT_TRUE(result); \*/
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TEST(ContinuableUnwrapTests, FunctionsAreUnwrappable) {
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auto fn = [](std::function<void(int, int)>) {
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};
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using tt = typename unwrap_continuation_t<decltype(fn)>::argument_type;
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using tttt = is_argument_hint<decltype(fn), int, int>;
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// auto t = tttt::value;
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// EXPECT_ARGUMENTS(fn, int, int);
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// tt arg;
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// auto tp = typeid(arg).name();
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/*
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auto op = &decltype(fn)::operator();
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using opt = decltype(op);
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using unwrp = typename UnwrapArguments<opt>::type::only_argument_type;
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using cu = unwrap_functional_t<decltype(fn)>::type::only_argument_type;
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// using unwrp2 = typename UnwrapArguments<unwrp>::type;
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auto u = unwrp{};
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;
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int i = 0;
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// auto t = unwrap_functional<decltype(fn)>;
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*/
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/*EXPECT_ARGUMENTS();*/
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int i = 0;
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(void)i;
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}
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