52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
/*
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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_COMPONENT_INSTALL_ARG_CHECKS_DEFN_H
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#define FRUIT_COMPONENT_INSTALL_ARG_CHECKS_DEFN_H
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#include <fruit/impl/component_install_arg_checks.h>
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#include <utility>
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#include <functional>
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namespace fruit {
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namespace impl {
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template <typename T>
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FRUIT_ALWAYS_INLINE inline int checkAcceptableComponentInstallArg() {
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// This lambda checks that the required operations on T exist.
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// Note that the lambda is never actually executed.
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auto checkRequirements = [](const T& constRef, T value) {
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T x1(constRef);
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T x2(std::move(value));
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x1 = constRef;
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x2 = std::move(value);
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bool b = (constRef == constRef);
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std::size_t h = std::hash<T>()(constRef);
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(void)x1;
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(void)x2;
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(void)b;
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(void)h;
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};
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(void)checkRequirements;
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return 0;
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}
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} // namespace impl
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} // namespace fruit
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#endif // FRUIT_COMPONENT_INSTALL_ARG_CHECKS_DEFN_H
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