Program Listing for File scope_exit.hpp
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// Copyright 2015 Open Source Robotics Foundation, Inc.
//
// 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 OSRF_TESTING_TOOLS_CPP__SCOPE_EXIT_HPP_
#define OSRF_TESTING_TOOLS_CPP__SCOPE_EXIT_HPP_
#include <functional>
#include "./macros.hpp"
namespace osrf_testing_tools_cpp
{
template<typename Callable>
struct ScopeExit
{
explicit ScopeExit(Callable callable)
: callable_(callable) {}
~ScopeExit() {callable_();}
private:
Callable callable_;
};
template<typename Callable>
ScopeExit<Callable>
make_scope_exit(Callable callable)
{
return ScopeExit<Callable>(callable);
}
} // namespace osrf_testing_tools_cpp
#define OSRF_TESTING_TOOLS_CPP_SCOPE_EXIT(code) \
auto OSRF_TESTING_TOOLS_CPP_STRING_JOIN(scope_exit_, __LINE__) = \
osrf_testing_tools_cpp::make_scope_exit([&]() {code;})
#endif // OSRF_TESTING_TOOLS_CPP__SCOPE_EXIT_HPP_