FairMQ/fairmq/tools/CppSTL.h
Dennis Klein a26925cbf5 FairMQ: Fix various errors from CI
* move Plugins::Version to fair::mq::tools
* fix Parser interface
* make device a shared pointer in main
* provide std::hash template specialization
* fix FairMQ.Plugins/FairMQ.PluginsStatic when run with ctest
* fix MQ/serialization example
* add --no-as-needed flag
* GCC 4 does not support member refs, move to pointer types
2017-07-04 07:05:11 +02:00

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1.4 KiB
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/********************************************************************************
* Copyright (C) 2017 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
* *
* This software is distributed under the terms of the *
* GNU Lesser General Public Licence (LGPL) version 3, *
* copied verbatim in the file "LICENSE" *
********************************************************************************/
#ifndef FAIR_MQ_TOOLS_CPPSTL_H
#define FAIR_MQ_TOOLS_CPPSTL_H
#include <functional>
#include <memory>
#include <type_traits>
namespace fair
{
namespace mq
{
namespace tools
{
// make_unique implementation, until C++14 is default
template<typename T, typename ...Args>
std::unique_ptr<T> make_unique(Args&& ...args)
{
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
// provide an enum hasher to compensate std::hash not supporting enums in C++11
template<typename Enum>
struct HashEnum
{
auto operator()(const Enum& e) const noexcept
-> typename std::enable_if<std::is_enum<Enum>::value, std::size_t>::type
{
using _type = typename std::underlying_type<Enum>::type;
return std::hash<_type>{}(static_cast<_type>(e));
}
};
} /* namespace tools */
} /* namespace mq */
} /* namespace fair */
#endif /* FAIR_MQ_TOOLS_CPPSTL_H */