CppSTL.h
/********************************************************************************
* 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 */
fair::mq::tools::HashEnum
Definition: CppSTL.h:32
fair
Definition: DeviceRunner.h:23