unique_job.hpp

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#pragma once
 
#include <yaclib/exe/job.hpp>
#include <yaclib/util/detail/safe_call.hpp>
 
#include <utility>
 
namespace yaclib::detail {
 
template <typename Func>
class UniqueJob final : public Job, public SafeCall<Func> {
 public:
  using SafeCall<Func>::SafeCall;
 
 private:
  void Call() noexcept final;
  void Drop() noexcept final;
};
 
template <typename Func>
void UniqueJob<Func>::Call() noexcept {
  SafeCall<Func>::Call();
  Drop();
}
 
template <typename Func>
void UniqueJob<Func>::Drop() noexcept {
  delete this;
}
 
template <typename Func>
Job* MakeUniqueJob(Func&& f) {
  return new UniqueJob<decltype(std::forward<Func>(f))>{std::forward<Func>(f)};
}
 
}  // namespace yaclib::detail