Processable.h

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// Copyright (c) Fraunhofer MEVIS, Germany. All rights reserved.
// **InsertLicense** code
 
#pragma once
 
#include <asio/Processor.h>
 
 
namespace asio {
 
  template<typename Result, typename... Args>
  class ProcessableType;
 
  // see Executable.h for explanation of the vtordisp pragma
 
#ifdef _MSC_VER
#pragma vtordisp(push, 2)
#endif
  template<typename Result, typename... Args>
  class ProcessableType<Result, ParameterPack<Args...>> : public virtual Processor
  {
  public:
 
    using InputSignature = ParameterPack<Args...>;
 
    using ResultType = Result;
 
    virtual Result process(Args... args) = 0;
  };
#ifdef _MSC_VER
#pragma vtordisp(pop)
#endif
 
  template<typename Result, typename... Args>
  using ConstRefProcessable = ProcessableType<Result, ParameterPack<const Args&...>>;
 
  template<typename Result, typename... Args>
  using ByValueProcessable = ProcessableType<Result, ParameterPack<Args...>>;
 
  template<typename Result, typename... Args>
  using Processable = ConstRefProcessable<Result, Args...>;
}