ServicePack.h

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#ifndef DETECTORINFOSERVICE_SERVICEPACK_H
#define DETECTORINFOSERVICE_SERVICEPACK_H 1

// LArSoft libraries
#include "larcorealg/CoreUtils/ProviderPack.h"
#include "larcore/CoreUtils/ServiceUtil.h" // lar::providerFrom()


namespace lar {
  /*
  namespace details { 
    
  } // namespace details
  */
  
  template <typename... Services>
  using ProviderPackFromServices
    = lar::ProviderPack<typename Services::provider_type...>;
  
  template <typename... Services>
  ProviderPackFromServices<Services...> extractProviders()
    { return { lar::providerFrom<Services>()... }; }

} // namespace lar

//==============================================================================
//=== template implementation
//===
/*
namespace lar {
  namespace details {
    //--------------------------------------------------------------------------
 
    //--------------------------------------------------------------------------
  } // namespace details
} // namespace lar
*/

#endif // DETECTORINFOSERVICE_SERVICEPACK_H