AuxElementConcepts.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
/*
 * Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration.
 */
 
 
#ifndef ATHCONTAINERS_AUXELEMENTCONCEPTS_H
#define ATHCONTAINERS_AUXELEMENTCONCEPTS_H
 
 
#include "AthContainersInterfaces/IAuxElement.h"
#include "AthContainers/AuxVectorData.h"
 
 
namespace SG {
 

template <class T>
concept IsConstAuxElement =
  requires (const T& elt)
  {
    { elt } -> std::convertible_to<const IAuxElement&>;
    { elt.container() } -> std::convertible_to<const AuxVectorData*>;
  };
 

template <class T>
concept IsAuxElement =
  requires (T& elt)
  {
    { elt } -> std::convertible_to<IAuxElement&>;
    { elt.container() } -> std::convertible_to<AuxVectorData*>;
  };
 
 
} // namespace SG
 
 
#endif // not ATHCONTAINERS_AUXELEMENTCONCEPTS_H