TypeListVisitor.h

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/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  @file TypeListVisitor.h
 
  Paul Licameli
 
**********************************************************************/
#ifndef __AUDACITY_TYPELIST_VISITOR__
#define __AUDACITY_TYPELIST_VISITOR__
 
#include "TypeList.h"
#include <functional>
#include <variant>
 
namespace TypeListVisitor {
using namespace TypeList;
 
template<bool Const, typename TypeList> struct VariantOfReferences
   : Apply<std::variant,
      Map_t<Fn<std::reference_wrapper>, MapConst_t<Const, TypeList>>>
{};
 
template<bool Const, typename TypeList> using VariantOfReferences_t =
   typename VariantOfReferences<Const, TypeList>::type;
 
}
 
#endif