variant.hpp

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#pragma once
 
/// @file userver/formats/serialize/variant.hpp
/// @brief Serializers for std::variant
/// @ingroup userver_universal userver_formats_serialize
 
#include <variant>
 
#include <userver/formats/serialize/to.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace formats::serialize {
 
template <typename Value, typename... Types>
Value Serialize(const std::variant<Types...>& value, To<Value>) {
  return std::visit(
      [](const auto& item) {
        return typename Value::Builder(item).ExtractValue();
      },
      value);
}
 
}  // namespace formats::serialize
 
USERVER_NAMESPACE_END