Method Next

internal/json.cc:1399–1417

  JsonMapIterator& operator=(JsonMapIterator&&) = default;

  Value Next(std::string& scratch ABSL_ATTRIBUTE_LIFETIME_BOUND) {
    Value result;
    absl::visit(absl::Overload(
                    [&](Generated& generated) -> void {
                      result = std::pair{absl::string_view(generated->first),
                                         &generated->second};
                      ++generated;
                    },
                    [&](Dynamic& dynamic) -> void {
                      const auto& key = dynamic.GetKey().GetStringValue();
                      scratch.assign(key.data(), key.size());
                      result =
                          std::pair{absl::string_view(scratch),
                                    &dynamic.GetValueRef().GetMessageValue()};
                      ++dynamic;
                    }),
                variant_);
    return result;
  }

 private:
  absl::variant<Generated, Dynamic> variant_;