9.2/includes/opentelemetry/sdk/common/empty_attributes.h

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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
 
#pragma once
 
#include <array>
#include <string>
#include <utility>
 
#include "opentelemetry/common/key_value_iterable_view.h"
#include "opentelemetry/common/macros.h"
#include "opentelemetry/version.h"
 
OPENTELEMETRY_BEGIN_NAMESPACE
namespace sdk
{
 
static const opentelemetry::common::KeyValueIterableView<
    std::array<std::pair<std::string, int32_t>, 0>> &
GetEmptyAttributes() noexcept
{
  static const std::array<std::pair<std::string, int32_t>, 0> array{};
  static const opentelemetry::common::KeyValueIterableView<
      std::array<std::pair<std::string, int32_t>, 0>>
      kEmptyAttributes(array);
 
  return kEmptyAttributes;
}
 
}  // namespace sdk
OPENTELEMETRY_END_NAMESPACE