.. _program_listing_file_include_opentelemetry_context_context_value.h:

Program Listing for File context_value.h
========================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_opentelemetry_context_context_value.h>` (``include/opentelemetry/context/context_value.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright The OpenTelemetry Authors
   // SPDX-License-Identifier: Apache-2.0
   
   #pragma once
   
   #include <cstdint>
   
   #include "opentelemetry/baggage/baggage.h"
   #include "opentelemetry/nostd/shared_ptr.h"
   #include "opentelemetry/nostd/span.h"
   #include "opentelemetry/nostd/unique_ptr.h"
   #include "opentelemetry/nostd/variant.h"
   #include "opentelemetry/trace/span.h"
   #include "opentelemetry/trace/span_context.h"
   #include "opentelemetry/version.h"
   
   OPENTELEMETRY_BEGIN_NAMESPACE
   namespace context
   {
   using ContextValue = nostd::variant<nostd::monostate,
                                       bool,
                                       int64_t,
                                       uint64_t,
                                       double,
                                       nostd::shared_ptr<trace::Span>,
                                       nostd::shared_ptr<trace::SpanContext>,
                                       nostd::shared_ptr<baggage::Baggage>>;
   }  // namespace context
   OPENTELEMETRY_END_NAMESPACE