// Copyright The OpenTelemetry Authors // SPDX-License-Identifier: Apache-2.0 // NOTE - code within detail namespace implements internal details, and not part // of the public interface. #pragma once #define OPENTELEMETRY_STRINGIFY(S) OPENTELEMETRY_STRINGIFY_(S) #define OPENTELEMETRY_STRINGIFY_(S) #S #define OPENTELEMETRY_CONCAT(A, B) OPENTELEMETRY_CONCAT_(A, B) #define OPENTELEMETRY_CONCAT_(A, B) A##B // Import the C++20 feature-test macros #ifdef __has_include # if __has_include() # include # endif #elif defined(_MSC_VER) && ((defined(__cplusplus) && __cplusplus >= 202002L) || \ (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L)) # if _MSC_VER >= 1922 # include # endif #endif