choose_namespace.h

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/******************************************************************************
The MIT License(MIT)
 
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
 
Copyright(c) 2019 John Wellbelove
 
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#ifndef ETL_CHOOSE_NAMESPACE_INCLUDED
#define ETL_CHOOSE_NAMESPACE_INCLUDED
 
#undef ETL_OR_STD
#undef ETL_OR_STD11
#undef ETL_OR_STD14
 
#if ETL_NOT_USING_STL && !defined(ETL_IN_UNIT_TEST)
  // If we're not using the STL and we are not unit testing, then use the ETL's
  // definitions under the etl namespace
  #define ETL_OR_STD              etl
  #define ETL_USING_STD_NAMESPACE 0
  #define ETL_USING_ETL_NAMESPACE 1
#else
  // We will use the STL's definitions under the std namespace
  #define ETL_OR_STD              std
  #define ETL_USING_STD_NAMESPACE 1
  #define ETL_USING_ETL_NAMESPACE 0
#endif
 
#if (ETL_NOT_USING_STL && !defined(ETL_IN_UNIT_TEST)) || ETL_CPP11_NOT_SUPPORTED
  // If we're not using the STL and we are not unit testing or C++11 is not
  // supported, then use the ETL's definitions under the etl namespace
  #define ETL_OR_STD11              etl
  #define ETL_USING_STD11_NAMESPACE 0
  #define ETL_USING_ETL11_NAMESPACE 1
#else
  // We will use the STL's definitions under the std namespace
  #define ETL_OR_STD11              std
  #define ETL_USING_STD11_NAMESPACE 1
  #define ETL_USING_ETL11_NAMESPACE 0
#endif
 
#if (ETL_NOT_USING_STL && !defined(ETL_IN_UNIT_TEST)) || ETL_CPP14_NOT_SUPPORTED
  // If we're not using the STL and we are not unit testing or C++14 is not
  // supported, then use the ETL's definitions under the etl namespace
  #define ETL_OR_STD14              etl
  #define ETL_USING_STD14_NAMESPACE 0
  #define ETL_USING_ETL14_NAMESPACE 1
#else
  // We will use the STL's definitions under the std namespace
  #define ETL_OR_STD14              std
  #define ETL_USING_STD14_NAMESPACE 1
  #define ETL_USING_ETL14_NAMESPACE 0
#endif
 
#if (ETL_NOT_USING_STL && !defined(ETL_IN_UNIT_TEST)) || ETL_CPP17_NOT_SUPPORTED
  // If we're not using the STL and we are not unit testing or C++17 is not
  // supported, then use the ETL's definitions under the etl namespace
  #define ETL_OR_STD17              etl
  #define ETL_USING_STD17_NAMESPACE 0
  #define ETL_USING_ETL17_NAMESPACE 1
#else
  // We will use the STL's definitions under the std namespace
  #define ETL_OR_STD17              std
  #define ETL_USING_STD17_NAMESPACE 1
  #define ETL_USING_ETL17_NAMESPACE 0
#endif
 
#endif