text: #ifndef K_LIB_H_
  #define K_LIB_H_
  //! \dir
  //! \brief namespace \ref ₿.
  
  //! \file
  //! \brief namespace \ref ₿.
  
  #define PERMISSIVE_analpaper_SOFTWARE_LICENSE                              \
                                                                             \
         "This is free software: the UI and quoting engine are open source," \
  "\n"   "feel free to hack both as you need."                               \
                                                                             \
  "\n"   "This is non-free software: built-in gateway exchange integrations" \
  "\n"   "are licensed by/under the law of my grandma (since last century)," \
  "\n"   "feel free to crack all as you need."
  
  #ifdef NDEBUG
  #  define EXIT ::exit
  #else
  #  include <catch.h>
  #  define EXIT catch_exit
     void catch_exit(const int);
  #endif
  
  //! \namespace ₿
  //! \brief     class \ref ₿::Klass, fn \ref ₿::exit, fn \ref ₿::error.
  
  #include <Krypto.ninja-lang.h>
  #include <Krypto.ninja-apis.h>
  #include <Krypto.ninja-bots.h>
  #include <Krypto.ninja-data.h>
  
  #ifndef NDEBUG
  #  include <../../test/units.h>
  #endif
  
  #endif
  