welcome.ixx

// Fig. 16.2: welcome.ixx
// Primary module interface for a module named welcome.
export module welcome; // introduces the module name

import <string>; // class string is used in this module

// exporting a function
export std::string welcomeStandalone() {
   return "welcomeStandalone function called";
}

// exporting all items in the braces that follow export
export {
   std::string welcomeFromExportBlock() {
      return "welcomeFromExportBlock function called";
   }
}

// exporting a namespace exports all items in the namespace
export namespace TestNamespace1 {
   std::string welcomeFromTestNamespace1() {
      return "welcomeFromTestNamespace1 function called";
   }
}

// exporting an item in a namespace exports the namespace name, too
namespace TestNamespace2 {
   export std::string welcomeFromTestNamespace2() {
      return "welcomeFromTestNamespace2 function called";
   }
}




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