This example shows how to use various features of the CLI language. The example consists of the following files: options.cli Command line interface description in the CLI language. options.hxx options.ixx options.cxx Command line interface implementation in C++. These files are generated by the CLI compiler from hello.cli using the following command line: cli options.cli driver.cxx Driver for the example. It first instantiates the option class which parses the command line. The driver then examines and prints the option values. To run the example you can try various command lines suggested in options.cli.