appHelpMessage method

void appHelpMessage()

"Batteries-included" app help text! Prints help info about the app when the app is invoked with "help", "--help", or "-h".

Implementation

void appHelpMessage() {
  print('\n');
  for (String arg in this.argumentsDataBase.keys) {
    String argumentName = arg;
    String argumentHelpHint = this.argumentsDataBase[arg][0];
    String spaces = '  ';
    String message = '$argumentName$spaces$argumentHelpHint';
    print(message);
  }
  print('\n');
}