appVersionMessage method

void appVersionMessage()

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

Implementation

void appVersionMessage() {
  String appName = this.appName;
  String appVersion = this.appVersion;
  String message = '\n$appName v.$appVersion\n';
  print(message);
}