gio:application-version (object)

object -- a g:application instance
version -- a string for the version number of the application

Accessor of the version slot of the g:application class. The g:application-version function gets the version of the application. The (setf g:application-version) function sets the version. This will be used to implement a --version command line argument. The application version can only be modified if the application has not yet been registered.

Since 2.80