void local fn DoSomething
  CFStringRef obj
  ExceptionRef e

  CFArrayRef array = @[@"Alpha",@"Bravo",@"Charlie"]

  try
    print @"<try>"
    obj = array[3] // if exception, go to catch -->
    print obj
    print @"no exception"
  end try

  catch ( e ) // handle exception
    print : print @"<catch>"
    print e
  end catch

  finally // finally is always executed
    print : print @"<finally>"

    // ... cleanup

  end finally
end fn

fn DoSomething

HandleEvents