pub fn focus_previous() -> Command {
        Rc::new(|ref mut wm| {
            wm.group_mut().focus_previous();
            Ok(())
        })
    }
/// Moves the focus to the previous window in the current group's stack.
Moves the focus to the previous window in the current group's stack.
Moves the focus to the previous window in the current group ' s stack .
pub fn focus_previous() -> Command {
        Rc::new(|ref mut wm| {
            wm.group_mut().focus_previous();
            Ok(())
        })
    }
pub fn focus_previous ( ) -> Command { Rc :: new ( | ref mut wm | { wm . group_mut ( ) . focus_previous ( ) ; Ok ( ( ) ) } ) }
Moves the focus to the previous window in the current group's stack.
Moves the focus to the previous window in the current group ' s stack .