fn test_borrow_guards()

in gazebo/src/cell.rs [260:271]

• 12 lines of code
• 1 McCabe index (conditional complexity)

    fn test_borrow_guards() {
        let c = RefCell::new(5);
        assert!(c.try_borrow_mut().is_ok());
        let r1 = ARef::new_ref(c.borrow());
        assert!(c.try_borrow_mut().is_err());
        let r2 = c.borrow();
        assert!(c.try_borrow_mut().is_err());
        mem::drop(r1);
        assert!(c.try_borrow_mut().is_err());
        mem::drop(r2);
        assert!(c.try_borrow_mut().is_ok());
    }