Method swap

crates/vm/src/object/ext.rs:330–334

(&self, pyref: PyRef<T>)

    /// until no more reference can be used via PyAtomicRef::deref()
    #[must_use]
    pub unsafe fn swap(&self, pyref: PyRef<T>) -> PyRef<T> {
        let py = PyRef::leak(pyref) as *const Py<T> as *mut _;
        let old = Radium::swap(&self.inner, py, Ordering::AcqRel);
        unsafe { PyRef::from_raw(old.cast()) }
    }

    pub fn swap_to_temporary_refs(&self, pyref: PyRef<T>, vm: &VirtualMachine) {
        let old = unsafe { self.swap(pyref) };