Method gc_clear_weakrefs_collect_callbacks

crates/vm/src/object/core.rs:1719–1725

Clear weakrefs but collect callbacks instead of calling them. This is used by GC to ensure ALL weakrefs are cleared BEFORE any callbacks run. Returns collected callbacks as (PyRef , callback) pairs. = handle_weakrefs

(&self)

    /// Returns collected callbacks as (PyRef<PyWeak>, callback) pairs.
    // = handle_weakrefs
    pub fn gc_clear_weakrefs_collect_callbacks(&self) -> Vec<(PyRef<PyWeak>, PyObjectRef)> {
        if let Some(wrl) = self.weak_ref_list() {
            wrl.clear_for_gc_collect_callbacks(self)
        } else {
            vec![]
        }
    }

    /// Get raw pointers to referents without incrementing reference counts.
    /// This is used during GC to avoid reference count manipulation.