Method drain_entries

crates/vm/src/dict_inner.rs:814–820

Pop all entries from the dict, returning (key, value) pairs. This is used for circular reference resolution in GC. Requires &mut self to avoid lock contention.

(&mut self)

    /// This is used for circular reference resolution in GC.
    /// Requires &mut self to avoid lock contention.
    pub fn drain_entries(&mut self) -> impl Iterator<Item = (PyObjectRef, T)> + '_ {
        let inner = self.inner.get_mut();
        inner.used = 0;
        inner.filled = 0;
        inner.indices.iter_mut().for_each(|i| *i = IndexEntry::FREE);
        inner.entries.drain(..).flatten().map(|e| (e.key, e.value))
    }
}

type LookupResult = (IndexEntry, IndexIndex);