Method pop_back

crates/vm/src/dict_inner.rs:786–801

(&self)

    }

    pub fn pop_back(&self) -> Option<(PyObjectRef, T)> {
        let inner = &mut *self.write();
        let entry = loop {
            let entry = inner.entries.pop()?;
            if let Some(entry) = entry {
                break entry;
            }
        };
        inner.used -= 1;
        *unsafe {
            // entry.index always refers valid index
            inner.indices.get_unchecked_mut(entry.index)
        } = IndexEntry::DUMMY;
        self.bump_version();
        Some((entry.key, entry.value))
    }

    pub fn sizeof(&self) -> usize {
        let inner = self.read();