Method get_cell_contents

crates/vm/src/frame.rs:803–811

Get cell contents by localsplus index.

(&self, localsplus_idx: usize)

    /// Get cell contents by localsplus index.
    pub(crate) fn get_cell_contents(&self, localsplus_idx: usize) -> Option<PyObjectRef> {
        // SAFETY: Frame not executing; no concurrent mutation.
        let fastlocals = unsafe { (*self.iframe.get()).localsplus.fastlocals() };
        fastlocals
            .get(localsplus_idx)
            .and_then(|slot| slot.as_ref())
            .and_then(|obj| obj.downcast_ref::<PyCell>())
            .and_then(|cell| cell.get())
    }

    /// Store a borrowed back-reference to the owning generator/coroutine.
    /// The caller must ensure the generator outlives the frame.