Function specialization_nonnegative_compact_index

crates/vm/src/frame.rs:1134–1143

(i: &PyInt, vm: &VirtualMachine)

#[inline]
fn specialization_nonnegative_compact_index(i: &PyInt, vm: &VirtualMachine) -> Option<usize> {
    // _PyLong_IsNonNegativeCompact(): a single base-2^30 digit.
    const CPYTHON_COMPACT_LONG_MAX: u64 = (1u64 << 30) - 1;
    let v = i.try_to_primitive::<u64>(vm).ok()?;
    if v <= CPYTHON_COMPACT_LONG_MAX {
        Some(v as usize)
    } else {
        None
    }
}

fn release_datastack_frame(frame: &Py<Frame>, vm: &VirtualMachine) {
    unsafe {