Function specialization_compact_int_value

crates/vm/src/frame.rs:1110–1120

(i: &PyInt, vm: &VirtualMachine)

#[inline]
fn specialization_compact_int_value(i: &PyInt, vm: &VirtualMachine) -> Option<isize> {
    // _PyLong_IsCompact(): a one-digit PyLong (base 2^30),
    // i.e. abs(value) <= 2^30 - 1.
    const CPYTHON_COMPACT_LONG_ABS_MAX: i64 = (1i64 << 30) - 1;
    let v = i.try_to_primitive::<i64>(vm).ok()?;
    if (-CPYTHON_COMPACT_LONG_ABS_MAX..=CPYTHON_COMPACT_LONG_ABS_MAX).contains(&v) {
        Some(v as isize)
    } else {
        None
    }
}

#[inline]
fn compact_int_from_obj(obj: &PyObject, vm: &VirtualMachine) -> Option<isize> {