Method int_to_val

compiler/src/modules/vm/ops.rs:581–587

(&mut self, r: Option<i128>)

    /* Wrap an i128 into the narrowest Val: None->Overflow, 47-bit->inline, else LongInt. */
    #[inline]
    pub(crate) fn int_to_val(&mut self, r: Option<i128>) -> Result<Val, VmErr> {
        let i = r.ok_or(cold_overflow())?;
        if (Val::INT_MIN as i128..=Val::INT_MAX as i128).contains(&i) {
            return Ok(Val::int(i as i64));
        }
        self.heap.alloc(HeapObj::LongInt(i))
    }
}

/* i128 decimal render via itoa to avoid the heavier `format!` machinery on the hot path. */