def digit_head
import bend-ml-llama@0.2.1.0/main.bend as BendMlLlamaimport Base
1575def digit_head(xs: List<&2, U32>) -> Bool:
1576 match xs:
1577 case Nil{}:
1578 False{}
1579 case Con{+b, t}:
1580 Bool.and(U32.is_le(48, b), U32.is_le(b, 57))