def decimal_scan
import cli@0.2.0.0/cli.bend as Cliimport Base
1998def decimal_scan(s: String, state: DecimalState) -> Bool:
1999 match s:
2000 case SNil{}: decimal_accept(state)
2001 case SCon{head, tail}:
2002 decimal_scan(tail, decimal_step(state, head))