def tab_lead
import cswap-bend-cli@0.1.0.0/fmt/yamlr.bend as Yamlrimport Base
42def tab_lead(s: String) -> Bool:
43 match s:
44 case SCon{Chr{+c}, t}:
45 Bool.pick(Bool, U32.is_eq(c, 32), tab_lead(t), U32.is_eq(c, 9))
46 case SNil{}:
47 False{}