def scan.flag
import cswap-bend-cli@0.1.0.0/args.bend as Argsimport Base
385def scan.flag(kv: String & Maybe<&2, String>, opts: List<&2, Opt>, err: String) -> Scan:
386 (+k, v) = kv
387 scan.flag2(has_str(k, valued()), has_str(k, switches()), k, v, opts, err)