def parse.req
import shake@0.7.0.0/src/cli.bend as Cliimport Base
1061# a required Arg without a default, as a missing name
1062def parse.req(aa: Arg) -> Maybe<&2, String>:
1063 Arg{+n, _s, _l, _k, _h, +req, Fallback{_e, default}, _c} = aa
1064 parse.req.go(req, Maybe.is_none(&2, String, default), n)