def eval_step
import cli@0.2.0.0/cli.bend as Cliimport Base
7750def eval_step(-A: Type, decode: @+m: Matches -> Dec(A), o: Outcome, h: Host,
7751 argv: List<&2, String>) -> Step<A>:
7752 match o:
7753 case Shown{code, out, err}: Quit{code, out, err}
7754 case Matched{Matches{+cmd, +path, fields, external}}:
7755 decoded(A, decode(Matches{cmd, path, fields, external}), cmd, path, h,
7756 argv)