import confutils, options type OuterCmd = enum outerCmd1 outerCmd2 outerCmd3 InnerCmd = enum innerCmd1 = "Inner cmd 1" innerCmd2 OuterOpt = enum outerOpt1 = "Option1" outerOpt2 = "Option2" outerOpt3 = "Option3" InnerOpt = enum innerOpt1 innerOpt2 Conf = object commonOptional: Option[string] commonMandatory {. desc: "A mandatory option" abbr: "m" .}: int case opt: OuterOpt of outerOpt1: case innerOpt: InnerOpt of innerOpt1: io1Mandatory: string io1Optional: Option[int] else: discard of outerOpt2: ooMandatory: string ooOptiona {. defaultValue: "test" desc: "Outer option optional" .}: string of outerOpt3: discard case cmd {.command.}: OuterCmd of outerCmd1: case innerCmd: InnerCmd of innerCmd1: ic1Mandatory: string ic1Optional {. desc: "Delay in seconds" abbr: "s" .}: Option[int] of innerCmd2: innerArg {.argument.}: string of outerCmd2: oc2Mandatory: int of outerCmd3: x {.argument.}: string y {.argument.}: string z {.argument.}: string let conf = load Conf echo "commonOptional = ", conf.commonOptional echo "commonMandatory = ", conf.commonMandatory case conf.cmd of outerCmd2: echo "oc2Mandatory = ", conf.oc2Mandatory of outerCmd1: case conf.innerCmd: of innerCmd1: echo "ic1Mandatory = ", conf.ic1Mandatory echo "ic1Optional = ", conf.ic1Optional of innerCmd2: discard of outerCmd3: echo "outer cmd3 ", conf.x, " ", conf.y, " ", conf.z