def has_plain_option
import cli@0.2.0.0/cli.bend as Cliimport Base
5201def has_plain_option(items: List<&2, Item>) -> Bool:
5202 match items:
5203 case Nil{}: False{}
5204 case Arg{usage, help, +attrs} <> tail:
5205 Bool.or(Bool.and(Bool.not(arg_pos(usage)),
5206 Bool.and(Bool.not(has_hidden(attrs)), Bool.not(has_required(attrs)))),
5207 has_plain_option(tail))
5208 case head <> tail: has_plain_option(tail)