FirstListArgs shows how to use several positionals, of which the first is a list, but not the last.

MultipleListsArgs shows how to declare multiple lists as positional arguments, and how provided arguments are dispatched onto their slots.

MultipleMinMaxArgs shows how to use multiple lists as positionals, with overlapping min/max requirements.

RestSliceMax is a command demonstrating how specifying a maximum requirement on a remainder slice positional slot will behave when the previous slots are NOT slices.

TagCompletedArgs shows how to specify completers with struct tags.

Host is another type used as a positional argument.

IP is another argument field, but which implements a slightly more complicated completion interface.

Proxy is another type used as a positional argument.